# Solved papers for BVP Medical BVP Medical Solved Paper-2015

### done BVP Medical Solved Paper-2015

• question_answer1) A uniform rod of copper is rotating about a axis passing through centre of mass and perpendicular to the length of the rod as shown in the diagram. Its temperature is increased by $\frac{2{{\eta }^{2}}}{g{{a}^{2}}}$. $\frac{{{\eta }^{2}}}{g{{a}^{2}}}$ is coefficient of linear expansion of copper. New angular speed of the copper is

A) $\frac{{{\eta }^{2}}}{2g{{a}^{2}}}$

B) $\frac{{{\eta }^{2}}}{4g{{a}^{2}}}$

C) ${{t}_{1}}$

D) ${{t}_{2}}$

• question_answer2) The Boolean expression for output in the following circuit is

A) $2g({{t}_{1}}+{{t}_{2}})$

B) $\frac{g}{4}{{({{t}_{1}}+{{t}_{2}})}^{2}}$

C) $g/4({{t}_{1}}{{t}_{2}})$

D) $2g{{\left( \frac{{{t}_{1}}+{{t}_{2}}}{4} \right)}^{2}}$

• question_answer3) Figure shows a rod of length L resting on a wall and the floor. Its lower end A is pulled towards left with a constant velocity 2v. Which of the following is the velocity of the other end B downward when the rod makes an angle (() with the horizontal?

A) $R/4$

B) $R/2$

C) $R/8$

D) $\left\{ \frac{{{(1+e)}^{2}}}{1+{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}$

• question_answer4) Two circular coils can be arranged in any of the three situations shown in the figure. Their mutual inductance will be

A) maximum in situation (ii)

B) maximum in situation (i)

C) maximum in situation (iii)

D) the same in all situations

• question_answer5) The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is

A) $\frac{1+{{e}^{2}}}{(1+{{e}^{2}})}\sqrt{\frac{gh}{2}}$

B) $\left\{ \frac{{{(1-e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}$

C) $\left\{ \frac{{{(1+e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}$

D) $4\Omega$

• question_answer6) A fish sees the smiling face of a scuba diver through a bubble of air between them, as shown compared to the face of the diver the image seen by the fish will be

A) smaller and inverted

B) smaller and erect

C) larger and erect

D) can be either above depending on the distance of the diver

• question_answer7) Consider the vessel shown in the adjacent diagram water being poured in the vessel at a constant rate $2A$ There is a small hole of area a at the bottom of the vessel. The maximum level of water in the vessel is given by

A) $4A$

B) $3A$

C) $1A$

D) $t=0$

• question_answer8) A telescope has an objective lens of focal length 150 cm and an eyepiece with focal length 1.5 cm. If this telescope is used to see a 50 m tall building at a distance of 1.5 km, what is the height of the image of the building formed by the objective lens?

A) 10 cm

B) 5cm

C) 20 cm

D) 15 cm

• question_answer9) A body projected vertically upwards crosses a point twice in its journey at a height A first after $v=4000m/s$ and $2A\,\,\sin \,4\pi (x-200t)$ seconds. Maximum height reached by the body is

A) $2A\,\,\cos \,5\pi (x-400t)$

B) $A\,\,sin\,5\pi (x-400t)$

C) $A\,\,\cos \,5\pi (x-400t)$

D) $12.25V$

• question_answer10) Six equal resistance each of R are joined to form a net word k K as shown in the figure. The resistance between any two corners is

A) $10.25V$

B) $11.25V$

C) $9.25V$

D) R

• question_answer11) A spherical ball falls freely from a height h on to a floor having coefficient of restitution. The average speed of the ball is

A) ${{I}_{0}}$

B) $4{{l}_{0}}$

C) $3{{l}_{0}}$

D) $\frac{{{l}_{0}}}{2}$

• question_answer12) In the adjoining circuit the current passing through $2{{l}_{0}}$ resistance is

A) ${{I}_{0}}$

B) $2{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)$

C) ${{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)$

D) $\frac{{{l}_{0}}}{2}{{\cos }^{2}}\left( \frac{2\pi y}{\beta } \right)$

• question_answer13) For the wave shown in figure, if its position shown is at$4{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)$. Then the equation of the wave is [when speed of wave, ${{C}_{1}}$]

A) ${{C}_{2}}$

B) $\frac{{{C}_{1}}}{{{C}_{2}}}$

C) $\frac{a}{b}$

D) $\frac{2a}{b}$

• question_answer14) A carrier wave of peak voltage 15V is used to transmit the message signal. The peak value of the modulating signal in order to have a modulation index of 75% is

A) ${{\left( \frac{a}{b} \right)}^{2}}$

B) ${{\left( \frac{a}{b} \right)}^{3}}$

C) $2\pi \sqrt{\frac{{{a}^{2}}}{3G\lambda }}$

D) $\pi \sqrt{\frac{{{a}^{2}}}{2G\lambda }}$

• question_answer15) A narrow tube is bent as shown in the adjacent diagram. The radius of the tube is P and Q are small holes. Source placed at P generates a wave of intensity $2\pi \sqrt{\frac{{{a}^{2}}}{2G\lambda }}$.The maximum intensity produced at Q is given by

A) $2\pi \sqrt{\frac{2{{a}^{2}}}{G\lambda }}$

B) $\frac{\sqrt{2}}{\pi }\times \frac{1}{\sqrt{15LC}}$

C) $\frac{1}{\sqrt{2}}\pi \times \frac{1}{\sqrt{15LC}}$

D) $\frac{2\sqrt{2}}{\pi }\times \frac{1}{\sqrt{15LC}}$

• question_answer16) In Youngs double slit experiment, let $\frac{\pi }{2}\times \frac{1}{\sqrt{15LC}}$ be the intensity of the central bright fringe and P be the fringe width. The intensity of a distance Y from the central bright fringe will be

A) $\mu$

B) $\frac{15\lambda }{(\mu -1)}$

C) $15(\mu -1)\lambda$

D) $25(\mu -1)\lambda$

• question_answer17) Capacity of a spherical capacitor is $\frac{25\lambda }{(\mu -1)}$, when inner sphere is charged and outer sphere is earthed and ${{v}_{P}}=0,\,\,{{v}_{Q}}=v$ when inner sphere is earthed and outer sphere is charged. Then ${{v}_{P}}=v,\,\,{{v}_{Q}}=0$ is (Assume a = radius of inner sphere and b = radius of outer sphere)

A) ${{v}_{P}}={{v}_{Q}}=0$

B) ${{v}_{P}}=0,{{v}_{Q}}=2v$

C) $\eta$

D) $\lambda$

• question_answer18) There is an infinitely long fixed rod of linear mass density X. A small mass m is revolving around the rod at distance a from the rod with uniform speed due the gravitational pull of the rod. The time period of revolution of m is

A) $\frac{2\eta }{\lambda }[1-{{e}^{-\lambda t}}]$

B) $\frac{\eta }{2\lambda }[1-{{e}^{-\lambda t}}]$

C) $\frac{\eta }{{{\lambda }^{2}}}[1-{{e}^{-{{\lambda }^{2}}t}}]$

D) $\frac{\eta }{\lambda }[1-{{e}^{-\lambda t}}]$

• question_answer19) Consider the circuit shown the frequency of oscillation is

A) ${{\gamma }_{1}}$

B) ${{\gamma }_{2}}$

C) $\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+\frac{\alpha }{3}$

D) _ $\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{2}+\alpha$

• question_answer20) In a baptism experiments, 5th dark fringe is obtained at a point. If a thin transparent film is placed in the path of one of waves, then 7th bright fringe is obtained at the same point. The thickness of the film in terms of wavelength A, and refractive index $\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+3\alpha$ will be

A) $\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+\alpha$

B) ${{E}_{I}}>{{E}_{II}}>{{E}_{III}}>{{E}_{IV}}>{{E}_{V}}$

C) ${{E}_{I}}>{{E}_{III}}={{E}_{V}}\,and\,\,\,{{E}_{II}}>{{E}_{IV}}$

D) ${{E}_{II}}={{E}_{IV}}={{E}_{V}}\,and\,\,\,{{E}_{I}}>{{E}_{III}}$

• question_answer21) In the following circuit, all the bulbs are identical. The bulb(s) glowing brightest(s) is/are

A) 2, 3 and 4

B) 5 and 6

C) 1

D) 1 and 2

• question_answer22) A wheel is rolling on a plane road. The linear velocity of its centre of mass is v. Then velocities of the point P and Q on the circumference of the wheel relative to road will be

A) ${{E}_{I}}={{E}_{II}}={{E}_{III}}\,and\,\,\,{{E}_{IV}}>{{E}_{V}}$

B) $\frac{Mgx}{4}$

C) $Mgx$

D) $\frac{Mgx}{2}$

• question_answer23) An unstable element is produced in a nuclear reaction of a constant rate $\frac{Mgx}{3}$. Its disintegration constant is $\eta$. Find the number of nuclei after time t, if initially it was zero.

A) $2mg\,[1+{{(\eta /L)}^{2}}]$

B) $mg\,[1+{{(\eta /L)}^{2}}]$

C) $\frac{mg}{2}\,[1+{{(\eta /L)}^{2}}]$

D) $4mg\,[1+{{(\eta /L)}^{2}}]$

• question_answer24) The coefficient of apparent expansion of a liquid when determined using two different vessels P and Q are $\frac{100}{3}cm$and $100cm$ respectively. If the coefficient of linear expansion of the vessel P is a, the coefficient of linear expansion of the vessel Q is

A) $\frac{200}{3}cm$

B) $\frac{50}{3}cm$

C) $T=2{{T}_{0}}+\eta {{V}^{2}}$

D) $\eta$

• question_answer25) Variation of electric potential V as a function of distance x through five regions on X-axis. Which of the following is true regarding electric field E in these regions

A) $\sqrt{2}R\sqrt{\eta {{T}_{0}}}$

B) $2R\sqrt{\eta {{T}_{0}}}$

C) $2\sqrt{2}R\sqrt{\eta {{T}_{0}}}$

D) $R\sqrt{\eta {{T}_{0}}}$

• question_answer26) A metal wire of length L, area of cross-section A and Youngs modulus Y is stretched by a variable force F such that F is always slightly greater than the elastic forces of resistance in the wire. When the elongation of the wire is x.

A) $8H$

B) $14H$

C) $7H$

D) $21H$

• question_answer27) A simple pendulum of length L and mass m of the bob is vibrating with an amplitude $\text{n}=4$. Then the maximum tension in the string is

A) $\text{n}=1$

B) $2.5\text{ }m/s$

C) $2.07\text{ }m/s$

D) $4.08\text{ }m/s$

• question_answer28) The power of a lens, a short sighted uses is -3D. Find the maximum distance of an object which he/she can see without spectacles.

A) $5.08\text{ }m/s$

B) ${{\mu }_{s}}=0.4$

C) $g=10m/{{s}^{2}}$

D) $0.5m/{{s}^{2}}$

• question_answer29) During expansion of one mole of an ideal gas temperature and volume are associated as $1m/{{s}^{2}}$, where To and $0.25m/{{s}^{2}}$ are positive constants. Find the minimum attainable pressure of the gas.

A) $0.75m/{{s}^{2}}$

B) $\Delta T$

C) $\alpha$

D) $2\omega [1-2\alpha \Delta T]$

• question_answer30) A large bubble rises from the bottom of a lake to the surface, its radius doubles. One atmospheric pressure is equal to that of a column of water of height 2H. The depth of the lake is

A) $\omega [1-\alpha \Delta T]$

B) $\omega [1+2\alpha \Delta T]$

C) $\omega [1+2\alpha \Delta T]$

D) $P+Q+R+S$

• question_answer31) The recoil speed of a hydrogen atom after it emits a photon in going from $\overline{P}\overline{Q}\overline{R}\overline{S}$to $(P+Q)(R+S)$ state is

A) $\overline{PQRS}$

B) $2v\,\tan \phi$

C) $v\,\tan \phi$

D) $v\,\cot \phi$

• question_answer32) Consider two blocks P and Q. A force F is applied on the block P and the block Q is at rest. The coefficient of static friction between P and Q is $2v\,\cot \phi$. Find acceleration of each block if $20%$ weight of P and Q are 100 N and 300N, respectively. F = 20N.

A) $33%$

B) $43%$

C) $50%$

D) $\eta \,{{m}^{3}}{{s}^{-1}}$

• question_answer33) The linear charge density of four quadrants or aring of radius a is as shown. Electric field at centre will be

A) $\frac{2{{\eta }^{2}}}{g{{a}^{2}}}$

B) zero

C) $\frac{{{\eta }^{2}}}{g{{a}^{2}}}$

D) $\frac{{{\eta }^{2}}}{2g{{a}^{2}}}$

• question_answer34) A man is moving down an incline plane with speed u. He meets rain with the same speed but horizontally. The speed of rain is

A) $\frac{{{\eta }^{2}}}{4g{{a}^{2}}}$

B) ${{t}_{1}}$

C) ${{t}_{2}}$

D) $2g({{t}_{1}}+{{t}_{2}})$

• question_answer35) Consider the given circuit, the reading of voltmeter $\frac{g}{4}{{({{t}_{1}}+{{t}_{2}})}^{2}}$ and $g/4({{t}_{1}}{{t}_{2}})$ are 500V each. The reading of the voltmeter V. and ammeter a respectively are

A) $2g{{\left( \frac{{{t}_{1}}+{{t}_{2}}}{4} \right)}^{2}}$

B) $R/4$

C) $R/2$

D) $R/8$

• question_answer36) The spectra of radiation emitted by two distant stars are as shown below. The ratio of the surface temperature of star A to that of star B, $\left\{ \frac{{{(1+e)}^{2}}}{1+{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}$ is approximately

A) $\frac{1+{{e}^{2}}}{(1+{{e}^{2}})}\sqrt{\frac{gh}{2}}$

B) $\left\{ \frac{{{(1-e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}$

C) $\left\{ \frac{{{(1+e)}^{2}}}{1-{{e}^{2}}} \right\}\sqrt{\frac{gh}{2}}$

D) $4\Omega$

• question_answer37) In a transistor amplifier $2A$ $4A$ and input resistance of the transistor is $3A$ What is the power amplification?

A) $1A$

B) $t=0$

C) $v=4000m/s$

D) $2A\,\,\sin \,4\pi (x-200t)$

• question_answer38) For the toppling of the shown figure regular hexagon. The coefficient of friction must be

A) $2A\,\,\cos \,5\pi (x-400t)$

B) $A\,\,sin\,5\pi (x-400t)$

C) $A\,\,\cos \,5\pi (x-400t)$

D) $12.25V$

• question_answer39) An iron rod of $10.25V$ cross-sectional area is subjected to a magnetising field of$11.25V$. If the susceptibility of iron is 499, the magnetic flux produced is

A) $9.25V$

B) ${{I}_{0}}$

C) $4{{l}_{0}}$

D) $3{{l}_{0}}$

• question_answer40) Consider two block system $\frac{{{l}_{0}}}{2}$ and $2{{l}_{0}}$. If ${{I}_{0}}$ is removed suddenly, find the angular frequency and amplitude of $2{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)$.

A) ${{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)$and $\frac{{{l}_{0}}}{2}{{\cos }^{2}}\left( \frac{2\pi y}{\beta } \right)$

B) $4{{l}_{0}}{{\cos }^{2}}\left( \frac{\pi y}{\beta } \right)$ and ${{C}_{1}}$

C) ${{C}_{2}}$ and $\frac{{{C}_{1}}}{{{C}_{2}}}$

D) $\frac{a}{b}$ and $\frac{2a}{b}$

• question_answer41) A proton is moving in a region of uniform magnetic field has a velocity ${{\left( \frac{a}{b} \right)}^{2}}$and an acceleration ${{\left( \frac{a}{b} \right)}^{3}}$. Then,

A) $2\pi \sqrt{\frac{{{a}^{2}}}{3G\lambda }}$

B) $\pi \sqrt{\frac{{{a}^{2}}}{2G\lambda }}$

C) $2\pi \sqrt{\frac{{{a}^{2}}}{2G\lambda }}$

D) $2\pi \sqrt{\frac{2{{a}^{2}}}{G\lambda }}$

• question_answer42) Two vectors P and Q are related as $\frac{\sqrt{2}}{\pi }\times \frac{1}{\sqrt{15LC}}$, then the value of $\frac{1}{\sqrt{2}}\pi \times \frac{1}{\sqrt{15LC}}$ is

A) $\frac{2\sqrt{2}}{\pi }\times \frac{1}{\sqrt{15LC}}$

B) $\frac{\pi }{2}\times \frac{1}{\sqrt{15LC}}$

C) $\mu$

D) $\frac{15\lambda }{(\mu -1)}$

• question_answer43) 2N division on main scale of a vernier calliper coincide with $15(\mu -1)\lambda$ division of the vernier scale if each division on main scale is of b units, least count of instrument is

A) $25(\mu -1)\lambda$

B) $\frac{25\lambda }{(\mu -1)}$

C) ${{v}_{P}}=0,\,\,{{v}_{Q}}=v$

D) ${{v}_{P}}=v,\,\,{{v}_{Q}}=0$

• question_answer44) Consider the reaction ${{v}_{P}}={{v}_{Q}}=0$. If ${{v}_{P}}=0,{{v}_{Q}}=2v$and $\eta$. The energy Q released (in MeV) in this fusion reaction is

A) $\lambda$

B) $\frac{2\eta }{\lambda }[1-{{e}^{-\lambda t}}]$

C) $\frac{\eta }{2\lambda }[1-{{e}^{-\lambda t}}]$

D) $\frac{\eta }{{{\lambda }^{2}}}[1-{{e}^{-{{\lambda }^{2}}t}}]$

• question_answer45) An experiment conducted to determine Young s modulus , $\frac{\eta }{\lambda }[1-{{e}^{-\lambda t}}]$ , where Y = Youngs modulus, T = time, t = torque and 7 = length. Then, the value of ${{\gamma }_{1}}$is

A) 1

B) 0

C) 2

D) 3

• question_answer46) A block of mass M is pulled by a constant power P is placed on a rough horizontal plane. The frictional coefficient between block and surface is ${{\gamma }_{2}}$ Find the maximum velocity of the block.

A) $\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+\frac{\alpha }{3}$

B) $\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{2}+\alpha$

C) $\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+3\alpha$

D) $\frac{{{\gamma }_{1}}-{{\gamma }_{2}}}{3}+\alpha$

• question_answer47) Radius of a circular current carrying coil is a. At a distance no. from centre of the coil on its axis, intensity of magnetic field is found to be ${{E}_{I}}>{{E}_{II}}>{{E}_{III}}>{{E}_{IV}}>{{E}_{V}}$ times that at the centre, then

A) ${{E}_{I}}>{{E}_{III}}={{E}_{V}}\,and\,\,\,{{E}_{II}}>{{E}_{IV}}$

B) ${{E}_{II}}={{E}_{IV}}={{E}_{V}}\,and\,\,\,{{E}_{I}}>{{E}_{III}}$

C) ${{E}_{I}}={{E}_{II}}={{E}_{III}}\,and\,\,\,{{E}_{IV}}>{{E}_{V}}$

D) $\frac{Mgx}{4}$

• question_answer48) In the figure, a small block P is released from rest when the spring is at its natural length. For the disc Q, of mass $Mgx$ to leave contact with the ground at same stage, the minimum mass of P must be

A) $\frac{Mgx}{2}$

B) $\frac{Mgx}{3}$

C) $\eta$

D) function of $2mg\,[1+{{(\eta /L)}^{2}}]$and spring constant

• question_answer49) If frequency of $mg\,[1+{{(\eta /L)}^{2}}]$ X-ray emitted from element with $\frac{mg}{2}\,[1+{{(\eta /L)}^{2}}]$ is $4mg\,[1+{{(\eta /L)}^{2}}]$, then frequency of , $\frac{100}{3}cm$ X-rays emitted from element with $100cm$ would be

A) $\frac{200}{3}cm$

B) $\frac{50}{3}cm$

C) $T=2{{T}_{0}}+\eta {{V}^{2}}$

D) $\eta$

• question_answer50) A cork floating is a calm pond executes simple harmonic motion of frequency v when a wave generated by a boat passes by it. The frequency of the wave is

A) $\sqrt{2}R\sqrt{\eta {{T}_{0}}}$

B) $2R\sqrt{\eta {{T}_{0}}}$

C) $2\sqrt{2}R\sqrt{\eta {{T}_{0}}}$

D) v

• question_answer51) Consider the following statements. If the van der Walls parameters of two gases are given as

 $2A+2B2C+2D;\,\,\,\,{{E}^{o}}=y\,volt,\,\,\,\,{{K}_{eq}}={{K}_{2}}$ $x=y,{{K}_{2}}=K_{1}^{2}$ Gas X $x=2y,{{K}_{1}}=2{{K}_{2}}$ $x=y.{{K}_{1}}=\frac{1}{{{K}_{2}}}$ Gas Y $x=y,{{K}_{1}}=K_{2}^{2}$ $XC{{l}_{n}}$
 I. Critical volume of X > critical volume of Y II. Critical pressure of X > critical pressure of V III. Critical temperature of X > critical temperature of Y.
Which of the above statements is/are true?

A) Only I

B) I and II

C) I, II and III

D) II and III

• question_answer52) Choose the correct option of heat of hydrogenation for the following alkenes:

A) $XC{{l}_{n-2}}$

B) $A>B>C$

C) $B>A>C$

D) $A>C>B$

• question_answer53) Permanent hardness is due to $C>B>A$ and $F{{e}_{0.93}}{{O}_{1.00}}$ of $2C{{u}_{2}}O+C{{u}_{2}}S\xrightarrow{{}}6Cu+S{{O}_{2}}$ and $2C{{u}_{2}}S+3{{O}_{2}}\xrightarrow{{}}2C{{u}_{2}}O+S{{O}_{2}}$ and is removed by the addition of $2CuFe{{S}_{2}}+{{O}_{2}}\xrightarrow{{}}C{{u}_{2}}S+FeS+S{{O}_{2}}$ $2FeS+3{{O}_{2}}\xrightarrow{{}}2FeO+2S{{O}_{2}}$ $q=\Delta U$ If hardness is 100 ppm $O\to D$, amount of$O\to C$ required to soften 10 L of hard water, is

A) $O\to B$

B) $O\to A$

C) $A{{g}_{2}}O+{{H}_{2}}O+2{{e}^{-}}\xrightarrow{{}}2Ag+2O{{H}^{-}}$

D) $Fe(III)$

• question_answer54) Elements A, B and C have atomic numbers 19, 37 and 55 respectively. Which of the following statement is correct about them?

A) Their ionisation potential would increase with increasing atomic number

B) B would have an ionisation potential between those of A and C

C) C would have the highest ionisation potential

D) B would have the highest ionisation potential

• question_answer55) If wavelength of 1st line of Balmer series, is $Fe(II)$, then wavelength of 2nd line of Balmer series is

A) $Mn(II)$

B) $Cr(II)$

C) $\sigma$

D) ${{C}_{2}}{{H}_{5}}OH+HX\xrightarrow{Zn{{X}_{2}}}{{C}_{2}}{{H}_{5}}X,$

• question_answer56) Find out the change in entropy when two gram atoms of aluminium is heated from $HCl>HBr>Hl$ to $HBr>Hl>HCl$. The atomic heat capacity of aluminium is given by ($Hl>HBr>HCl~$ T cal/deg)

A) $Hl>HCl>HBr$

B) $C{{H}_{3}}Mgl+C{{H}_{3}}CHOHC{{H}_{3}}$

C) $C{{H}_{3}}Mgl+C{{H}_{3}}COC{{H}_{3}}$

D) $C{{H}_{3}}C{{H}_{2}}MgBr+C{{H}_{3}}CHO$

• question_answer57) A molecule $C{{H}_{3}}C{{H}_{2}}MgBr+C{{H}_{3}}COC{{H}_{3}}$ contains two a, two TC-bonds and one lone pair of electron in the valence shell of A. The arrangement of lone pair as well as bond pairs, is

A) square pyramidal

B) trigonal planar

C) linear

D) tetrahedral

• question_answer58) The IUPAC name of the following polyfunctional compound is

A) 2, 4-dioxocycloheptanoic acid

B) 2,4-dioxocyclohexanoic acid

C) 2,4-dioxocyclohexane -1- carboxylic acid

D) 4 - formal - 2-oxocyclohexane-1-carboxytic acid

• question_answer59) Which of the following buffer solution turns invalid on addition of 10 mL of ${{25}^{o}}C$?

A) $C{{H}_{3}}COOH$ having $N{{H}_{4}}OH$ $({{10}^{-5}})$ and $({{10}^{-5}})$ each

B) $N{{H}_{4}}OH$ having $4.0$ and $3.0$ $11.0$each

C) $10.0$ having $\overset{O}{\mathop{\overset{||}{\mathop{C{{H}_{3}}-C-C{{H}_{2}}-C{{H}_{2}}-COOH}}\,}}\,$$\xrightarrow[(ii)\,\,{{H}_{2}}O+{{H}^{+}}]{(i)\,\,NaB{{H}_{4}}}$ and $\beta$ each

D) $\alpha$ having$\alpha$ $\beta$and $\beta$each

• question_answer60) Consider the reaction $\beta$ with reference to the given reaction, which one of the following is the true statement?

A) ${{\Delta }_{O}}$ is oxidised to ${{[Fe{{({{H}_{2}}O)}_{6}}]}^{2+}}$

B) $[Fe{{(CN)}_{2}}{{({{H}_{2}}O)}_{4}}]$ is oxidised to ${{[Fe{{(CN)}_{4}}({{H}_{2}}{{O}_{2}})]}^{2-}}$

C) ${{\Delta }_{O}}(II)<{{\Delta }_{O}}(III)<{{\Delta }_{O}}(I)$ is oxidised to ${{\Delta }_{O}}(III)<{{\Delta }_{O}}(II)<{{\Delta }_{O}}(I)$

D) Zn is reduced to ${{\Delta }_{O}}(II)<{{\Delta }_{O}}(I)<{{\Delta }_{O}}(III)$

• question_answer61) Various phenol derivatives, tincture of iodine (${{\Delta }_{O}}(I)<{{\Delta }_{O}}(II)<{{\Delta }_{O}}(III)$ in water/alcohol) and some dyes like methylene blue are

A) antipyretics

B) analgesics

C) antiseptics

D) disinfectants

• question_answer62) When hard water is passed through permutit, which ions are exchanged with $III<I<IV<II$and $I<IV<II<III$?

A) $\text{I}<III<II<IV$

B) $I>III>IV>II$

C) $FeC{{r}_{2}}{{O}_{4}}\xrightarrow{I}N{{a}_{2}}Cr{{O}_{4}}\xrightarrow{II}C{{r}_{2}}{{O}_{3}}\xrightarrow{III}Cr$

D) All of these

• question_answer63) If the distance between $NaOH/air$ and $Al,$ ions in sodium chloride is y pm, the length of the edge of the unit cell is

A) 2ypm

B) y/2pm

C) y/4 pm

D) 4ypm

• question_answer64) $NaOH/air,\Delta$ gas along with solid [B] is obtained when sodium salt is heated. A is again obtained when $N{{a}_{2}}C{{O}_{3}}/air,\Delta$ gas is passed into aqueous solution of B. A and B respectively are

A) $N{{H}_{4}}Cl,\Delta$

B) $Al$

C) $N{{a}_{2}}C{{O}_{3}}/air,\Delta$

D) ${{V}_{C}}=3b\ \,equal$

• question_answer65) Identify C in the series$=3\times 0.056=0.168d{{m}^{3}}mo{{l}^{-1}}$${{p}_{C}}=\frac{a}{27{{b}^{2}}}$

A) $a/d{{m}^{6}}\,bar\,mo{{l}^{-2}}$

B) $b/d{{m}^{6}}\,mo{{l}^{-2}}$

C) $6.5$

D) $0.056$

• question_answer66) A reacts with aqueous $18.0$ solution to form B and Hz- Aqueous solution of B is heated upto 323-333K and on passing $0.011$ into it, $IV<V<I<III<II$ and C were formed. When C is heated upto$V<IV<III<I<II$. $II>IV<III<V<I$ is formed. A, B and C respectively are

A) $III<IV<I<V<II$

B) $SO_{4}^{2-}$

C) $C{{l}^{-}}$

D) $C{{a}^{2+}}$

• question_answer67) Forcarbamon, $M{{g}^{2+}}$ Stability order will be

A) $N{{a}_{2}}C{{O}_{3}}$

B) $CaS{{O}_{4}}+N{{a}_{2}}C{{O}_{3}}\xrightarrow{{}}CaC{{O}_{3}}+N{{a}_{2}}S{{O}_{4}}$

C) $CaC{{l}_{2}}+N{{a}_{2}}C{{O}_{3}}\xrightarrow{{}}CaC{{O}_{3}}+2NaCl$

D) $CaC{{O}_{3}}$

• question_answer68) Hydrofluoric acid cannot be stored in glass vessels due to it reacts with glass to form

A) $N{{a}_{2}}C{{O}_{3}}$ and $4.81\text{ }g$

B) $3.24\text{ }g$

C) $1.06\text{ }g$

D) $2.03\text{ }g$

• question_answer69) Hydrogenation of the above compound in the presence of poisoned palladium catalyst gives

A) an optically inactive compound

B) an optically active compound

C) a racemic mixture

D) a diastereomeric mixture

• question_answer70) The density of nitrogen gas prepared from air is slightly greater than that of nitrogen prepared by a chemical reaction from a compound of nitrogen because of-the presence of which of the following in aerial nitrogen?

A) $6500\overset{\text{o}}{\mathop{\text{A}}}\,$

B) Argon

C) Greater amount of nitrogen molecules derived from $4814.8\overset{\text{o}}{\mathop{\text{A}}}\,$ isotope

D) Some nitrogen molecules analogous to $5884.3\overset{\text{o}}{\mathop{\text{A}}}\,$

• question_answer71) When rain is accompanied by a thunderstorm, the collected rain wafer will have a pH value

A) slightly lower than that of rain water without thunderstorm

B) slightly higher than that when the thunderstorm is not these

C) uninfluenced by occurrance of thunderstorm

D) which depends on the amount of dust in air

• question_answer72) 0.005 cm thick coating of silver is deposited on a plate of $4728.6\overset{\text{o}}{\mathop{\text{A}}}\,$area. The number of silver atoms deposited on the plate are (atomic mass of $6172.8\overset{\text{o}}{\mathop{\text{A}}}\,$and its density${{25}^{o}}C$)

A) ${{600}^{o}}C$

B) ${{C}_{p}}=5.006+0.0026T$

C) $138\text{ }cal/deg$

D) $13.75\text{ }cal/deg$

• question_answer73) The Ionic radii of group-12 metals Zn, Cd and Hg are smaller than those of group-2 metals because of Zn, Cd and Hg have

A) 10 d-electrons which have a large exchange energy

B) 10 d-electrons which have a large radius ratio

C) 10 d-electrons which shield the nuclear charge strongly

D) 10 d-electrons which shield the nuclear charge poorly

• question_answer74) The order of increasing freezing point of $18.28eu$ and $23.41\text{ }eu$ is

A) $A{{B}_{2}}$

B) $1.0M\text{ }HCl$

C) $100mL$

D) $0.05M$

• question_answer75) What is the correct relationship between the pH of isomolar solution of sodium oxide $N{{H}_{3}}$, sodium sulphide $N{{H}_{4}}Cl$, sodium selenide $100mL$ and sodium telluride $0.2M$?

A) $0.1M$

B) $N{{H}_{4}}Cl$

C) $100mL$

D) $0.2M$

• question_answer76) Which among the following is the correct mathematical representation of Daltons law of partial pressure?

A) $N{{H}_{3}}$

B) $N{{H}_{4}}Cl$

C) $100mL$

D) All of the above

• question_answer77) The standard electrode potential $0.15M$ for $N{{H}_{3}}$ and $N{{H}_{4}}Cl$ respectively are 0.94 V and -$Zn+C{{u}^{2+}}\xrightarrow{{}}Z{{n}^{2+}}+Cu$. The $C{{u}^{2+}}$ value for $Cu$ will be

A) $Z{{n}^{2+}}$

B) $Zn$

C) $Zn$

D) $Z{{n}^{2+}}$

• question_answer78) Which of the following are is electronic species?

 I. $Z{{n}^{2+}}$ II. $2-3%{{I}_{2}}$ III. $C{{a}^{2+}}$ IV. $M{{g}^{2+}}$

A) I, III and IV

B) I, II and IV

C) II, Ill and IV

D) I and II

• question_answer79) Consider the following equation for a cell reaction, $A{{l}^{3+}}$ ${{H}^{+}}$ then

A) $N{{a}^{+}}$

B) $N{{a}^{+}}$

C) $C{{l}^{-}}$

D) $C{{O}_{2}}$

• question_answer80) A solid element (symbol X) conducts electricity and forms two chlorides $C{{O}_{2}}$ [a colourless volatile liquid) and $N{{a}_{2}}C{{O}_{3}},NaOH$ (a colourless solid). To which one of the following groups of the periodic table does X belong?

A) 16

B) 15

C) 14

D) 13

• question_answer81) If a homogeneous catalytic reaction can take place through three alternative paths as depicted below, the catalytic efficiency of A, B, C representing the relative ease would be

A) $N{{a}_{2}}C{{O}_{3}},N{{a}_{2}}O$

B) $N{{a}_{2}}C{{O}_{3}},NaHC{{O}_{3}}$

C) $NaHC{{O}_{3}},N{{a}_{2}}C{{O}_{3}}$

D) ${{C}_{3}}{{H}_{7}}OH\xrightarrow{Conc.\,{{H}_{2}}S{{O}_{4}}}A\xrightarrow{B{{r}_{2}}}$

• question_answer82) In which of the properties listed below, hydrogen does not show similarity with halogens?

 I. Nature of the oxide II. Electropositive character III. Combination with alkali metals IV. Atomicity

A) I and III

B) I and II

C) III and IV

D) Only II

• question_answer83) Which of the following graphs represents the variation of amount of chemisorption of a gas by a solid with temperature under constant pressure condition?

A)

B)

C)

D)

• question_answer84) The composition of a sample of wustite is $B\xrightarrow{\begin{smallmatrix} Excess\,of \\ alc.\,KOH \end{smallmatrix}}C$ What percentage of iron is present in the form of Fe(III)?

A) 75%

B) 45%,

C) 15%

D) 35%

• question_answer85) In the extraction of copper, the reaction which does not take place in Bessemer converter, is

A) $C{{H}_{3}}-C\equiv CH$

B) $\underset{OH}{\mathop{\underset{|}{\mathop{C{{H}_{3}}-C=C{{H}_{2}}}}\,}}\,$

C) $\underset{OH}{\mathop{\underset{|}{\mathop{C{{H}_{3}}-CH=\underset{OH}{\mathop{\underset{|}{\mathop{C{{H}_{2}}}}\,}}\,}}\,}}\,$

D) $\underset{N{{H}_{2}}N{{H}_{2}}}{\mathop{\underset{||}{\mathop{C{{H}_{3}}-CH-C{{H}_{2}}}}\,}}\,$

• question_answer86) For which of the following process, $NaOH$?

A) $C{{O}_{2}}$

B) $N{{a}_{2}}C{{O}_{3}}$

C) ${{1200}^{o}}C$

D) $A{{l}_{2}}{{O}_{3}}$

• question_answer87) In the chemical reaction,$Al,NaAl{{O}_{2}},Al{{(OH)}_{3}}$

A) electrons are reduced

B) water is oxidized

C) silver is reduced

D) silver is oxidized

• question_answer88) A complex of a certain metal ion has a magnetic moment of 4.90 BM, another complex of the same metal in the same oxidation state has a zero magnetic moment. The central metal ion could be

A) $Al,Al{{(OH)}_{3}},AlC{{l}_{3}}$

B) $Al,AlC{{l}_{3}},NaAl{{O}_{2}}$

C) $Zn,N{{a}_{2}}Zn{{O}_{2}},Al{{(OH)}_{2}}$

D) $\begin{matrix} {{R}_{3}}\overline{C} \\ P \\ \end{matrix}\,\,\,\,\,\,\,\,\,\begin{matrix} {{R}_{2}}\overline{C}H \\ Q \\ \end{matrix}\,\,\,\,\,\,\,\,\,\begin{matrix} \overline{C}{{H}_{3}} \\ R \\ \end{matrix}\,\,\,\,\,\,\,\,\,\,\begin{matrix} R-\overline{C}{{H}_{2}} \\ S \\ \end{matrix}$

• question_answer89) The electrophile, E+ attacks the benzene ring to generate the intermediate a-complex. Of the following, which $P>Q>S>R$-complex is of lowest energy?

A)

B)

C)

D)

• question_answer90) For the reaction$R>S>Q>P$ the order of reactivity is

A) $Q>R>P>S$

B) $R>Q>S>P$

C) $N{{a}_{2}}Si{{O}_{3}}$

D) ${{F}_{2}}$

• question_answer91) Which of the following are the starting materials for the Grignards synthesis of tert butyl alcohol?

A) $Si{{F}_{2}}$

B) $N{{a}_{2}}Si{{F}_{6}}$

C) $N{{a}_{4}}[Si{{F}_{6}}]$

D) $C{{O}_{2}}$

• question_answer92) At ${{N}^{15}}$, the dissociation constants of ${{O}_{2}}$ and $0.5{{m}^{2}}$ in aqueous solution are almost same $Ag=108$. If pH of some acetic $=7.9\text{ }ge{{m}^{-3}}$ acid solution is 3. The pH of solution of $1.1\times {{10}^{15}}$ of same concentration at the same temperature would be

A) $1.1\times {{10}^{24}}$

B) $1.1\times {{10}^{23}}$

C) $1.1\times {{10}^{32}}$

D) ${{C}_{2}}{{H}_{5}}OH,B{{a}_{3}}(P{{O}_{4}}),N{{a}_{2}}S{{O}_{4}},LiP{{O}_{4}}$

• question_answer93) End product of this conversion,$KCl$ $B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<L{{i}_{3}}P{{O}_{4}}<N{{a}_{2}}S{{O}_{4}}<KCl<{{C}_{2}}{{H}_{5}}OH$is

A)

B)

C)

D)

• question_answer94) Aniline when diazotised in cold and then treated with dimethyl aniline gives a coloured product. Its structure would be

A)

B)

C)

D)

• question_answer95) Which of the following statements is true?

A) A polymer of (${{C}_{2}}{{H}_{5}}OH<KCl<N{{a}_{2}}S{{O}_{4}}<B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<L{{i}_{3}}P{{O}_{4}}$ -glucose is readily digested by human being and not that of $B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<{{C}_{2}}{{H}_{5}}OH<L{{i}_{3}}P{{O}_{4}}<{{C}_{2}}{{H}_{5}}OH<KCl$ -glucose

B) A polymer of $B{{a}_{3}}{{(P{{O}_{4}})}_{2}}<N{{a}_{2}}S{{O}_{4}}<L{{i}_{3}}P{{O}_{4}}<{{C}_{2}}{{H}_{5}}OH<KCl$ -glucose is readily digested by human beings and not that of $(p{{H}_{1}})$ -glucose

C) Polymers of both a and ($(p{{H}_{2}})$ -glucose are not readily digested by human beings

D) Polymers of both a and $(p{{H}_{3}})$ -glucose are readily digested by human beings

• question_answer96) Predict the order of $(p{{H}_{4}})$ for the following compounds.

 I. $p{{H}_{1}}>p{{H}_{2}}>>p{{H}_{3}}>p{{H}_{4}}$ II. $p{{H}_{1}}>p{{H}_{2}}>p{{H}_{3}}>p{{H}_{4}}$ III. $p{{H}_{1}}>p{{H}_{4}}$

A) $p{{H}_{1}}<p{{H}_{2}}<p{{H}_{3}}<p{{H}_{4}}$

B) ${{P}_{T}}={{x}_{1}}p_{1}^{0}+{{x}_{2}}p_{2}^{0}$

C) ${{P}_{T}}=(1-{{x}_{2}})p_{1}^{0}+{{x}_{2}}p_{2}^{0}$

D) ${{P}_{T}}=p_{1}^{0}+(p_{2}^{0}-p_{1}^{0}){{x}_{2}}$

• question_answer97) Arrange the following compounds in the order of increasing acidity

 \begin{align} & Benzyl\text{ }alcohol \\ & I \\ \end{align} \begin{align} & Benzoic\text{ }acid \\ & II \\ \end{align} \begin{align} & o\text{ }-\text{ }cresol \\ & III \\ \end{align} \begin{align} & Formic\text{ }acid \\ & IV \\ \end{align}

A) $({{E}^{o}})$

B) $OC{{l}^{-}}/C{{l}^{-}}$

C) $C{{l}^{-}}/\frac{1}{2}C{{l}_{2}}$

D) $1.36\text{ }V$

• question_answer98) (end product) Identify the end product P.

A)

B)

C)

D)

• question_answer99) ${{E}^{o}}$I, II and III are

A)

 I II III $C{{l}^{-}}/\frac{1}{2}C{{l}_{2}}$ heat $-0.42V$ heat C, heat

B)

 I II III $-0.36V$, C, heat C, heat

C)

 I II III $0.58V$ $1.17V$ $CH_{3}^{+}$

D)

 I II III $NH_{2}^{-}$ C, heat C, heat

• question_answer100) Bakelite is made from phenol and formaldehyde. The initial reaction between the two compounds is an example of

A) free radical reaction

B) aldol reaction

C) aromatic electrophilic substitution

D) aromatic nucleophilic substitution

• question_answer101) Which of the following will be true if a cell is small in size?

 I. Nucleus will be small. II. Nucleus will be very large. III. It will be metabolically more active. IV. It will be metabolically less active.

A) I and III

B) Only III

C) I and IV

D) II and III

• question_answer102) Which one is correctly matched?

A)

 Animal Characteristic Taxon Millipede Verbal nerve cord Verbal nerve cord Arachnids

B)

 Animal Characteristic Taxon Silver fish Pectoral and pelvic fins Chordata

C)

 Animal Characteristic Taxon Duck-billed Platypus Oviparous Mammalia

D)

 Animal Characteristic Taxon Sea anemone Triploblastic Cnidaria

• question_answer103) Read the following statement and select the correct option.

 I. Circulatory system in arthropods is of closed type. II. Parapodia in annelids help in swimming. III. Phylum-Mollusca is the second largest animal phylum. IV. Aschelminthes are dioecious.

A) Only I

B) Only III

C) Only IV

D) III and IV

• question_answer104) Select the animal which has the following features is their body.

 I. Marine habitat. II. Bilateral symmetry and cephalisation. III. Haemocoel as principal body cavity. IV. Eyes similar to that of vertebrates.

A) silver fish

B) dog fish

C) cattle fish

D) jelly fish

• question_answer105) Which of the following is properly matched?

A) Platy helminthes - Trematoda - Planaria

B) Echinodermata - Asteroidea - Star fish

C) Arthropoda - Insecta - Spider

D) Mollusca - Cephalopoda - Unio

• question_answer106) Match the following column I with column II.

 Column I Column II A. Cyclostone 1. Hemichordata B. Aves 2. Urochordata C. Tunicates 3. Agnatha D. Balanoglossus 4. Pisce E. Osteichthyes 5. Tetrapoda
Codes

A) A-1 B-2 C-3 D-4 E-5

B) A-2 B-3 C-4 D-1 E-5

C) A-3 B-5 C-2 D-1 E-4

D) A-3 B-1 C-5 D-2 E-4

• question_answer107) Which of the following statement (s) is/are true in regard to human digestion?

 I. Liver, the largest gland of human body secretes, anticoagulant heparin. II. Pancreas, the endocrine gland secretes pancreatic juice which in slightly acidic in nature. III. Both carbohydrates and lipids are majorly absorbed into blood capillaries in small in intestine. IV. Trypsinogen is converted to trypsin with the help of enterokinase, present in intestinal, juice.

A) Only I

B) I, II and III

C) III and IV

D) All of these

• question_answer108) Match the following column I with colunm II.

 Column I Column II A. Earthworm 1. Gizzard B. Cockroach 2. Caecum C. Frog 3. Clitellum D. Rat 4. Cloaca
Codes

A) A-1 B-2 C-4 D-3

B) A-3 B-1 C-4 D-2

C) A-2 B-1 C-3 D-4

D) A-3 B-1 C-2 D-4

• question_answer109) Which one of the following phyla is correctly matched with its two general characteristics?

A) Echinodermata - Pentamerous radial symmetry and mostly internal fertilization

B) Mollusca- Normally oviparous and development through a trochophore or veliger larva

C) Arthropoda - Body is divided into head, thorax and abdomen and respiration by tracheae

D) Chordata - Notochord at some stage and separate anal and urinary opening to the outside

• question_answer110) Respiratory, blood vascular and skeletal systems are absent in the members of phylum.

A) Annelida

B) Porifera

C) Platyhelminthes

D) Echinodermata

• question_answer111) Foramen trans versarium, also called vertebro-arterial canal is present in all

A) cervical vertebrae

B) sacral vertebrae

C) lumber vertebrae

D) caudal vertebrae

• question_answer112) Glissons capsule, the thin sheet of connective tissue cover the

A) liver

B) kidney

C) stomach

D) pancreas

• question_answer113) SCID or Severe Combined Immuno Deficiency Syndrome can be used permanently by

 I. Enzyme replacement therapy. II. By SIRNA approach. III. Introducing bone marrow cells producing ADA into cells at early embryonic stages. IV. By inserting the functional gene using retroviruses. V. Periodic infusion of genetically engineered lymphocytes having functional ADA, c DNA.

A) II, III and IV

B) III and IV

C) III and V

D) All of these

• question_answer114) The grey crescent is the area

A) at the point of entry of sperm into ovum

B) just opposite to the site of entry of sperm into ovum

C) at the animal pole

D) at the vegetal pole

• question_answer115) RBCs and adipocytes respire anaerobically because they

 I. require much less energy. II. possess carbonic anhydrase. III. possess very few mitochondria. IV. possess few mitochondria and large amount of energy.
Choose the correct option.

A) I and II

B) I and III

C) II and IV

D) I, II and III

• question_answer116) Choose the correct statements.

 I. Ova collected from a female donor are transferred to the Fallopian tube to facilitate zygote formation in artificial insemination. II. Zygote is collected from a female donor and transferred to the Fallopian tube in IVF. III. Transfer of an ovum collected from a donor info the Fallopian tube of another female who cannot produce an ovum is called as GIFT. IV. Transfer of early embryos with up to 8-blastomeres into the Fallopian tube of the female is called ZIFT.

A) I, II and IV

B) II, III and IV

C) Only II

D) III and IV

• question_answer117) How is the arrangement of Mendels selected seven characters on four chromosomes?

A) One is chromosome number 1, four in chromosome number 4, one in chromosome number 5 and one in chromosome number 7

B) Two in chromosome number 1, Three in chromosome number 4, one in chromosome number 5 and one in chromosome number 6

C) Three in chromosome number 1, one in chromosome number 4, two in chromosome number 5 and one in chromosome number 7

D) Two in chromosome number 1, Three in chromosome number 4, One in chromosome number 5 and one in chromosome number 7

• question_answer118) Choose the correct sequence for evolution of human ancertors.

 I. Dryopithecus II. Ramapithecus III. Homo erectus IV. Australopithecus

A) $I\to II\to III\to IV$

B) $IV\to III\to 1\to II$

C) $I\to II\to 1V\to III$

D) $II\to I\to 1V\to III$

• question_answer119) AABbCc genotype forms how many types of gametes?

A) 4

B) 8

C) 2

D) 6

• question_answer120) Which statement (s) is/are correct?

 I. Degeneracy of code in related to third member of codon. II. Single codon codes for more than one amino acid. III. In codon, first two bases are more specific. IV. In codons, third base is wobble. V. Code is universal.

A) I, II, III, IV and V

B) I, II and IV

C) I, III and IV

D) I, III. IV and V

• question_answer121) An impairement affecting synthesis or release of ADH result in a diminished ability of the kidney to conserve water leading to water loss and dehydration. This hormone released in blood by which of the following labelled structure in the give diagram?

A) A

B) B

C) C

D) D and A

• question_answer122) Select the correct matches.

 Column I Column II I. Euglena Animal and plant II. Archaeopteryx Reptiles and Mammalia III. Balanoglossus Eurochordata and Cephatochordata IV. Penpatus Annelida and Arthropoda

A) I and IV

B) II and IVV

C) I and III

D) II and IV

• question_answer123) Bombyx mori a silk math is a

A) holomata bola - insect-like mosquito

B) hemimata bola - insect-like bed bug

C) holomata bola - insect like-cockroach

D) hemimata bola - insect-like butterfly

• question_answer124) Erythroblastosis foetalis is caused if the fertilisation occurs between gametes of

A) $R{{h}^{-}}$ female and $R{{h}^{+}}$ male

B) $R{{h}^{+}}$ female and $R{{h}^{-}}$ male

C) $R{{h}^{-}}$female and $R{{h}^{+}}$male

D) $R{{h}^{+}}$ female and $R{{h}^{-}}$ male

• question_answer125) Arrange the following in order of accurancy needed to perform the process given below.

 I. Replication II. Transcription III. Translation

A) I > II > III

B) III > II > I

C) I > III > II

D) II > I > III

• question_answer126) A, B and C are the three forms of DNA. In which

A) A and B are right handed and C is left handed

B) A is right handed and B and C are left handed

C) All three are right handed, but the number of bases per turn in the three is different

D) AII three are left hand, but the number of bases per turn in the three is different

• question_answer127) Mark the incorrect statement (s).

 I. Protoplasm is a physical basis of the life is said by Rudoef Virchow. II. Haeckal is well known for his recapitulation theory. III. TH Morgan gave modern principle of inheritance. IV. Chromosomal theory of inheritance is given by Me Leod and Me Carty.

A) I and IV

B) II and III

C) I and III

D) II and IV

• question_answer128) Following are given some statements regarding nodes of Ranvier. Which of the following in correct for nodes of Ranvier of nerve?

A) Neurilemma is discontinuous

B) Myelin sheath is discontinuous

C) Both neurilemma and myelin sheath are discontinuous

D) Covered by myelin sheath

• question_answer129) Which of the following statements is/are wrong regarding ZIFT?

 I. It stands for Zygote Intra Fallopian Transfer. II. Zygote is transferred into the Fallopian tube after IVF. III. Early embryos up to 8-blastomeres can also be transferred into the Fallopian tubes. IV. Embryos with more than 8-blastomeres are also transferred into the Fallopian tubes.

A) I, II and III

B) Only I

C) II and IV

D) Only IV

• question_answer130) A cardiac cycle includes

A) auricular systole-ventricular diastole-joint diastole

B) auricular systole-ventricular systole-complete cardiac diastole

C) ventricular diastole - auricular systole - complete cardiac diastole

D) joint diastole-ventricular systole-complete cardiac diastole

• question_answer131) Given that I = natural selection; II = variation and their inheritance; III = survival of the fittest; IV = struggle for existence. According to Darwinism, which of the following represents the correct sequence of events in the origin of new species?

A) III, IV, I and II

B) II,III, I and IV

C) I, II, III and IV

D) IV, II, III and I

• question_answer132) EEG is an idex of brain functioning and is most useful in the diagnosis of

 I. epilepsy. II. brain infections and drug effects on the brain. III. sleep and it disorder. IV. brain death.

A) I and II

B) I and III

C) I, II and III

D) All of these

• question_answer133) Match the following column I with column ll.

 Column I Column ll A. Accessary duct 1. Seminal vesicle B. Accessary gland 2. Vas defference C. Spermatids 3. Uterus D. Primary spermatocyte 4.23-chromosomes 5. 46 -chromosomes
Codes

A) A-4,3 B-5 C-2 D-1

B) A-4,5 B-2 C-1 D-3

C) A-2,1 B-3 C-5 D-4

D) A-2,3 B-1 C-4 D-5

• question_answer134) Consider the following statements and mark them as true or false.

 I. Ligaments are connective tissues that connect skeletal muscles to bones. II. Bone marrow is composed of adipose tissue, areolar tissue and blood. III. Hyaline cartilage in the strogest cartilage in vertebrate body. IV. Mast cells are modified basophils which secrete vaso constrictor, i.e. histamine.
True false

A) II, III I, IV

B) ll, IV I. Ill

C) I, IV II, III

D) III,IV I, II

• question_answer135) In Drosophila the XXY condition leads to femaleness whereas in human beings the same condition leads to Klinefelterss syndrome in male. It proves

A) in human being Y-chromosome is active in sex determination

B) Y-chromosome is active in sex determination in both human beings and Drosophila

C) in Drosophila Y-chromosome decides femaleness

D) Y-chromosome of man have genes for syndrome

• question_answer136) Salivary glands are absent in

A) Anopheles maculipennis

B) Musca domestica

C) Blatta orientalis

• question_answer137) Which of following some as biological control of plant pests?

 I. Lady beetles II. Leopard moth III. Stink bugs IV. White grubs

A) Only I

B) I and III

C) II and IV

D) III and IV

• question_answer138) Match the following column I with column II.

 Column I Column II A. UUU 1. Serine B. GGG 2. Methionine C. UCU 3. Phenyl alanine D. AUG 4. Glycine E. CCC 5. Proline
Codes

A) A-3 B-4 C-1 D-2 E-5

B) A-1 B-2 C-3 D-4 E-5

C) A-3 B-4 C-5 D-1 E-2

D) A-4 B-3 C-1 D-2 E-3

• question_answer139) Corpus luteum remains active during early pregnancy producing progesterone because of human Chorionic Gonadotropin (hCG). But in the later stages the production of progesterone is taken over by

A) placenta

B) allantois

C) chorion

D) amnion

• question_answer140) In human gut in order of secretion, the proteolytic enzymes are

A) renin, trypsin and steapsin

B) pepsin, trypsin and erepsin

C) trypsin, steapsin and dipeptidase

D) None of the the above

• question_answer141) Which of the following nervous system is called cranial-sacral out flow?

A) SNS and it is adrenergic

B) PSNS and it is adrenergic

C) SNS and it is cholinergic

D) PSNS and it is cholinergic

• question_answer142) The endogenous pyrogen (mterleukin-I) is secreted by

A) neutrophils

B) eosinophils

C) macrophages

D) monocytes

• question_answer143) During the study of sexually transmitted disease, a student learns about there mode of transmission among individuals, their casuative agents, etc. Correctly match the agents and the STDs they cause given in column I and II.

 Column I Column II A. Treponema pallidum 1. Chlamydia B. HSV type-l 2. Syphillis C. Trichomonas vaginalis 3. Genital warts D. Chlamydia trachomatis 4. Trichomoniasis
Codes

A) A-1 B-2 C-3 D-4

B) A-2 B-3 C-4 D-1

C) A-4 B-3 C-2 D-1

D) A-3 B-4 C-1 D-2

• question_answer144) Match the following column I with column II.

 Column I Column II A. Struthio 1. Retrogressive metamorphis B. Ichthyophis 2. Largest living flightless bird C. Herdmania 3. Flying bird D. Psittacula 4. A limbless amphibian
Codes

A) A-1 B-2 C-3 D-4

B) A-2 B-4 C-1 D-3

C) A-4 B-3 C-2 D-1

D) A-3 B-2 C-4 D-1

• question_answer145) Gravi-index test (pregnancy test) detects the presence of following hormone in urine.

A) hCG

B) Progesterone

C) Relaxin

D) FSH

• question_answer146) Trophoblast of the blast cyst gets differentiated into

A) allantois

B) chorion

C) amnion

D) embryo

• question_answer147) Identify the correctly matched pair.

A) Acrodont - Teeth attached to bony sockets

B) Thecodont - Teeth attached to the rest of the bone

C) Pleurodont - Teeth attached to the medial side of bone

D) Diphyodont - Teeth appearing many times in life

• question_answer148) Which of the following statements is/are true?

 I. Urine is hypotonic in distal convoluted tubule. II. When the urine passes into the collecting tubule it becomes hypotonic. III. Urine is isotonic in proximal convoluted tubule. IV. Urine becomes more and more hypotonic as it passes through the loop of Henle.

A) I and IV

B) I, II and III

C) II and HI

D) Only III

• question_answer149) Match the following column I with column II.

 Column I Column II A. Bee wax 1, Five year life span B. Pebrine 2. Worker bees C. Queen bee 3. Disease of silkworms D, Bombax mori 4. Insect E. Worker bee 5. 90 days of life span
Codes

A) A-2 B-3 C-1 D-4 E-5

B) A-5 B-4 C-3 D-2 E-1

C) A-3 B-4 C-5 D-1 E-2

D) A-1 B-3 C-4 D-5 E-2

• question_answer150) Opisthonephron kidney is the modification of

A) mesonephrons kidney

B) pronephrons kidney

C) metanephrons kidney

D) None of these

• question_answer151) A major breakthrough in the studies of cells come with the development of electron microscope. This is because

A) the electron microscope is more powerful than the light microscope as it uses a beam of electrons which has wavelength much longer than that of photons

B) the resolving power of electron microscope is much higher than that of the light microscope

C) the resolving power of the electron microscope is 200-350 nm as compared to 0.1-0.2 nm for the light microscope

D) electron beam can pass through thick materials whereas light microscope requires their section

• question_answer152) Match the following column I with column II.

 Column I (Author) Column II (Book/Monograph) A. Andreas Vesalius 1. Micrographia B. Carolus Linneus 2. Philosophic zoologique C. Robert Hook 3. De Humani corpons Fabrica D. Jean Baptiste de 4. Species Plantarum Lamarck
Codes

A) A-4 B-2 C-3 D-1

B) A-3 B-4 C-1 D-2

C) A-4 B-3 C-2 D-1

D) A-3 B-2 C-4 D-1

• question_answer153) Choose the correct statement.

 I. The rich sources of iodine are Laminaria Fucus and Aascophyllum. II. Volvox globalor and V. aureus are colonial flagellates. III. There is no flagellated phage in life cycle of Spirogyra. IV. Chlamydomonas, does not reproduce sexually.

A) Only I

B) Only II

C) Only III

D) None of the above

• question_answer154) Identify the suitable matching pairs from column I and column II.

 Column I Column II A. Peritrichous flagella 1. Macrocystis B. Rhizophore 2. Ginkgo C. Largest perennial alga 3. E. coli D. Living fossil 4. Wolffia E. Smallest flowering plant 5. Selagineila
Codes

A) A-4 B-3 C-5 D-2 E-1

B) A-3 B-5 C-4 D-1 E-2

C) A-1 B-3 C-5 D-2 E-4

D) A-3 B-5 C-1 D-2 E-4

• question_answer155) The family containing mustard and its main characters are

A) Brassicaceae - Tetramerous flowers, six stamens, bicarpellary gynoecium, capsuletype fruit

B) Brassicaceae - Pentamerous flowers, many stamens pentacarpellary gynoecium, capsule type fruit

C) Solanaceae-Pentamerous flower, five stamens, bicarpellary gynoecium berry type fruit

D) Poaceae- flowers, three stamens, monocarpellary gynoecium, caryopsis type of fruit

• question_answer156) Match the term in column I with their description in column II.

 Column I Column II A. Fossil 1. Accumulation of neutral mutations B. Stratification 2. is shark fins, pengen in flippers C. Molecular clock 3. Stone hand evidence of life in past D. Analogy 4. Lyer of sedimentary rock
Codes

A) A-4 B-2 C-3 D-1

B) A-3 B-4 C-1 D-2

C) A-4 B-1 C-2 D-1

D) A-3 B-2 C-4 D-2

• question_answer157) Choose the correctly matched pair

A) Honey mushroom -ArmiHaria

B) Birds nest fungus - Phallu

C) Tooth fungi - Hydnum

D) Coral fungi - Clavaria

 I. The four nucleotide basis are not necessarily present in DNA in exact equal proportions. II. The total amount of purines is equal to the total amount of pyrimidines. III. DNA ligase enzyme act to hydrolyse or breakdown a polynucleotide chain into its component nucleotide. IV. Nuclease enzyme are capable of restoring an intact DNA duplex of the above statements.

A) I and II are incorrect, but III and IV are correct

B) I and II are correct, but IV and III are incorrect

C) II is correct, but I III and IV are incorrect

D) II, III and IV are correct but I is incorrect

• question_answer159) What are the successive structures formed in case of sexual reproduction is Rhizopus?

A) Zygospore, progametangium, gametangium, zygophore

B) Progametangium, zygophore, gametangium. Zygospore

C) Progametangium, gametangium, zygospore zygophore

D) Zygophore, progametangium, gametanQium, zygospore

• question_answer160) Match the following column I with column II.

 Column I Column II A. Chargaff 1. Wilkins and Franklin B. Replicon 2. Uptake of lactose C. Permease 3. hnRNA D. Split gene 4. Length of DNA E. X-ray diffraction 5. $(A+G)=(C+T)$
Codes

A) A-2 B-3 C-4 D-1 E-5

B) A-5 B-4 C-2 D-3 E-1

C) A-1 B-3 C-2 D-4 E-5

D) A-2 B-4 C-1 D-3 E-5

• question_answer161) Match the family given with their floral formula.

 Column I Column II A. Liliaceae 1. B. Cruciferae 2. C.Malvaceae 3. D. Solanaceae 4.
Codes

A) A-3 B-4 C-1 D-2

B) A-2 B-1 C-4 D-3

C) A-1 B-3 C-4 D-2

D) A-4 B-3 C-2 D-1

• question_answer162) Consider the following statements and choose the correct answers from the given codes

 I. The sporophyte in liverworts is more elaborate than that is noxes. II. Salvinia is heterosporous. III. The life cyclie in all seed bearing plant is diplontic. IV. In Pinus male and female cones are borne on different trees.

A)

 True False I, II III, IV

B)

 True False III, II IV, I

C)

 True False II, I III, IV

D)

 True False I, III II, IV

• question_answer163) Select the correct statement (s).

 I. Multicarpellary and syncarpous gynoecium is present in Michelia. II. Multicarpellary and syncarpous gynoecium is present in Papaver. III. Unicarpellary and apocarpous gynoecium is present in Papaver. IV. Multicarpellary and apocarpous gynoecium is present in Muchelia.

A) I and II

B) I and III

C) II and IV

D) III and IV

• question_answer164) Cell division was observed in the single cell of root tip. How many generation of mitosis are required to produce 128 cells from the single cell of the root tip?

A) 64

B) 8

C) 7

D) 32

• question_answer165) Match the following column I with column II.

 Column I Column II A. Bacillus thuringiensis 1. Production of chitinases B. Rhizobium meliloti 2. Scavenging of oil spills C. Escherichiacoli 3. Incorporation of nif gene D. Pseudomonas putida 4. Production of Bt toxin E. Trichoderma 5. Production of human insulin
Codes

A) A-2 B-3 C-4 D-1 E-5

B) A-4 B-2 C-5 D-3 E-1

C) A-4 B-3 C-5 D-2 E-1

D) A-5 B-4 C-3 D-2 E-1

• question_answer166) All of the following statements concerning the Actinomycetes filamentous soil bacterium Fmnkia are correct except that Frankia.

A) Can induce root nodules of many plant species

B) Can fix nitrogen in the free living state

C) Cannot fix specialised vesicles in which the nitogenase is protected from oxygen by a chemical barrier involving triterpene hapanoids

D) Like Rhizobium it usually infects its hort plant through root air deformation and stimulates cell proliferation in the hort cortex

• question_answer167) Consider the following given statements. Two statements are correct. Choose the correct options from the given codes.

 I. A lion eating a deer and a sparrow feeding an grain are ecologically similar in being consumers. II. Predator star fish Pisaster helps in maintaining species diversity of some invertebratess. III. Predators ultimately lead to the extinction of prey species. IV. Production of chemicals such as nicotine, strychnine by the plants are metabolic disorders.

A) Hand III

B) III and IV

C) I and IV

D) I and II

• question_answer168) Consider the following statements and select true or false.

 I. A constant input of solar energy is basic requirement of ecosystem. II. Biomass or organic matter produced is expressed in terms of K cal ${{m}^{-2}}$. III. The rate of biomass production is called net primary production. IV. Net primary productivity minus respiration called gross primary production.

A)

 True False I, III II, IV

B)

 True False II, III I, IV

C)

 True False I, II III, IV

D)

 True False I, IV II, III

• question_answer169) The following diagram represents the floral diagram of home important families. Their respective families are assigned in the answer key. Choose the correct options from them.

A)

 A B C Liliaceae Asteraceae Solanaceae

B)

 A B C Asteraceae Solanaceae Brassicaceae

C)

 A B C Asteraceae Fabaceae Poaceae

D)

 A B C Poaceae Solanaceae Asteraceae

• question_answer170) Match the following Column I with Column II.

 Column I Column II A. Pacific salmon fish 1. Verhulst-pearl logistic growth B. ${{N}_{1}}={{N}_{0}}{{e}^{rt}}$ 2. Breeds only once in lifetime C. Oyster 3. Exponential growth D. $\frac{dN}{dt}=rN\left( \frac{K-N}{K} \right)$ 4- A large number of small sized offsprings

A) A-4 B-3 C-1 D-2

B) A-3 B-4 C-1 D-2

C) A-3 B-1 C-4 D-2

D) A-2 B-3 C-4 D-1

• question_answer171) The orderly change in A leads some change in community that is near B with the environment. This community is known as C community and the process is termed Fill in the blanks with suitable words.

A)

 A B C D Energy Optimum Serai Development

B)

 A B C D Radiation Minimum Pioneer Coevolutionv

C)

 A B C D Environment Equilibrium Climax Ecological succession

D)

 A B C D Wind flow Maximum Decomposer Secondary succession

• question_answer172) Match the following column I with column II.

 Column I Column II A. Aerobic 1. Frankia B. Cyanobacteria 2. Azospirillum C. Casuarina 3. Clostridium D. Tropical grasses 4. Aulozira 5. Azotobacter
Codes

A) A-3 B-5 C-4 D-2

B) A-2 B-1 C-3 D-5

C) A-5 B-3 C-4 D-1

D) A-5 B-4 C-1 D-2

• question_answer173) If a recombinant DNA bearing gene for amplicillin resistance is transferred into E. coli cells and the host cells are spread an agar plates containing amplicillin, then

A) both transformed and untransformed recipient cells will die

B) both transformed and untransformed recipient cells will grow

C) transformed recipient cells will grew and untransformed recipient cells will die

D) transformed recipient cells wilt die and untransformed recipient cells will grew

• question_answer174) Match the following column I with column II.

 Column I Column II A. Red algae 1. Marchantia B. Liverwort 2. Pinus C. Walking fern 3. Polysiphonia D. Gymnosperm 4. Adiantum
Codes

A) A-3 B-5 C-4 D-3

B) A-2 B-4 C-3 D-1

C) A-2 B-3 C-1 D-4

D) A-3 B-1 C-4 D-2

• question_answer175) Match the following column I with column II.

 Column I Column II A. Bacillus thringiensis 1. Production of human insulin, growth hormone B. Rhizobium meliloti 2. Production of Bt toxin C. Pseudomonas putida 3. Scanenging of oil spills D. Escherichia coli 4. ${{N}_{2}}$ -fixation by n if gene in cereal crops
Codes

A) A-2 B-4 C-3 D-1

B) A-1 B-2 C-3 D-4

C) A-2 B-1 C-4 D-3

D) A-2 B-3 C-1 D-2

• question_answer176) Match the following column I with column II.

 Column I Column II A. Peritrichous flagellation 1. Ginko B. Living fomils 2. Macrocystis C. Rhizophore 3. Escherichia coli D. Smallest flowering plant D. Smallest flowering plant E. Largest perevialagae 5. Woiffia
Codes

A) A-3 B-1 C-4 D-5 E-2

B) A-2 B-1 C-3 D-4 E-5

C) A-4 B-3 C-2 D-5 E-1

D) A-1 B-2 C-5 D-3 E-4

 I. Colchicin inhibits the addition oftubutin molecules to microfilaments, thus is a mitotic poison. II. The cell wall consists of cellulose, hemi cellulose, pectin, lignin and lipids. III. The urea cycle is compartmentacised between the matrix of the mitochondria and the cyto IV. Anthocyanin is a glucoside pigment, violet is neutral, red in acid and blue in alkaline cell sap.
Choose the correct option.

A) I and II

B) I, II and III

C) I, II and IV

D) I, III and IV

• question_answer178) $2N{{H}_{3}}+3{{O}_{2}}\xrightarrow{A}2NO_{2}^{-}+2{{H}^{+}}+2{{H}_{2}}O$$2NO_{2}^{-}+{{O}_{2}}\xrightarrow{B}2NO_{3}^{-}$Identify the organism and [B] involved in the above reactions respectively.

A) Thiobacillus, Pseudomonas

B) NitrosomGnas, Nitrococcus

C) Nitrococcus, Nitrobacter

D) Azotobacter, Nitrococcus

• question_answer179) Choose the incorrect option amongst the following.

A)

 Photosynthetic pigment Name of organism Absorption(nm) Chlorophyll-d Red algae 740 nm

B)

 Photosynthetic pigment Name of organism Absorption(nm) p-caroten Green plants 450-480 nm

C)

 Photosynthetic pigment Name of organism Absorption(nm) Phycocyanin BGA 618nm

D)

 Photosynthetic pigment Name of organism Absorption(nm) Bacterioviridin All photosynth- eticbacteria 400-700 nm

• question_answer180) Read the following statements about frog and choose the correct option.

 I. The body colour offers it protective colouration. II. Sammer sleep of frog is called aestivation. III. Tail is not present in life cycle of frog. IV. Mouth is bounded by a pair of lips.

A)

 True False I, III II, IV

B)

 True False I, II III, IV

C)

 True False II, III I, IV

D)

 True False II, IV I, III

• question_answer181) The genetic drift operates only in

A) island population

B) smaller population

C) larger population

D) Mendelian population

• question_answer182) Identify which of the following utilities are offered to the service of man-kind by conservation of biodiversity?

 I. Ecosystem service like photosynthesis II. Industrial products like dyes and lubricants. III. Watching spring flowers in full bloom. IV. The aesthetic pleasure of walking through thick. V. Fibre, firewood and construction material. VI. Products of medicinal importance.
Choose the correct options.

A) I, II and III

B) l,V and VI

C) IV, V and VI

D) I, III and VI

• question_answer183) Which of the following statement(s) is/are correct?

 I. Enzymes for peroxide biosynthesis lies within peroxisomes. II. Catalase enzyme is present in glyoxysomes, a cell organelle present in animal and plant cells. III. Centrioles play a role in aster formation during cell division in plants. IV. Ribozymes are proteins that play an important role during protein synthesis.

A) Only I

B) I, II and III

C) I and IV

D) All of these

• question_answer184) C-value means

A) hapioid DNA content in an individual

B) colchiceni treatment value

C) gene binding frequency on chromosomes

D) None of the above

• question_answer185) Parbhani kranti is a variety of Abelomoschus esculentus, resistant to yellow mosaic virus was developed by

A) plant breeding

B) plant tissue culture

C) mutational breeding

D) r DNA technology

• question_answer186) Bryophyte used as antiseptic absorbant bandage is

A) Sphagnum

B) Ricda

C) Marchantia

D) Porella

• question_answer187) An ambiguous codon in nature is

A) UAG

B) UGA

C) UAA

D) UUU

• question_answer188) Match the following column I with column II.

 Column I (Population interaction) Column II (Examples) A. Mutualism 1. Ticks on dogs B. Commensalism 2. Baianus and chathamalus C. Parasitism 3. Sparrow and any Seeds D. Campetition 4. Epiphyte on a mango branch E. Predation 5. Orchid ophrys and
Codes

A) A-1 B-5 C-4 D-3 E-2

B) A-2 B-1 C-5 D-4 E-3

C) A-3 B-2 C-1 D-5 E-4

D) A-5 B-4 C-1 D-2 E-3

• question_answer189) Which of the following environmental condition are essential for optimum growth of Mucoron a piece of bread?

 I. Temperature of about ${{25}^{o}}C$. II. Temperature of about ${{5}^{o}}C$ III. Relative humidity of about $5%$ IV. Relative humidity of about $95%$ V. A shady place. VI. A brightly illuminated place.
Choose the correct options.

A) II, III and VI

B) I. III and V

C) I. IV and V

D) II, IV and V

• question_answer190) Consider the following statements, choose correct options.

 I. Plant cells have centrioles which are almost absent in all animal cells. II. Ribosomes are the site of protein synthesis. III. The middle lamella is the layer mainly of calcium carbonate which holds the different neighbouring cells together. IV. In animal cells steroidal hormones are synthesised by smooth endoplasmic reticulum.

A)

 True False II, IV I, III

B)

 True False II, IV I, III

C)

 True False II, III I, IV

D)

 True False III, IV I, II

• question_answer191) The two microbes found to be very useful in genetic engineering are

A) Grown gall bacterium and Caenorhabditis

B) E. call and A. tumefaciens

C) V. cholerae and bacteriophage

D) Pseudomonas and Xanthomonas

• question_answer192) From which of the following algae, the agar-agar is commercially extracted?

 I. Gracillaria II. Fucus III. Sargassum IV. Gelidium V. Turbmalia

A) III and V

B) II and III

C) IV and V

D) I and IV

• question_answer193) Column I lists the shape of chloroplast in green algae and column II shows the name of that algae.

 Column I Column II A. Cup-shaped 1. Ulothrix B. Girdle-shaped 2. Oedogonium C. Stellate 3. Chlamydomonas D. Reticulate 4. Zygonema
Codes

A) A-2 B-4 C-3 D-1

B) A-3 B-1 C-4 D-2

C) A-3 B-4 C-2 D-1

D) A-4 B-3 C-1 D-2

• question_answer194) Choose the incorrect pairs from the following.

 I. Holotype-A specimen on which the original description of the species is based. II. Syntype-A specimen other than the holotype available with the author. III. Paratype-any of two or more specimens cited by author when there is no holotype. IV. Neotype-A specimen is designated when the original types are known to have been destroyed. V. Isotype-A duplicate of the type.

A) I and II

B) II and III

C) IV and V

D) I and V

• question_answer195) Read the following statement. Choose the correct statement from options given in codes.

 I. When a fruit develops from inflorescence, it is comporite. II. Mesocarp is the edible part in apple. III. Gynobasic style is seen in ocimum. IV. Hypanthodium is a special type of inflorescence found in euphorbia species.

A) I and IV

B) I and III

C) I and II

D) I, II and IV

• question_answer196) Consider the following statements. There statements describes the major pigment and stored food in different group of algae. Choose the correct options.

 I. In chlorophyceae the stored food material is starch and major pigment is chlorophyceae -a and d. II. In phaeophyceae, laminarin is the stored food material and chlorophyll a and b are major pigments. III. In rhodophyceae, floridean starch is the stored food and the major pigments are chlorophyll-a, d and phycoerythrin.

A)

 True False I II, III

B)

 True False I, I III

C)

 True False I, III II

D)

 True False II I, III

• question_answer197) Based on which features an underground stem be differentiated from root.

 I. Presence of nodes and internodes. II. Presence of axillary and terminal buds. III. Presence of cap and hairs. IV. Absence of scale leaves and adventitious roots arising from nodes. V. Presence of exogenous branches.
Choose the correct option.

A) I. II and IV

B) I, II and V

C) II. Ill and V

D) All of these

• question_answer198) Match the following column I with column II.

 Column I Column II A. Vitamin-B rich SCP 1. Dunaliella salina B. Foxfire 2. Amanita muscaria C. Methionine deficient SCP 3. Candida lipolytica D. Lysin rich SCP 4. Armillana melka 5. Methylophilus methylotropus
Codes

A) A-3 B-4 C-1 E-5

B) A-3 B-2 C-1 E-4

C) A-3 B-5 C-1 E-4

D) A-1 B-4 C-2 E-3

• question_answer199) The given below are the organisms with their some specific role. Choose the incorrect pair.

A) Biogas - Methanobacterium

B) Mycorrhiza - Glomus

C) Biocontrol agent - Pythium

D) Ladybird beetle - Aphid

• question_answer200) Bentham and Hooker classified dicots into

A) Polypetalae, gamopetalae and glumifloral

B) Polypetalae, gamopetalae monochlamydae

C) Archechlamydae, monochlamydae and glumifloral

D) Polypetalae, gamopetalae and monochlamydae