# Solved papers for Haryana PMT Haryana PMT Solved Paper-1999

### done Haryana PMT Solved Paper-1999

• question_answer1) When a capacitor having capacitance $4\times 1C{{T}^{6}}F$ and potential difference 100 volt is discharged. The energy released is :

A) 0.05 J

B) 0.25 J

C) 0.08 J

D) 0.02 J

• question_answer2) When a mass undergoes SHM. There is always a constant ratio between its displacement and :

A) velocity

B) mass

C) period

D) acceleration

• question_answer3) If the refractive index of turpentine and water with respect to air are 1.8 and 1.3 respectively. Then the refractive index of turpentine with respect to water is :

A) 9/4

B) 2.5

C) 5/3

D) 18/13

• question_answer4) The work done in moving a positive charge on an equipotential surface is :

A) infinite

B) zero

C) finite, + ve but not zero

D) finite - ve but not zero

• question_answer5) The minimum distance between the object and its real image formed by a convex lens is :

A) $f/2$

B) $3f/2$

C) $2f$

D) $4f$

• question_answer6) A fish looking up through water sees the outside world contained in a circular horizon. If the refractive index of water is 4/3 and fish is 12 cm below the surface, the radius of circle is :

A) $12\times \frac{3}{\sqrt{7}}cm$

B) $12\times 3\times \sqrt{7}cm$

C) $12\times \sqrt{5/3}$

D) $12\times 3\times \sqrt{5}$

• question_answer7) The number of images observable between two parallel plane mirrors is :

A) infinite

B) 11

C) 22

D) 7

• question_answer8) If the speed of light were 2/3 of its present value, the energy released in a given atomic explosion will be :

A) decreased by a factor of $\sqrt{\frac{7}{9}}$

B) decreased by factor of 9/4

C) decreased by a factor of 2/5

D) decreased by a factor of 4/9

• question_answer9) An achromatic combination is to be obtained using a convex and concave lens, the lenses chosen should have :

A) the product of their power and dispersive powers are equal

B) their powers are equal

C) their refractive indices be equal

D) none of these

• question_answer10) Light travels in two media A (denser) and $\beta$B rarer with speeds $2\times {{10}^{8}}m/s$and $2.4\times {{10}^{8}}m/s$ respectively. The critical angle C- between them will be :

A) $56.4{}^\circ$

B) $66.4{}^\circ$

C) $46.4{}^\circ$

D) $36.4{}^\circ$

• question_answer11) A bulb of 100 watt is suspended at a height 2 m from the centre of the table. When it is raised by one metre. The percentage change in the illuminance at the centre of the table will be :

A) 64.4%

B) 34.4%

C) 53%

D) 55.6%

• question_answer12) What temperature will have the same reading on Fahrenheit scale and also on Kelvin scale?

A) $574{}^\circ$

B) $590{}^\circ$

C) $287{}^\circ$

D) $-80{}^\circ$

• question_answer13) An isotropic source of 2 candela produces light flux equal to :

A) 8$\pi$ lumen

B) 16$\pi$ lumen

C) 4$\pi$ lumen

D) $\pi$lumen

• question_answer14) If the density of oil higher than water is used in place of water in a resonance tube. How does the frequency change?

A) decrease

B) increase

C) remains same

D) none of these

• question_answer15) A transverse wave is described by the equation,$y={{y}_{0}}\sin 2\pi [x/\lambda )]$ The maximum particle velocity is equal to 4 times the wave velocity if:

A) $\lambda =2\pi {{y}_{0}}$

B) $\lambda =\pi {{y}_{0}}$

C) $\lambda =\frac{\pi {{y}_{0}}}{4}$

D) $\lambda =\frac{\pi {{y}_{0}}}{2}$

• question_answer16) A motor drives a body along a straight line With a constant force. The power P delivered by the motor must vary with time $t$ according to :

A)

B)

C)

D)

• question_answer17) A charged particle is projected parallel to a uniform magnetic field. The path of the particle will be :

A) parabolic

B) elliptical

C) circular

D) linear

• question_answer18) Which one of the following does not affect the velocity of sound in air at a place. ?

A) Atmospheric pressure only

B) Altitude from sea level

C) Water vapour

D) Temperature

• question_answer19) Which one of the following statements is incorrect about venus?

A) The surface is full of creators

B) There is vegetation and oxygen on its surface

C) There is possibility of life on its surface

D) There is atmosphere on its surface

• question_answer20) Second pendulum is the pendulum which has a time period of :

A) half second

B) four second

C) one second

D) two second

• question_answer21) The most characteristic property of the liquid is :

A) volume conservation

B) formlessness

C) fluidity

D) elasticity

• question_answer22) How much time will light take to traverse a glass slab of thickness 10 cm and refractive index 1.5?

A) $3\times {{10}^{-8}}sec$

B) $2.5\times {{10}^{-8}}sec$

C) $1\times {{10}^{-8}}sec$

D) $0.5\times {{10}^{-9}}sec$

• question_answer23) Which one of the phenomenon cannot be explained by the wave theory of light?

A) Photoelectric effect

B) Diffraction

C) Refraction

D) Total internal reflection

• question_answer24) A point source is located 2.75 cm below the surface of a lake. The area of surface that transmits all the light that emerges from the surface is :

A) $0.304\text{ }{{m}^{2}}$

B) $30.4\text{ }{{m}^{2}}$

C) $384\text{ }{{m}^{2}}$

D) $3.04\text{ }{{m}^{2}}$

• question_answer25) A light ray is incident on a prism in minimum deviation position and suffers a deviation of $34{}^\circ$. If the shaded half of the prism is removed off. Then the same ray will suffer a deviation of :

A) $0{}^\circ$

B) $68{}^\circ$

C) $34{}^\circ$

D) $17{}^\circ$

• question_answer26) The focal length of the objective and eye piece of a telescope are 100 cm and 5 cm respectively. Final image is formed at least distance of distinct vision. The magnification of the telescope is :

A) 36

B) 30

C) 24

D) 20

• question_answer27) Two straight and narrow parallel slits 3 mm apart illuminated by a monochromatic light r-p of wavelength $5.9\times {{10}^{-7}}m.$Fringes are obtained on a screen 30 cm away from the slits. The fringe width will be :

A) $5.9\times {{10}^{-5}}m$

B) $2.99\times {{10}^{-5}}m$

C) $3.9\times {{10}^{-5}}m$

D) none of these

• question_answer28) Which type of spectrum is obtained from an electric lamp?

A) Absorption spectrum

B) Line emission spectrum

C) Continuous emission spectrum

D) None of these

• question_answer29) A stone weighs 9N at a place on the surface of earth having latitude $\pi /4.$ Its mass at the centre of the earth will be :

A) $\frac{10}{37\sqrt{2}}kg.$

B) $10\sqrt{2}kg$

C) 5 kg

D) 15 kg

• question_answer30) A mark is made on a drawing sheet. A glass slab of thickness $t$ and the refractive index $\mu$ is placed over the sheet. The mark appear to be raised by :

A) $\frac{t}{1-\mu }$

B) $\left( 1-\frac{1}{\mu } \right)t$

C) $\left( 1-\frac{1}{\mu } \right)t$

D) $\frac{\mu }{t}$

• question_answer31) Two lenses of focal length ${{f}_{1}}$ and ${{f}_{2}}$ are available. What must be the separation between them so as to minimise, spherical aberration ?

A) $\frac{{{f}_{1}}+{{f}_{2}}}{{{f}_{1}}{{f}_{2}}}$

B) ${{f}_{1}}{{f}_{2}}$

C) ${{f}_{1}}+{{f}_{2}}$

D) ${{f}_{1}}-{{f}_{2}}$

• question_answer32) Which one of the following is the Rutherford scattering formula?

A) ${{N}_{Q}}=\frac{\sin \frac{\phi }{2}}{{{Z}_{2}}}$

B) ${{N}_{\phi }}=\frac{{{Z}^{2}}}{{{\sin }^{4}}\frac{\phi }{2}}$

C) ${{N}_{\phi }}=\frac{{{Z}^{2}}}{{{\sin }^{2}}\frac{\phi }{2}}$

D) None of these

• question_answer33) The speed of electron in the second orbit of hydrogen is nearly equal to

A) $1.25\times {{10}^{8}}m/s$

B) $1.25\times {{10}^{6}}m/s$

C) $2.5\times {{10}^{8}}m/s$

D) $2.5\times {{10}^{7}}m/s$

• question_answer34) If the radius of Bohr's orbit in hydrogen atom is $0.5\times {{10}^{-10}}m.$ Then the radius of 3rd orbit will be :

A) $2.25\times {{10}^{-10}}m$

B) $4.5\times {{10}^{-10}}m$

C) $3.5\times {{10}^{-10}}m$

D) $6\times {{10}^{-10}}m$

• question_answer35) The blue colour of the sky is due to the phenomenon of :

A) dispersion

B) scattering

C) refraction

D) reflection

• question_answer36) Which of the following is the correct statement?

A) No particle whether at rest or in motion is ever accompanied by matter waves

B) Any particle in motion, whether charged or uncharged is accompanied by matter waves

C) Only sub atomic particle in motion are accompanied by matter wave

D) None of these

• question_answer37) Two force of 3N each act on a body at an angle of $120{}^\circ$ to each other, the magnitude of the resultant force acting on the body is :

A) 6 N

B) $2\sqrt{3}N$

C) $3\sqrt{2}N$

D) 3 N

• question_answer38) When the temperature increases the angle of contact of a liquid :

A) first increases then decreases

B) remains same

C) increases

D) decreases

• question_answer39) A ball tied to a string to swing in a vertical circle, which of following remains constant?

A) Earth pull on the ball

B) Centripetal force

C) Speed of the ball

D) Tension in the string

• question_answer40) The slope of the anode and mutual characteristic of a triode valve are 0.04mA /V and 2.0mA/V respectively. What are the triode constant?

A) 50

B) 25

C) 75

D) 40

• question_answer41) What is the effect of temperature on the conductivity of a semiconductor?

A) Conductivity of semi-conductor increases with increase of temperature

B) Conductivity of a semiconductor decrease with increase of temperature

C) Remains unaffected

D) None of these

• question_answer42) Current gains $\alpha$ and $\beta$ are related as :

A) $\alpha =\frac{1+\beta }{\beta }$

B) $\alpha =\frac{1-\beta }{\beta }$

C) $\alpha =\frac{\beta }{1-\beta }$

D) $\alpha =\frac{\beta }{1+\beta }$

• question_answer43) The activity of a radioactive substance reduces to (1/32) of its initial value in $22.5\times {{10}^{9}}$ year. The disintegration constant will be :

A) $1.54\times {{10}^{-10}}$ per year

B) $2.54\times {{10}^{-10}}$ per year

C) $0.54\times {{10}^{-10}}$ per year

D) none of these

• question_answer44) The viscous force on a spherical body to in a viscous medium is :

A) $F=6\pi \eta r\upsilon$

B) $F\frac{6\pi \eta \upsilon }{\upsilon }$

C) $\frac{6\pi r\upsilon }{\eta }$

D) none of these

• question_answer45) When the detergent is mixed in water then surface tension of water :

A) decreases

B) increases

C) remains same

D) none of these

• question_answer46) The force required to take away a flat circular plate of radius 5 cm on the surface of water, will be : (surface tension of water $=75\times {{10}^{-3}}N/m$)

A) 3.5 N

B) 7.5 $\pi$ $\times {{10}^{-3}}N$

C) 15 $\pi$ $\times {{10}^{-3}}N$

D) none of these

• question_answer47) One spherical ball of radius R, density d released in liquid of density$\frac{d}{2}$attains a terminal velocity $\upsilon$. Another ball of radius 2R and density 1.5d released in the same liquid, which attain the terminal velocity?

A) 8$\upsilon$

B) 2$\upsilon$

C) 1.5$\upsilon$

D) 6$\upsilon$

• question_answer48) The radius of curvature of path of a charged particle in uniform magnetic field is directly proportional to :

A) flux density in the field

B) energy of the particle

C) charge on the particle

D) the momentum of the particle

• question_answer49) What is the wavelength associated with moving particle of mass m and velocity $\upsilon$?

A) $\lambda =\frac{m}{h\upsilon }$

B) $\lambda =\frac{h\upsilon }{m}$

C) $\lambda =\frac{m\upsilon }{h}$

D) $\lambda =\frac{h}{m\upsilon }$

• question_answer50) An electron beam has a kinetic energy equal to 100 eV. Find the wavelength associated with the electron if the mass of electron is  $9.1\times {{10}^{-31}}kg$ and $1eV=1.6\times {{10}^{-}}^{19}J,h=6.6\times {{10}^{-34}}Js$:

A) $2.4\overset{\text{o}}{\mathop{\text{A}}}\,$

B) $4.6\overset{\text{o}}{\mathop{\text{A}}}\,$

C) $0.6\overset{\text{o}}{\mathop{\text{A}}}\,$

D) $1.2\overset{\text{o}}{\mathop{\text{A}}}\,$

• question_answer51) In case of n-p-n transistor the collector current is always less than emitter current because of :

A) collector being reverse biased attracts less electrons

B) a few electrons are lost in the base and only remaining ones reach the collector

C) collector side is reverse biased and emitter side is forward biased

D) collector side is forward biased and emitter side is reverse biased

• question_answer52) We have a jar A filled with a gas characterised by the parameters P, V and T and another jar B filled with a gas with parameter 2 P, V/4 and IT, where the symbols have their usual meanings, the ratio of the numbers of molecules of jar A to other jar B will be :

A) 4 : 1

B) 1: 4

C) 1: 2

D) 1: 8

• question_answer53) Two charges 4 $\mu$C are separated by 0.5 m. Their mutual potential energy will be :

A) 0.29 J

B) 0.72 J

C) 1.08 J

D) 1.44 J

• question_answer54) The force between two electron, separated by a distance r varies as :

A) ${{r}^{-}}^{2}$

B) ${{r}^{-}}^{3}$

C) r

D) ${{r}^{2}}$

• question_answer55) The number of electrons in one coulomb of charge will be :

A) $6.02\times {{10}^{23}}$

B) $1.6\times {{10}^{19}}$

C) $3.12\times {{10}^{18}}$

D) $6.25\times {{10}^{18}}$

• question_answer56) Energy of an electric condenser of capacity C when subjected to a potential V is given by :

A) $\frac{1}{2}\frac{V}{C}$

B) CV

C) C2V

D) $\frac{1}{2}C{{V}^{2}}$

• question_answer57) The permittivity of diamond is $1.46\times {{10}^{-10}}{{C}^{2}}/N{{m}^{2}}$ The electric susceptibility of diamond will be $({{\varepsilon }_{0}}=8.85\times {{10}^{-12}}{{C}^{2}}/N{{m}^{2}})$:

A) 15.5

B) 16.5

C) 7.75

D) none of these

• question_answer58) Three capacitors each of capacitance C are connected as shown in figure. The equivalent capacitance between P and $Q$ will be :

A) C/3

B) 3C

C) 6C

D) C/9

• question_answer59) Which one of the following relations is correct for current $i$ and drift velocity?

A) $i=ne\,{{A}^{\upsilon d}}$

B) $i\frac{y}{e{{A}_{\upsilon d}}}$

C) $\frac{n{{\upsilon }_{d}}}{eA}$

D) none of these

• question_answer60) A billion electrons pass through a cross-section of a conductor in ${{10}^{-3}}sec.$ The value of current will be :

A) $3.2\times {{10}^{-7}}A$

B) $1.6\times {{10}^{-7}}A$

C) $0.8\times {{10}^{-7}}A$

D) none of these

• question_answer61) The resistivity of a wire depends upon :

A) its material

B) its dimension

C) its length

D) none of these

• question_answer62) A uniform wire of length $l$ and radius $r$ has resistance 100 $\Omega$. It is recasted into a thin wire of (i) length 21 (ii) radius $\frac{r}{2.}$ The resistance of the new wire in each case will be :

A) 200 $\Omega$ 400 $\Omega$

B) 100 $\Omega$ 200 $\Omega$

C) 400 $\Omega$ 160 $\Omega$

D) 400 $\Omega$ 1600 $\Omega$

• question_answer63) Four cells each of en-if 1.5V and internal resistance 2$\Omega$ are connected in parallel. This combination sends a current to an external resistance 2$\Omega$. The value of current in external resistance is :

A) 1.8 A

B) 1.5 A

C) 0.8 A

D) 0.6 A

• question_answer64) A conductor wire, having ${{10}^{29}}\text{free }e/{{m}^{3}}$ carries a current 20A. If the cross-section of the wire is 1mm2 then the drift velocity of the electrons will be of the order of :

A) ${{10}^{-7}}m/s$

B) ${{10}^{-5}}m/s$

C) ${{10}^{-2}}m/s$

D) ${{10}^{-}}^{3}m/s$

• question_answer65) A fuse wire of radius 0.2 mm blows when current flowing is 5 A. For what value of current another fuse wire of same material but of radius 0.3 mm will blow?

A) 9.2 A

B) 4.5 A

C) 6.2 A

D) 12.2 A

• question_answer66) A charged particle moving in a uniform magnetic field penetrates a layer of lead and thereby losses one half of its kinetic energy. The radius of curvature of its path becomes :

A) $\frac{1}{\sqrt{2}}$

B) $\sqrt{2}$

C) $\frac{3}{\sqrt{2}}$

D) $\frac{2}{\sqrt{3}}$

• question_answer67) A conductor of length 1m and carrying current of 1A is placed perpendicular to the magnetic field of 1 Gauss. The magnetic force acting on the conductor is :

A) ${{10}^{-4}}N$

B) 1 dyne

C) 1 N

D) zero

• question_answer68) A neutron enters in a magnetic field of strength $\beta$ tesla perpendicular to the magnetic lines of force with speed $\upsilon$. The force on the neutron will be :

A) $e\upsilon B/2$

B) $\infty$

C) $C\upsilon B$

D) zero

• question_answer69) An inductor coil of inductance L is divided into two equal parts and both parts are connected in parallel. The net inductance is :

A) $\frac{L}{4}$

B) $4L$

C) $2L$

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

• question_answer70) A $L-C$ circuit has a natural frequency $f.$ If the capacitance and inductance are both doubled. The frequency would become :

A) $f/2$

B) $2f$

C) $f/4$

D) none of these

• question_answer71) The peak voltage of 220 V, AC mains is :

A) 240 V

B) 311 V

C) 152 V

D) 420 V

• question_answer72) A coil having an inductance of $\frac{1}{\pi }$ H is connected in series with a resistance of 300 $\Omega .$ If . 20 V, 200 Hz AC source is impressed across the combinations. The phase angle between voltage and current is :

A) ${{\tan }^{-1}}\frac{4}{3}$

B) ${{\tan }^{-1}}\frac{3}{4}$

C) ${{\tan }^{-1}}\frac{5}{4}$

D) ${{\tan }^{-1}}\frac{4}{5}$

• question_answer73) The speed of electron in first Bohr's orbit is c/137. The speed of electron in second Bohr's orbit will be :

A) $\frac{c}{274}$

B) $\frac{2c}{137}$

C) $\frac{4c}{137}$

D) $\frac{c}{548}$

• question_answer74) Neutron was discovered by :

A) Millikan

B) Henry and Strassoman

D) Bequerl

• question_answer75) The surface temperature of sun is nearly :

A) ${{10}^{6}}K$

B) ${{10}^{s}}K$

C) 10000 K

D) 5800K

• question_answer76) The maximum number of electron in $_{20}Ca$with quantum number $(n=2,\,\,\,m=1,\,\,\,s=-1/2)$is :

A) $1$

B) $2$

C) $3$

D) $4$

• question_answer77) Pure propanone can be prepared by ozonolysis of:

A) 1,2-dimethyl-2-butene

B) 1-pentene

C) 2-methyl-2-butene

D) 2,3-dimethyl-2-butene

• question_answer78) Principle/which gives a way to fill the electrons in the available energy levels is:

A) Fault's exclusion principle

B) Hund's rule

C) Aufbau's principle

D) None of these

• question_answer79) Which compound is obtained when formaldehyde is treated with ammonia?

A) Hexamethylene tetramine

B) Formaldoxime

C) Methyl amine

D) Formamide

• question_answer80) ${{E}_{n}}=-\frac{313.6}{{{n}^{2}}}$. If the value of ${{E}_{n}}=-34.84$to which' of the following values does 'n' correspond?

A) $4$

B) $3$

C) $2$

D) $1$

• question_answer81) The pressure of atmosphere air is$720\text{ }mm$. The pressure of water vapour in the air is:

A) $5.55$

B) $21$

C) $18$

D) zero

• question_answer82) The screening effect of 'd' electrons is:

A) equal to p-electrons

B) equal to s-electrons

C) much more than s-electrons

D) much less than s-electrons

• question_answer83) The constant 'a' in van der Wall's equation is maximum in :

A) $He$

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

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

D) ${{N}_{2}}$

• question_answer84) An element with atomic number 26 will be found in group :

A) $2$

B) $6$

C) $8$

D) $12$

• question_answer85) Choose the correct statement :

A) drops of liquid may acquire any shape depending on temperature

B) the melting points of metallic crystals may vary from very low to very high

C) water has concave upward meniscus

D) vapour of a liquid depends upon the shape of container vessel

• question_answer86) The covalent compound $HCl$has the ionic character as:

A) hydrogen and chlorine are gases

B) the electronegativity of chlorine is greater than that of hydrogen

C) the electronegativity of hydrogen is equal to chlorine

D) the electronegativity of hydrogen is greater than that of chlorine

• question_answer87) In case of an ideal gas undergoing isothermal transformation, the energy of the gas:

A) increases with volume

B) "decreases with volume

C) neither increases nor decreases with volume

D) none of these

• question_answer88) Ammonia gas can be dried by passing it over:

A) anhydrous $CaC{{l}_{2}}$

B) cone ${{H}_{2}}S{{O}_{4}}$

C) ${{P}_{2}}{{O}_{5}}$

D) $CaO$

• question_answer89) $O{{H}^{-}}$ ion concentration is pure water at ${{25}^{o}}C$is:

A) ${{10}^{-14}}M$

B) ${{10}^{-7}}M$

C) $7.0M$

D) zero

• question_answer90) The highest catenation ability is shown by:

A) selenium

B) oxygen

C) tellurium

D) sulphur

• question_answer91) Buffer capacity of a buffer solution is defined as:

A) number of moles of an acid or base when added to 100 ml of buffer solution causing no change in its pH value

B) number of moles of an acid (or base) when added to a solution causing to change in its pH by one

C) number of units pH that changed by adding 1 N acid or base to one litre of a buffer solution

D) number of moles of an acid or base when added to a litre of buffer solution causing no change $i-$ its pH value

• question_answer92) One gas bleaches the colour of flowers by reduction while the other by oxidation. They are:

A) $S{{O}_{2}}$and $C{{l}_{2}}$

B) $C{{l}_{2}}$ and ${{H}_{2}}S$

C) ${{H}_{2}}S$ and $B{{r}_{2}}$

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

• question_answer93) The rate constant for first order and second order reaction has the dimensions ${{s}^{-1}}$ and $d{{m}^{3}}\,\,mo{{l}^{-1}}\,{{s}^{-1}}$respectively. Predict that for reactions of an order 3:

A) $d{{m}^{-6}}\text{ }mo{{l}^{-2}}\text{ }{{s}^{-1}}~$

B) $d{{m}^{-6}}\text{ }mo{{l}^{-1}}\text{ }{{s}^{-1}}$

C) $mol\,d{{m}^{-6}}\,{{s}^{-1}}$

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

A) ${{H}_{2}}{{B}_{4}}{{O}_{7}}$

B) $B{{(OH)}_{3}}$

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

D) ${{H}_{4}}{{B}_{6}}{{O}_{11}}$

• question_answer95) During electrolysis of copper sulphate solution using platinum electrodes:

A) $S{{O}_{4}}^{-1}$ ions are discharged at anode

B) ${{O}_{2}}$ is evolved at anode

C) $C{{u}^{+2}}$ are formed at anode

D) ${{H}_{2}}$ is liberated at anode

• question_answer96) Which, is not a mineral of aluminium?

A) Cryolite

B) Diaspore

C) Anhydrite

D) Bauxite

• question_answer97) Transition of an electron from $n=3$level to $n=1$level results in:

A) infrared spectrum

B) continuous spectra

C) absorption spectra

D) emission spectra

• question_answer98) Bauxite is an oxide mineral of:

A) aluminium

B) bismuth

C) boron

D) barium

• question_answer99) Elements with outer electronic configuration $(n-1)\,{{s}^{2}}(n-1){{d}^{5}}\,n{{s}^{2}}$ belong to:

A) copper family

B) manganese

C) chromium family

D) iron family

• question_answer100) Pick up the false statement:

A) dry ice is a covalent solid

B) dry ice sublimes on heating

C) dry ice is used as a refrigerant

D) solid $C{{O}_{2}}$ is known as dricold

• question_answer101) The molecule which has pyramidal shape is:

A) $S{{O}_{3}}$

B) $N{{O}_{2}}$

C) $C{{O}_{3}}$

D) $PC{{l}_{5}}$

• question_answer102) The decomposition ' temperature is maximum for:

A) $MgC{{O}_{3}}$

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

C) $BaC{{O}_{3}}$

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

• question_answer103) In a given compound the bonding forces are at short range and are spherically distributed. The type of bonding referred to is called:

A) covalent bonding

B) metallic bonding

C) hydrogen bonding

D) ionic bonding

• question_answer104) A pseudo solid is:

A) rock salt

B) diamond

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

D) glass

• question_answer105) Which of the following element does not react with sulphur to form sulphides?

A) $Bi$

B) $P$

C) $As$

D) $N$

• question_answer106) In photography we use:

A) $AgCl$

B) $AgBr$

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

D) $AgI$

• question_answer107) Which of the following does not represent correctly the properties of ${{H}_{2}}S$?

A) $KMn{{O}_{4}}+{{H}_{2}}S{{O}_{4}}+{{H}_{2}}S\xrightarrow{{}}MnS{{O}_{4}}$

B) ${{H}_{2}}S+{{H}_{2}}S{{O}_{4}}\xrightarrow{{}}S{{O}_{2}}+S$

C) $FeC{{l}_{2}}+{{H}_{2}}S\xrightarrow{{}}FeC{{l}_{3}}$

D) ${{H}_{2}}S+S{{O}_{2}}\xrightarrow{{}}S+{{H}_{2}}O$

• question_answer108) The total number of orbitals in the fifth energy level is:

A) $5$

B) $10$

C) $18$

D) $25$

A) $CFC{{l}_{3}}$

B) $C{{F}_{2}}C{{l}_{2}}$

C) $C{{F}_{2}}Cl$

D) $CCl{{F}_{3}}$

• question_answer110) The number of enantiomers of the compound $C{{H}_{3}}CHBrCOOH$is:

A) $4$

B) $3$

C) $1$

D) $0$

• question_answer111) Tinture of iodine is:

A) solution of iodine in $CC{{l}_{4}}$

B) solution of iodine in ethanol

C) $KI{{O}_{3}}$

D) $CH{{I}_{3}}$

• question_answer112) Which one of the following $C-H$ bonds is the weakest for homolytic fission?

A) $C{{H}_{3}}-H$

B) ${{({{C}_{6}}{{H}_{5}})}_{3}}C{{H}_{2}}-H$

C) ${{C}_{6}}{{H}_{5}}-H$

D) ${{({{C}_{6}}{{H}_{5}})}_{3}}C-H$

• question_answer113) An alloy of the following alkali metal is used to prepare anti clock reagent for petrol:

A) $Rb$

B) $K$

C) $Na$

D) $Li$

• question_answer114) The I.U.P.A.C. name of ${{({{C}_{2}}{{H}_{5}})}_{2}}.CH-C{{H}_{2}}OH$is:

A) 2-ethyl pentanol-1

B) 2-methyl pentanol-1

C) 3-ethyl pentanol-1

D) 2-ethyl butanol-1

A) $HgC{{l}_{2}}~$

B) $H{{g}_{2}}C{{l}_{2}}$

C) $HgC{{l}_{2}},HgO~~~~$

D) $HgC{{l}_{2}}-PbC{{l}_{2}}$

• question_answer116) The total number of acyclic isomers including the stereoisomers with the molecular formula ${{C}_{4}}{{H}_{7}}Cl$is:

A) $9$

B) $10$

C) $11$

D) $12$

• question_answer117) The I.U.P.A.C. name of $C{{H}_{3}}-C{{H}_{2}}-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{\underset{CH-C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,}}\,}}\,H-\overset{C{{H}_{3}}}{\mathop{\overset{|}{\mathop{C}}\,}}\,H-C{{H}_{3}}$

A) 2,4-di-methyl-3-ethyl pentane

B) 2-ethyl-2,4-dimethylpentane

C) 2-methyl-3-isopropyl pentane

D) 3-isopropyl-2-methyl pentane

• question_answer118) Which of the following/is most soluble?

A) $MnS({{K}_{sp}}=7\times {{10}^{-16}})$

B) $A{{g}_{2}}S({{K}_{sp}}=6\times {{10}^{-51}})$

C) $B{{i}_{2}}{{S}_{3}}({{K}_{sp}}=1\times {{10}^{-72}})$

D) $CuS({{K}_{sp}}=8\times {{10}^{-32}})$

• question_answer119) Of the given resonating structures of formic acid: the most stable one is

A) $IV$

B) $III$

C) $II$

D) $I$

• question_answer120) Lightest metal in the periodic table is:

A) $Mg$

B) $Be$

C) $Hg$

D) $Li$

• question_answer121) Aliphatic cyclic compounds are known as:

A) alicyclic compounds

B) polycyclic compounds

C) cyclic compounds

D) acyclic compounds

• question_answer122) The reaction $A+2B+C\to Z$ occurs by the following mechanism : (i) $A+B\xrightarrow{{}}''X''$(fast) (ii) $X+C\xrightarrow{{}}Y$(slow) (iii) $V+B\xrightarrow{{}}X$(very fast) Rate law for this reaction is:

A) $K[X][Y][Z]$

B) $K[Z]$

C) $K[A]{{[B]}^{2}}[C]$

D) $K[C]$

• question_answer123) Vapour phase nitration of ethane gives:

A) nitro ethane

B) nitro methane

C) 2-nitro propane

D) 1-nitro propane

• question_answer124) Entropy change $(\Delta S)$ is positive for the following:

A) $21\,(g)\xrightarrow{{}}{{I}_{2}}(g)$

B) $CaC{{O}_{3}}(s)\xrightarrow{\Delta }CaO(s)+C{{O}_{2}}(g)$

C) ${{H}_{2}}O(l)\xrightarrow{{}}{{H}_{2}}O(s)$

D) $N{{a}^{+}}(g)+C{{l}^{-}}(g)\xrightarrow{{}}NaCl(s)$

• question_answer125) Ethylene glycol is formed when:

A) ethylene chlorohydric is distilled with concentrated potassium hydroxide solution

B) ethylene bromide is boiled with sulphuric acid

C) ethene is treated with an alkaline potassium permanganate solution

D) propene is treated with water in the presence of sulphuric acid

• question_answer126) Number of neutrons m a parent nucleus X, which gives $_{7}{{N}^{14}}$ after two successive P-emission would be:

A) $7$

B) $6$

C) $9$

D) $8$

• question_answer127) The oxidation number of Pt in ${{[Pt({{C}_{2}}{{H}_{4}})C{{l}_{3}}]}^{-}}$is:

A) $+1$

B) $+4$

C) $+2$

D) $+3$

• question_answer128) Which is the lightest form of sulphur?

A) Plastic sulphur

B) Monoclinic sulphur

C) Rhombic sulphur

D) Cannot say

• question_answer129) Which of the following compounds of silicon is used as as abrasive and refractory material?

A) Silicon tetrachloride

B) Silicon carbide

C) Calcium silicate

D) Magnesium silicate

• question_answer130) The normality of 26% (weight/volume) solution of ammonia (density$=0.855$) is approximately:

A) $0.4$

B) $1.5$

C) $4.0$

D) $15.3$

• question_answer131) In chromyl chloride test, the reagent used is:

A) ${{K}_{2}}Cr{{O}_{4}}$

B) $Cr{{O}_{3}}$

C) ${{(N{{H}_{4}})}_{2}}C{{r}_{2}}{{O}_{7}}$

D) ${{K}_{2}}C{{r}_{2}}{{O}_{7}}$

A) polyamide

B) polyester

C) polypropylene

D) polyethylene

• question_answer133) Asprin is common name for:

A) phenyl salicylate

B) nitro salicylate

C) methyl salicylate

D) acetyl salicylate acid

• question_answer134) The empirical formula of a compound is $C{{H}_{2}}$1 mole of this compound has a mass of$42g$. Its molecular formula is:

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

B) $C{{H}_{2}}$

C) ${{C}_{3}}{{H}_{8}}$

D) ${{C}_{3}}{{H}_{6}}$

• question_answer135) The most probable velocity (in cm/sec) of hydrogen molecules at ${{27}^{o}}C$, will be:

A) $19.3\times {{10}^{4}}$

B) $17.8\times {{10}^{4}}$

C) $24.93\times {{10}^{9}}$

D) $17.8\times {{10}^{8}}$

• question_answer136) Rickets is caused due to deficiency of:

A) vitamin A

B) vitamin B-complex

C) vitamin D

D) vitamin C

• question_answer137) Phenolphthalein is a suitable indicator for titrating of an acid with a strong base because the pH transition range is:

A) $6-8$

B) $<6$

C) $>8$

D) none of these

• question_answer138) Which of the following equation does not represent Charle's, law for a .given mass of a gas?

A) $V=KT$

B) ${{V}_{1}}={{V}_{0}}\frac{{{T}_{0}}}{{{T}_{t}}}$

C) ${{V}_{t}}={{V}_{0}}\left( 1+\frac{t}{273} \right)$

D) ${{\left( \frac{{{\partial }^{2}}V}{\partial {{T}^{2}}} \right)}_{p}}=6$

• question_answer139) The rate constant for the reaction$2{{N}_{2}}{{O}_{5}}\to 4N{{O}_{2}}+{{O}_{2}}$ is $3.0\times {{10}^{-5}}\,{{\sec }^{-1}}$. If the rate is $2.4\times {{10}^{-5}}mol$$2.4\times {{10}^{-5}}mol\,litr{{e}^{-1}}\,{{\sec }^{-1}}$, then the concentration of ${{N}_{2}}{{O}_{5}}$ (in $mol\text{ }litr{{e}^{-1}}$) is:

A) $1.4$

B) $1.2$

C) $0.8$

D) $0.04$

A) increases the average kinetic energy of molecules

B) increases the activation energy

C) alters the reaction mechanism

D) increases the frequency of collisions of reacting molecules

• question_answer141) Which is not a colligative property?

A) optical activity

B) elevation in B.P.

C) depression in I.P.

D) osmotic pressure

• question_answer142) The freezing point of a $0.05$molal solution of a non-electrolyte in water is:

A) $-{{0.093}^{o}}C$

B) ${{1.86}^{o}}C$

C) ${{0.93}^{o}}C$

D) ${{0.093}^{o}}C$

• question_answer143) If the ${{H}^{+}}+O{{H}^{-}}\to {{H}_{2}}O+13.7kcal$, then heat of complete neutralisation of 1 g mole ${{H}_{2}}S{{O}_{4}}$with a base will be:

A) $13.7kcal$

B) $27.4kcal$

C) $6.85\text{ }kcal$

D) $3.425kcal$

• question_answer144) Chlorine acts as a bleaching agent only in the presence of:

A) dry air

B) moisture

C) sun light

D) pure oxygen

• question_answer145) The type of isomerism exhibited by maleic and fumaric acid is:

A) functional isomerism

B) optical isomerism

C) cis-trans isomerism

D) position isomerism

• question_answer146) Terylene is a condensation polymer of ethylene glycol and:

A) terephthalic acid

B) salicylic acid

C) phthalic acid

D) benzoic acid

• question_answer147) The de Broglie equation treats an electron to be:

A) a wave

B) a particle

C) both (a) and (b)

D) none of these

• question_answer148) By the action of cone. $HCl$ on potassium chlorate we get:

A) ${{O}_{2}}+C{{l}_{2}}+Cl{{O}_{2}}$

B) $C{{l}_{2}}+Cl{{O}_{2}}$

C) ${{O}_{2}}+Cl{{O}_{2}}$

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

• question_answer149) The entropy of universe:

A) increasing and tending towards maximum value

B) decreasing and tending to zero

C) remains constant

D) decreasing and increasing with a periodic rate

• question_answer150) In clatherates of xenon with water, the nature of bonding between xenon and water molecule:

A) dipole induced dipole interaction

B) co-ordinate

C) hydrogen bonding

D) covalent

• question_answer151) The antibiotic terramydn is obtained from :

A) Streptomyces griseus

B) Streptomyces remosus

C) Clostridium botulinum

D) Streptomyces veneznelne

• question_answer152) The cell theory was proposed by :

A) Schleiden and Schwann

B) Hugo de Vries

C) Robert Hooke

D) R. Virchow

• question_answer153) The division of the plant kingdom into prokaryota and eukaryota is based on the character is of :

A) nucleus

B) chromosomes only

C) cell organelles

D) all of these

A) hallucination

B) damage to lungs

C) mental and emotional disturbances

D) damage to kidneys

• question_answer155) In India the best aquarium is located at :

A) Z.S.I. Calcutta

B) Tarapur, Bombay

D) Vishakhapatnam

• question_answer156) Which one of the following is not use in the production of yogurt ?

A) Streptococcus Iactis

B) Streptococcus thermophillus

C) Lactobacillus bulgnricus

D) Acetobacter aceti

• question_answer157) Which one of the following is used in the production of alcohol?

A) Leuconostoc citrorum

B) sacchromyces cereuisiae

C) Torulopsis utilis

D) Clostridium botulinum

• question_answer158) EGA (blue-green algae) is chiefly used as biofertilizer in the crop of :

A) Wheat

B) Gram

D) Mustard

A) molecule that specifically inactivates an antigen

B) WBC which engulfs bacteria

C) secretion of mammalian RBC

D) component of nucleus

• question_answer160) Syphilis is a sexually transmitted disease (STD) caused by :

A) Pasteurella

B) Leptospira

D) Vibrio

• question_answer161) Cancer is related to :

A) uncontrolled growth of tissues

B) old age

C) controlled division of tissues

D) none of these

• question_answer162) RR-21 is high yielding variety of :

A) Rice

B) Wheat

C) Gram

D) Sugarcane

• question_answer163) The edible part of Ground nut is buried in the soil and morphologically it is a:

A) root

B) stem

C) fruit

D) leaf

• question_answer164) Parasexual hybridization means :

A) fusion of male gamete with female gamete

B) fusion of male gamete with synergid nucleus

C) fusion of somatic protoplasts

D) fusion of male gamete with protoplast

• question_answer165) Deficiency of calciferol causes :

A) scurvy

B) malaria

C) leukemia

D) rickets

A) increase in blood sugar level

B) decrease in serum calcium level

C) increase in serum calcium level

D) decrease in blood sugar level

• question_answer167) Patella is associated with :

A) elbow

B) knee

C) neck

D) wrist

• question_answer168) Rennin is released from:

A) liver

B) stomach

C) juxtaglomerular apparatus

D) spleen

• question_answer169) Four different types of chromosomes but of the same size are sequenced as :

A) telocentric, metacentric, acrocentric submetacentric

B) metacentric, acrocentric, submetacentric telocentric

C) metacentric, submetacentric, acrocentric telocentric

D) metacentric, telocentric, acrocentric, submetacentric

• question_answer170) DNA is present in :

A) nucleus only

B) mitochondrion only

C) chloroplast only

D) all the above

• question_answer171) Animal cells differ from plant cells in having :

A) centrosome

B) golgi body

C) vacuole

D) plastid

• question_answer172) All the following involves osmosis except which case:

A) water entering from soil into root hair

B) water passing from root hair to an adjacent cell

C) water passing up on xylem vessel element to xylem vessel element above

D) water entering a mesophyll cell from the xylem vessel

• question_answer173) Insectivorous plants can grow well in the soil deficient in :

A) calcium

B) magnesium

C) nitrogen

D) iron

• question_answer174) Which of the following can use elemental nitrogen as their nitrogen source?

A) Anabaena

B) Rhizobium

C) Azotobacter

D) All of these

• question_answer175) The response of plants to light was first of all discovered by :

A) Lamarck

B) Darwin

C) Thimann

D) Went

• question_answer176) Muscle tone' is defined as :

A) voluntary resistance to passive strength

B) involuntary resistance to passive strength

C) stimulated resistance to passive strength

D) none of these

• question_answer177) Which of the following glands is not associated with male reproductive system?

A) Perineal gland

B) Bartholin gland

C) Prostate gland

D) Testis

• question_answer178) Primitive wild wheat was :

A) Triticum boeoticus

B) Triticum monococcum

C) Triticum turgidum

D) Aegilops speltoides

• question_answer179) Which is most rich in rod cells?

A) Cornea

B) Choroid

C) Retina

D) Fovea

• question_answer180) Rigidity developes in the muscles after death is known as rigor mortis. On an average it starts second hour after death and is completed in three hours. If first appears in :

A) face

B) lower jaw

C) neck and throat

D) abdomen

• question_answer181) If a muscle contracts at all, it will contract to its maximum size, provided the conditions remain same otherwise it will not contract. It is known as:

A) isotonic contraction

B) rigor mortis

C) all or none law

D) isometric contraction

• question_answer182) The muscle which is immune of fatigue is :

A) unstriped muscle

B) striped muscle

C) cardiac muscle

D) none of these

• question_answer183) The bone of a mammal contains Haversian canals which are connected by transverse canals called as :

A) Bidder's canal

B) Semicircular canals

C) Volkmann's canal

D) Eustachian canal

• question_answer184) The difference between blood and lymph :

A) blood has RBC while lymph is without cells

B) blood has RBC while lymph has not RBC

C) blood has WBC while lymph has RBC

D) blood has dissolved salts while lymph has not salts

• question_answer185) The horn of Rhinocerose are composed of :

A) bone

B) cartilage

C) chitin

D) keratin

• question_answer186) Major constituent of vertebrate bone is :

A) calcium phosphate

B) calcium chloride

C) calcium oxalate

D) calcium sulphate

• question_answer187) Mesogloea is found in :

A) Amoeba

B) Sponges

C) Hydra

D) Earthworm

• question_answer188) Why do mammals lack mucous gland in their skin?

A) Epidermis has many layer of cells

B) Skin is tough

D) Skin is not respiratory

• question_answer189) Integument is usually called jack of all things' becuase :

A) performs various furrtions

B) is most incomplete orgen

C) gives shape to various structures of body

D) protects the body

• question_answer190) Total number of bones in child is :

A) 206

B) 210

C) 200

D) 300

• question_answer191) Patella is one of the following types of bone ?

A) Seamed bone

B) Replacing bone

C) Investing bone

D) None of these

• question_answer192) Absence of finger is characteristic of :

A) Monkey

B) Man

C) Rabbit

D) Frog

A) enemial crest

B) olecranon fossa

C) trochlea

D) sigmoid notch

• question_answer194) Humerus differ from the femur in having :

A) sigmoid notch

B) glenoid cavity

C) deltoid ridge

D) spine

• question_answer195) A nucleus pulposus is found in :

A) skull

B) pelvic girdle

C) neuron

D) intervertebral disc

• question_answer196) A bone furcula is typically found in :

A) Reptiles

B) Frogs

C) Birds

D) Mammals

• question_answer197) Sella turcica is a :

A) covering of kidney

B) covering of testis

C) depression in skull

D) depression in brain

• question_answer198) Astagalus and calcaneum are found in :

A) fore limbs of Frog

B) fore limbs of Rabbit

C) hind limbs of Body

D) hind limbs of Rabbit

• question_answer199) A bone left in 10% KOH solution for about 3 days will:

A) remain as it is

B) become soft and elastic

C) crack to pieces

D) dissolve completely

• question_answer200) Nutrient foramen is found in :

A) humerus of Mammal

B) humerus of Frog

C) tibio fibula .of Mammal

D) tibio fibula of Frog

• question_answer201) From the carotenes, vitamin A is synthesis in:

A) pancreas

B) skin

C) spleen

D) none of these

• question_answer202) Anaemia is caused by deficiency of vitamin :

A) B-complex

B) D

C) E

D) A

• question_answer203) Too much use of one of these should be avoided during hot months :

A) vitamins

B) mineral salts

C) fats

D) proteins

• question_answer204) In cold constriction of its form a series of small pockets called :

A) taenide

B) crypts of Lieberkuhn

C) zymogen cells

D) havstra

• question_answer205) Crypts by Lieberkuhn form :

A) gastric juice

B) succus entericus

C) bile juice

D) succus rotundrus

• question_answer206) Which of these is a group of end products of carbohydrate digestion ?

A) Sucrose galactose, maltose

B) Galactose, glucose, maltose

C) Glucose, galactose, fructose

D) None of these

• question_answer207) Glycogen is stored in :

A) liver

B) muscle

C) liver and muscles

D) pancreas

• question_answer208) From the point of ontogeny liver is :

A) ectodermal

B) endodermal

C) mesodermal

D) both 'a' and 'b'

• question_answer209) Succulus rotundus is a dilated spherical part at posterior end of :

A) villi

B) ileum

C) colon

D) oesophagus

• question_answer210) Which of these is different from the other three?

A) Gastrin

B) ducagon

C) Secretin

D) Ptyalin

• question_answer211) Forced deep breathing few minutes by a person sitting at rest may be followed by cessation by breathing temporarily. This influences :

A) too much ${{O}_{2}}$ in blood

B) too much $C{{O}_{2}}$ in blood

C) very little $C{{O}_{2}}$ in blood

D) both 'a' and

• question_answer212) ${{O}_{2}}$content in the air we expire is:

A) 4%

B) 20%

C) 16%

D) 25%

• question_answer213) It a man from sea coast of Kerala goes to Mount Everest :

A) his breathing rate will increase

B) both decrease

C) breathing rate will increase and heart- rate will decrease

D) breathing rate will decrease a heart rate will increase

• question_answer214) Somaclonal variations are variations appearing during:

A) hybrid vigour or heterosis

B) micro propagation

C) tissue culture

D) somatic embryogenesis

• question_answer215) Concentration of ${{H}_{2}}C{{O}_{3}}$ does not increase in blood due to presence :

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

B) ${{K}^{+}}$

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

D) $M{{g}^{+2}}$

• question_answer216) Common phase between aerobic and anaerobic respiration is :

A) tricarboxylic cycle

B) oxidative phosphorylation

C) glycolysis

D) Krebs' cycle

• question_answer217) Which of the following is the metabolic waste of proteins, metabolism?

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

B) Urea, ${{O}_{2}},\text{ }{{N}_{3}}$

C) Urea, $N{{H}_{4}},$ alanine

D) Urea, $N{{H}_{3}},$ creatinine

• question_answer218) When muscles get fatigued, select the best condition there is:

A) little ATP, little glycogen and much lactic acid

B) much ATP, much glycogen and much lactic acid

C) little ATP, much glycogen and little lactic acid

D) much ATP, no glycogen no lactic acid

• question_answer219) Maximum energy is produced by :

A) minerals

B) proteins

C) vitamins

D) fats

• question_answer220) Production of haploid plants from anther culture came from the work of :

A) Khush and Jena

B) Maheshwari and Guha

C) S. Swaminathan

D) Maheshwari and Swaminathan

• question_answer221) Erythrocytes of mammals are non-nucleated except in :

A) Man

B) Camel

C) Monkey

D) Rabiit

A) a liquid ground substance

B) a liquid connective tissue

C) tissue

D) not a tissue

• question_answer223) Which of the following organs can be called asort of blood bank for body's requirement?

A) Lungs

B) Spleen

C) Liver

D) Heart

• question_answer224) How many minutes coagulation of blood in a wound normally take?

A) 6-12

B) 12-16

C) 2-8

D) 16-20

• question_answer225) Pathogen free plants are obtained from :

A) callus culture

B) shoot apex culture

C) root apex culture

D) embryoid culture

• question_answer226) In our body the renewal of all the red blood cell take place :

A) every year

B) every six months

C) every four months

D) every month

• question_answer227) If a person have clotting time more than normal, this is due to :

A) haemoglobin

B) anaemia

C) deficiency of vitamin C

D) reduced thrombin

• question_answer228) The cells in blood that are most affected by change in oxygen tension in the blood are :

A) basophils

B) neutrophils

C) erythrocytes

D) oxyphils

• question_answer229) The clumping of red cells because of wrong transfusion be :

A) agglutination

B) rouleaux formation

C) haemolysis

D) erythrocytosis

• question_answer230) Chordae tendinae are found in :

A) ventricles of brain

B) joints

C) auricles of heart

D) ventricles

• question_answer231) Which of the antibody accompanies the Rh-factor?

A) B

B) A

C) AB

D) None of these

• question_answer232) First heart sound is :

A) dup sound at beginning of ventricular systole

B) lubb sound at beginning of ventricular systole

C) dub of dup sound at the end of systole

D) lubb sound at the end of systole

• question_answer233) If more $C{{O}_{2}}$ is produced during rapid cell respiration, this will:

A) accelerate the heart beat

B) reduce the heart beat

C) have no effect on heart beat

D) increase the ventricular system only

• question_answer234) Artery supplying blood to diaphragm is :

A) phrenic

B) renal

C) pulmonary

D) mesenteric

• question_answer235) Auriculo ventricular node in human heart was discovered by :

A) William Harvey

B) Lowis

C) His

D) Ringer

• question_answer236) Composition of blood is regulated by :

A) thyroid

B) lungs

C) brains

D) kidneys

• question_answer237) Which of the following blood vessels in mammals would normally carry largest amount of urea?

A) Hepatic vein

B) Renal vein

C) Hepatic portal vein

D) Dorsal aorta

• question_answer238) Capillaries of glomeruli are :

A) entirely venous

B) entirely arterial

C) venous and arterial

D) none of these

• question_answer239) The high threshold substances are :

A) glucose, sodium, protein

B) glucose, sodium, amino acids

C) urea, uric acid, protein

D) glucose sodium, calcium

• question_answer240) Main function of cerebellum is :

A) will power

B) control of involuntary actions

C) co-ordination of voluntary actions

D) memory

• question_answer241) Memory weakens if one of the following part is injured :

A) medulla

B) cerebellum

C) cerebrum

D) hypothalamus

A) eikorn Wheat

B) emmur Wheat

C) hexaploid Wheat

D) durum Wheat

• question_answer243) Hypothalamus forms the floor and lower part of:

A) 3rd ventricle

B) optocoel

C) lateral ventricle

D) 4th ventricle

• question_answer244) Power of regeneration is minimum in :

A) brain cell

B) liver cell

C) bone cell

D) muscle cell

• question_answer245) Which of the following is not a reflex action?

A) Secretion of sweat

B) Flexion due to needle pinch

C) Salivation

D) Blinking of eyes due to strong light

• question_answer246) Parasvmphathetic nervous system increased the activity of :

A) lachrymal glands, sweat glands, arrector pilli

B) heart, lachrymal glands, pancreas

C) heart, adrenal and sweat glands

• question_answer247) Sodium pump of an axon is operative at:

A) action potential period

B) resting potential period

C) refractory period

D) none of these

• question_answer248) Occulomotor nerve arises from crura cerebri and innervates :

A) ear drum

B) ear canals

C) skin of nose, orbit and snout

D) eye muscles

• question_answer249) Which of the sensory organ is involved when you feel an earth quake?

A) Proprioreceptors

B) Ears

D) Eye

• question_answer250) Least distance of distinct vision for a person suffering from hypermetorpia is :

A) 25cms

B) infinity

C) less than 25cms

D) greater than 25cms

• question_answer251) Long eyeball relation to its refracting power is :

A) long sight

B) myopia

C) astigmastism

D) hypermetropia

• question_answer252) The ear pinna in mammals has :

A) protective function

B) sound collecting function

C) sound perceiving function

D) none of these

• question_answer253) How many types of sensations can skin perceive?

A) Two

B) Five

C) Four

D) Six

• question_answer254) Macaroni is obtained from :

A) Oryza saliva

B) Triticiim durum

C) Triticwn aestivum

D) Sorghum vulgare

• question_answer255) Oviducal funnel is situated hear the :

A) base of ovary

B) base of lung

C) oesophagus

D) top of ovary

• question_answer256) Clitoris in female mammals is :

A) homologous to penis of male

B) analogous to penis of male

C) vestigeal structure

D) overgrowth

• question_answer257) A placenta in mammalian embryo forms from:

A) amnion

B) yolk sac

C) allantois

D) chorion

• question_answer258) Insects have blood in their body which:

A) resembles human blood in colour

B) circulates through blood vessels

C) circulates through open systems

D) has haemoglobin cells

• question_answer259) Milk glands are found in :

A) all vertebrates

B) all mammals

C) all placental mammals

D) all prototherians only

• question_answer260) Study of Plasmodium and Amoeba is termed as :

A) Parasitology

B) Cytology

C) Protozoology

D) Parazoology

• question_answer261) Study of behaviour of animals is known as :

A) Ecology

B) Sociology

C) Ethology

D) Anthropology

• question_answer262) No metamorphosis occurs in :

A) Frog

B) Ascaris

C) Earthworm

D) Tapeworm

• question_answer263) India is the largest producer of which oil seed ?

A) Helianthus annns

B) Arachis hypogea

C) Gossypium

D) Brassica campestris

• question_answer264) A snake can be distinguished from the Lizard by the absence of :

A) limbs and girdles

B) limbs and tympanum

C) limbs, girdles and tympanum

D) limbs, girdles, tympanum and sternum

• question_answer265) Only poisonous Lizard of the world is :

A) Ophiosanrus

B) Draco

C) Varnnus

D) Heroderma

• question_answer266) Which set of 'species' names belong to same genus ?

A) histolytica and coli

B) gingiualis and protens

C) protens and coli

D) uiuax and coli

• question_answer267) Life history of Plasmodium is :

A) digenetic

B) monogenetic

C) dizygotic

D) none of these

• question_answer268) Millets differ from major cereals in being :

A) smaller, rounded and course

B) larger and softer

C) with better nutrition

D) infant foods

• question_answer269) Agriculture loss due to pests and disease is :

A) 30%

B) 40%

C) 20%

D) 50%

• question_answer270) Regulation of water in body is called :

A) homeostasis

B) excretion

C) paedogenesis

D) osmoregulation

• question_answer271) Discharge of nematocysts depend upon :

A) hormones

B) vitamins

C) proteins

D) enzymes

• question_answer272) Number of tentacles in Hydra is:

A) two to four

B) six to ten

C) ten to fourty

D) fourty to fifty

A) organochloride

B) organophosphate

C) carbamate

D) pyrethroid

• question_answer274) A piece- of Hydra will regenerate into a full Hydra if it contains a part of :

A) epidermis

B) epidermis and gastrodermis

C) basal disc

D) epidermis, gastrodermis and tentacles

• question_answer275) The herbicide derived from urea is :

A) 2, 4-D

B) dinitrophenol

C) 2, 4, 5-T

D) simazine

• question_answer276) One of the effect of infection of Taenia in man is:

A) loss of appetite

B) irritation of gut

C) erruption on body

D) scabiasis

• question_answer277) For ovulation in reflex ovulators :

A) coitus is not necessary

B) coitus is necessary

C) plenty of food is necessary

D) plenty of food is not necessary

• question_answer278) Monoestrous animals are those which have :

A) one menses each month

B) one ovulation each month

C) one egg

D) one breeding season in the year

• question_answer279) Cowper's gland is present in :

A) Cockroach

B) Rabbit

C) Earthworm

D) Frog

• question_answer280) Genes which confirm antibiotic resistance on bacteria are located on :

A) chromosomal DNA

B) plasmid

C) RNA

D) polysome

• question_answer281) A granal chloroplast occurs in certain :

A) succulent

B) ${{C}_{4}}$ plants

C) hydrophytes

D) ${{C}_{3}}$ plants

• question_answer282) In the middle lamella of plant cell walls one of the main elements is :

A) iron

B) calcium

C) magnesium

D) potassium

• question_answer283) In mongolism a patient shows :

A) monosomy

B) barr body

C) trisomy

D) none of these

• question_answer284) Which of the following is not related to chromosomal aberration?

A) Euploidy

B) AIDS

C) Aneuploidy

D) Klinefelter's syndrome

• question_answer285) Growth in most warm blooded vertebrates is :

A) determinate

B) indeterminate

C) uncontrolled

D) none of these

• question_answer286) The enzyme which can cut molecules of DNA into segments is known as :

A) DNA polymerase

B) DNA ligase

C) restriction enzyme

D) DNA gyrase

• question_answer287) Which one of the following is not a mutagen?

A) Acetic acid

B) Hydroxylamine

C) Nitrous acid

D) y-rays

• question_answer288) Marriage between one of the following pairs may cause child death?

A) $R{{h}^{+}}$ father and $R{{h}^{-}}$ mother

B) $R{{h}^{-}}$father and $R{{h}^{+}}$ mother

C) $R{{h}^{+}}$ father and $R{{h}^{+}}$ mother

D) $R{{h}^{-}}$ father and $R{{h}^{-}}$ mother

• question_answer289) Bowmann's capsule occurs in :

A) kidney

B) pancreas

C) pituitary body

• question_answer290) Lateral ventricles are found in:

A) heart

B) brain

C) thyroid

D) both 'a' and 'b'

• question_answer291) Which blood group is the universal donor?

A) A

B) B

C) AB

D) 0

• question_answer292) Movement of sperm is done by :

A) tail

C) acrosome

D) mitochondria

• question_answer293) During embryonic development endoskeleton and muscles develop form which germinal layer?

A) Ectoderm

B) Endoderm

C) Mesoderm

D) Yolk plug

• question_answer294) In which stage blastopore is found?

A) Blastula

B) Morula

C) Gastrula

D) Neurula

• question_answer295) What is the function of amnion?

A) Respiration

B) Excretion

C) Nutrition

D) Protection from shocks

• question_answer296) The pH of succus entericus is :

A) 7.8

B) 6.6

C) 5.6

D) 2.0

• question_answer297) Where would you find mast cells?

B) Areular tissue

C) Yellow fibrous tissue

D) White fibrous tissue

• question_answer298) A well-known bird sanctuary of our country is situated at :

A) Bandipur

B) Kaziranga

C) Palamu

D) Bharatpur

• question_answer299) Which one of the following is not pesticide?

A) Aldrin

B) Endrin

C) DDT

A) natural insecticide

B) bioherbicide

C) natural herbicide

D) bio chemical herbicide