# Solved papers for RAJASTHAN PMT Rajasthan - PMT Solved Paper-1998

### done Rajasthan - PMT Solved Paper-1998

• question_answer1) Which nature of light is exposed by its diffraction and interference?

A) Nature of light is electromagnetic

B) Wave nature of light

C) Quantum nature of light

D) Longitudinal nature of light

• question_answer2) What is unit of magnetic permeability?

A) $\frac{\text{weber}}{\text{amper-metre}}$

B) $\frac{\text{weber}}{\text{metre}}$

C) $\frac{\text{tesla}}{\text{ampere}}$

D) $\frac{\text{tesla}}{\text{metre}}$

• question_answer3) Lowest wavelength of X-rays in continuous spectrum is:

A) $\frac{eV}{ch}$

B) $\frac{ch}{eV}$

C) $\frac{c}{heV}$

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

• question_answer4) Which is not the unit of work out of these?

A) watt-sec

B) N-m

C) kg-m/s

D) Joule

• question_answer5) The moment of inertia and mass of hollow sphere and solid sphere is equal then what is ratio between their radius?

A) 1 : 2

B) $\sqrt{3}:\sqrt{5}$

C) $\sqrt{5}:\sqrt{3}$

D) 5 : 4

• question_answer6) In depletion layer which are present:

A) only electron

B) only holes

C) electron and holes

D) none of these

• question_answer7) Due to which oil rises up with the help of piece of cloth in lamp:

A) viscosity of oil

B) capillary method

C) surface tension

D) none of these

• question_answer8) In ${{H}_{2}}$ molecule (atom) its total energy is proportional to:

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

B) n

C) $\frac{1}{n}$

D) $\frac{1}{{{n}^{2}}}$

• question_answer9) What will be the effect on potential barrier on decreasing forward voltage in p-n function diode:

A) increase

B) decrease

C) no effect

D) none of these

• question_answer10) Which is the best device to measure e.m.f. of a cell:

A) Voltmeter

B) Voltmeter

C) Ammeter

D) Potentiometer

• question_answer11) Which value cannot be measured by potentiometer?

A) Resistance

B) Capacity

C) Electric current

D) Potential

• question_answer12) If Fresnels biprism experiment is held in water in spite of air, then what will be the effect on fringe width :

A) decrease

B) increase

C) no effect

D) none of these

• question_answer13) Moment of inertia is minimum in cube when:

C) about centre of mass and passes through the axis

D) alt of these

• question_answer14) What is the condition for lowest power defect in A.C. circuit?

A) High resistane high inductance

B) High resistance low inductance

C) Low resistance high inductance

D) Low resistance and low inductance

• question_answer15) X-rays are produced in laboratory by:

B) decomposition of the atom

C) bombardment of high energy electron on heavy metal

D) none of these

• question_answer16) Find out the true relation:

A) ${{e}_{\lambda }}{{a}_{\lambda }}={{E}_{\lambda }}$

B) ${{e}_{\lambda }}{{E}_{\lambda }}={{a}_{\lambda }}$

C) ${{e}_{\lambda }}={{a}_{\lambda }}{{E}_{\lambda }}$

D) none of these

• question_answer17) Kinetic energy of an ideal gas depends on its:

A) temperature

B) pressure

C) volume

D) none of these

• question_answer18) What should be in A.C. circuit to increase power factor?

A) Capacitor

B) Chock coil

C) Low resistance with induction

D) All of these

• question_answer19) What are the dimensions of surface tension:

A) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{1}}}{{\text{L}}^{\text{1}}}{{\text{T}}^{\text{-2}}}\text{ }\!\!]\!\!\text{ }$

B) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{1}}}{{\text{L}}^{0}}{{\text{T}}^{\text{-2}}}\text{ }\!\!]\!\!\text{ }$

C) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{-1}}}{{\text{L}}^{2}}{{\text{T}}^{\text{-1}}}\text{ }\!\!]\!\!\text{ }$

D) $\text{ }\!\![\!\!\text{ }{{\text{M}}^{\text{-1}}}{{\text{L}}^{2}}{{\text{T}}^{\text{-2}}}\text{ }\!\!]\!\!\text{ }$

• question_answer20) A particle moves along a circle with a uniform speed$\upsilon .$ After it has made an angle of $60{}^\circ$, then its speed will be:

A) $\upsilon$

B) $\frac{\upsilon }{\sqrt{2}}$

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

D) zero

• question_answer21) The moment of inertia of a plate of mass m, length $l$and breadth b :

A) $m\left( \frac{{{l}^{2}}+{{b}^{2}}}{12} \right)$

B) $m\left( \frac{{{l}^{2}}}{4}+\frac{{{b}^{2}}}{12} \right)$

C) $m\left( \frac{{{l}^{2}}+{{b}^{2}}}{6} \right)$

D) none of these

• question_answer22) The displacement equation of a particle is $x=3\,\sin \,2t\,+4\,\cos \,2t.$ The amplitude and maximum velocity will be respectively:

A) 5, 10

B) 3, 2

C) 4, 2

D) 3, 4

• question_answer23) One sphere collides with another sphere of same mass at rest in elastically. If the value of coefficients of restification is 1/2. Tine ratio of there speed after collision will be:

A) 1 : 2

B) 2 : 1

C) 1 : 3

D) 3 : 1

• question_answer24) If the kinetic energy of a body increase by 0.1% then the percentage increase in its momentum will be:

A) 0.05%

B) 0.1%,

C) 1.0%

D) 10%

• question_answer25) Out of these on which g does not depend:

A) density

B) mass

C) shape

D) none of these

• question_answer26) Angular velocity of a wheel is 2 rad/sec calculate the number of rotation of wheel in 5 seconds:

A) 5/$\pi$

B) 1/$\pi$

C) 10$\pi$

D) 20$\pi$

• question_answer27) How to adjust three capacitor to get high energy on same potential?

A) Two parallel one in series

B) Three are in series

C) Three are in parallel

D) None of these

• question_answer28) In the vaccum diode or valve oxide coated emitter are used because:

A) the work function is more

B) they emits more electron at for temperature

C) work function is high

D) none of these

• question_answer29) A disc whose radius R is revolving around its geometrical axis if we increase radius to 2R and constant speed then the centripetal force will be:

A) half

B) double

C) equal

D) one fourth

• question_answer30) A man standing on a revolving platform spreading his hands suddenly he stretches his hand. Then:

A) angular velocity increase

B) angular velocity decrease

C) angular momentum increase

D) angular moment is zero

• question_answer31) Calculate the number of $\alpha$ and  particles in radioactive decay$_{92}{{X}^{234}}{{\xrightarrow{{}}}_{82}}{{Y}^{222}}$:

A) 3, 3

B) 3, 1

C) 5, 3

D) 3, 5

• question_answer32) Which is not the dimensions of frequency?

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

B) $\frac{1}{RC}$

C) $\frac{C}{L}$

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

• question_answer33) Two equal and opposite charge are displaced x metre apart, then the potential depends upon:

A) only on $q$

B) on $x$

C) on $qx$

D) on $q/x$

• question_answer34) What is necessary condition to obtain interference pattern?

A) Equal frequency

B) Equal amplitude

C) Constant phase difference

D) Equal amplitude and frequency

• question_answer35) By one wire diffraction pattern is obtained, if we increase the diameter of wire then fringe width:

A) increase

B) decrease

C) no change

D) all of these

A) CV

B) $\frac{{{\text{Q}}^{\text{2}}}}{\text{J}}$

C) $\frac{\text{J}}{{{\text{V}}^{\text{2}}}}$

D) $\text{QV}$

• question_answer37) Wave front is a imaginary surface, where:

A) phase difference are equal

B) everywhere phase is equal

C) phase difference is different

D) none of these

• question_answer38) In an experiment with a potentiometer it was found that no deflection is caused in the ameter on joining the two terminals with cells with 125 cm length of the potentiometer wire. If resistance of 2$\Omega$is connected to the terminal of cell, then balancing length is 100 cm, calculate the internal resistance of cell:

A) $0.5\,\Omega$

B) $1.5\,\Omega$

C) $1.25\,\Omega$

D) $\frac{4}{5}\,\Omega$

• question_answer39) Kinetic energy of emitted electrons in photoelectric effect does not depends on :

A) wave length

B) frequency

C) intensity

D) work function

• question_answer40) Neutrino hypothesis was given by:

A) Sommerfeild

B) Pauli

C) Fermi

• question_answer41) On charging a soap bouble its size:

A) decreases

B) increases

C) remains same

D) cannot be said

• question_answer42) Most accurate value is:

A) ${{C}_{P}}=3,C{{ }_{\upsilon }}=1$

B) ${{C}_{P}}=5,C{{ }_{\upsilon }}=3$

C) ${{C}_{P}}=4,C{{ }_{\upsilon }}=5$

D) ${{C}_{P}}=6,C{{ }_{\upsilon }}=2$

• question_answer43) In which type of wave energy is not transferred?

A) Heat waves

B) Target waves

C) Stationary waves

D) Unstationary waves

• question_answer44) If the absorb heat of system is $\delta Q,$ work done by the system is $\delta W,$ and change in internal energy is $dU,$ then which quantity does not depend on path:

A) $dU$

B) $\delta W$

C) $\delta Q$

D) $\delta Q\,\text{and}\,\delta W$

• question_answer45) By which law, direction of induced e.m.f. can be found :

A) Amperes law

B) Flemings law

D) Lenzs law

• question_answer46) Half-life of a radioactive element is 30 days, then the remaining amount after 90 days:

A) 1/3

B) 1/4

C) 1/8

D) 1/16

• question_answer47) Which is not a possible electronic configuration?

A) $\text{1} {{\text{s}}^{\text{2}}}\text{,}\,\text{2}{{\text{s}}^{\text{2}}},\,\text{2}{{\text{p}}^{\text{5}}}$

B) $\text{1} {{\text{s}}^{\text{2}}}\text{,}\,{{\text{2}}_{\text{s}}}^{\text{2}}\text{,}\,\text{2}{{\text{p}}^{\text{6}}}\text{,}\,\text{3s}$

C)  $\text{1} {{\text{s}}^{\text{2}}}\text{,}\,1{{\text{p}}^{\text{6}}}\text{,}\,2\text{s}$

D) $1{{s}^{2}},\,2{{s}^{2}},\,2{{p}^{6}},\,3{{s}^{2}}$

• question_answer48) What will be the relation between wavelength of photon and electron of same energy?

A) ${{}_{\text{Ph}}}\text{}\,{{}_{\text{e}}}$

B) ${{}_{\text{Ph}}}-\,{{}_{\text{e}}}$

C) ${{}_{e}}>\,{{}_{Ph}}$

D) None of these

• question_answer49) A black body radiated high intensity radiation of 13$\text{M}$when temperature is $200{}^\circ K$ if the temperature is increased upto $1000\overset{\text{o}}{\mathop{\text{A}}}\,$. Then calculate high intensity radiation:

A) 70 $\text{M}$

B) 70 m

C) 2.8 $\text{M}$

D) 2.8 mm

• question_answer50) When there will be a phase difference of $180{}^\circ$ between incident and reflected rays:

A) air to glass

B) glass to water

C) glass to air

D) water to air

• question_answer51) The unit of dipole moment is:

A) coulomb-metre

B) coulomb/metre

C) coulomb-metre2

D) metre/coulomb

• question_answer52) Highest frequency waves are:

A) microwave

B) infrared

C) ultrovoilet

D) X-rays

• question_answer53) Frequency of an open organ pipe is$f$then it is dipped in water up to half of its length then new frequency will be:

A) $f$

B) $f$/2

C) 2$f$

D) $\frac{3}{4}f$

A) $\sqrt{n}$

B) $\frac{1}{\sqrt{n}}$

C) ${{n}^{2}}$

D) $1/n$

• question_answer55) According to law of conservation of energy:

A) energy can be destroyed cant be created

B) energy can neither be created nor be destroyed

C) energy can either be created or destroyed

D) none of these

• question_answer56) What is the emissive power of sun when its temperature is doubled:

A) 2 times

B) 4 times

C) 8 times

D) 16 times

• question_answer57) In a diode on increasing plate voltage plate current is not increasing, then how to increase the plate current?

A) Increase in filament current

B) Decrease in distance between cathode and plate

C) Increase the temperature of anode

D) Increase the temperature of cathode

• question_answer58) In progressive wave transfer of energy per second on:

A) maximum at antinode

B) maximum on antinode

C) maximum at node and but zero on antinode

D) maximum at antinode and zero on node

• question_answer59) Phase difference between $V$and$I$ in purely inductive A.C. circuit:

A) $0{}^\circ$

B) $180{}^\circ$

C) $90{}^\circ$

D) $360{}^\circ$

• question_answer60) Ratio between magnetic intensity and magnetic field intensity is:

A) permeability

B) magnetic flux

C) magnetic nature

D) magnetic permeability

• question_answer61) Behaviour of zone plate coincides with :

A) concave lens

B) convex lens

C) concave mirror

D) convex mirror

• question_answer62) A particle is executing S.H.M. its maximum velocity is${{\upsilon }_{0,}}$ then what will be its velocity at a distance half of the amplitude from mean position?

A) $\frac{{{\upsilon }_{0}}}{2}$

B) ${{\upsilon }_{0}}$

C) ${{\upsilon }_{0}}\sqrt{\frac{3}{2}}$

D) ${{\upsilon }_{0}}\sqrt{\frac{3}{2}}$

• question_answer63) Real gas behaves as ideal gas on:

A) high temperature

B) low pressure

C) high temperature and low pressure

D) low temperature and high pressure

• question_answer64) In a diode valve, mutual conductance is 25 mA /V and anode resistance is 20$k\Omega$ is used as an amplifier. Whose amplification is 100, then calculate load resistance:

A) $1\,k\Omega$

B) $5\,k\Omega$

C) $10\,k\Omega$

D) $20\,k\Omega$

• question_answer65) White light is used in Youngs double slits experiment, distance between two slits is $B(>>b),$dispersion of interference film is small wavelength of one fringe then calculate wavelength of fringe :

A) $\frac{{{b}^{2}}}{B}$

B) $\frac{2{{b}^{2}}}{B}$

C) $\frac{{{b}^{2}}}{B}\frac{{{b}^{2}}}{3B}$

D) all of these

• question_answer66) Positive rays was discovered by:

A) Thomson

B) Goldstein

C) W. Crookes

D) Rutherford

• question_answer67) In Thomson mass spectrograph, electric and magnetic field are applied:

A) perpendicularly together

B) perpendicularly

C) parallel

D) parallel together

A) proton

B) isotopes

C) electrons

D) $\text{-}$particles

• question_answer69) What is the effect on Fresnels biprism experiment when the use of white light is made:

A) fringe are affected

B) diffraction pattern is spread ore

C) central fringe is white and all are coloured

D) none of these

• question_answer70) Truth of chock coil is:

A) high resistance, low inductance

B) high resistance, high inductance

C) low resistance, low inductance

D) low resistance, high inductance

• question_answer71) Main frequency is 100 Hz and second two frequency are 300 Hz and 500 Hz, then the pipe is:

A) open pipe

B) closed pipe

C) one end is open and second end is closed

D) all of these

• question_answer72) The moment of inertia of a rod of 1 m length with respect to its mid point is:

A) $\frac{M}{12}$

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

C) $\frac{M}{2}$

D) $M$

• question_answer73) The frequency of oscillation of an object of mass in suspended by means of a spring of force constant k is given by$f=\,(C{{m}^{x}}{{k}^{y}}),$ the value of x and y are:

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

B) $-\frac{1}{2}\frac{1}{2}$

C) $-\frac{1}{2}\frac{1}{3}$

D) $\frac{1}{2}-\frac{1}{2}$

• question_answer74) As shown in the figure half the space between plates of a capacitor is filled with an insulator material of dielectric constant$K,$if initial capacity was $C$ then the new capacity is:

A) $\frac{C}{2}(K+1)$

B) $\frac{C}{2(K+1)}$

C) $\frac{(K+1)}{2C}$

D) $C\,(K+1)$

• question_answer75) Which of the following pair has identical dimensions?

A) Momentum and force

B) Surface tension and surface energy

C) Pressure and Youngs coefficient

D) Momentum of force and angular momentum

• question_answer76) The angular speed of a minute hand of a clock:

A) $\frac{}{\text{1600}}\text{rad/s}$

B) $\frac{}{\text{3000}}\text{rad/s}$

C) $\frac{}{\text{30}}\text{rad/s}$

D) $\frac{}{1800}\text{rad/s}$

• question_answer77) The ratio of mass of two circular ring is 1 : 2 and ratio of radius is 2 : 1 then what will be the, ratio of their momentums of inertia ?

A) 1 : 4

B) 2 : 1

C) 4 : 1

D) $\sqrt{2}:1$

• question_answer78) Force constant is k and elastic force is$f,$ then what will be the displacement?

A) $\sqrt{3}$

B) $\frac{1}{\sqrt{3}}$

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

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

• question_answer79) If the value of $g$ on a planet is $8\,m/{{s}^{2}}$ and its radius is 1000 km, then find the value of escape velocity on that planet:

A) 1.41 km/s

B) 2.82 km/s

C) 4km/s

D) 8 km/s

• question_answer80) Surface tension of a soap is $2\times {{10}^{-2}}N/m,$ then calculate the work done to make a bubble of radius 1 cm:

A) $\text{4}\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{J}$

B) $\text{8}\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{J}$

C) $\text{12}\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{J}$

D) $\text{16}\text{ }\!\!\times\!\!\text{ 1}{{\text{0}}^{\text{-6}}}\text{J}$

• question_answer81) What should be the minimum velocity of body, at which it should be thrown to make it satellite of earth:

A) $11\times {{10}^{3}}\,m/s$

B) $8\times {{10}^{3}}\,m/s$

C) $6.4\,\times {{10}^{3}}\,m/s$

D) $4\times {{10}^{3}}\,m/s$

• question_answer82) In bin bridge spectrograph the electric field is ${{10}^{4}}$ volt/m and magnetic field is 1 T, then the velocity of undeflected positive ions is:

A) ${{10}^{7}}\,m/s$

B) ${{10}^{4}}\,m/s$

C) ${{10}^{5}}\,m/s$

D) ${{10}^{2}}\,m/s$

• question_answer83) The equation of a wave is $y={{10}^{-4}}\,\sin \,(60t+2x),$where$x$ and$y$ are in metre,$t$ in sec, then which statement is true?

A) Wavelength is $\pi$ meter

B) Frequency is $\left( \frac{30}{\pi } \right)$Hz

C) Velocity is 30 m/s

D) All of these

• question_answer84) The number of lines of force from 1 coulomb charge is:

A) 0

B) 1

C) $\frac{1}{{{\varepsilon }_{0}}}$

D) $\infty$

• question_answer85) Which of the following is the one of iron?

A) Galena

B) Bauxite

C) Hematite

D) Black zac

• question_answer86) The oxidation number of iron in $F{{e}_{0.94}}O$is:

A) $+2$

B) $+2$ and $+3$

C) $+3$

D) $+1$

• question_answer87) Which of the molecule or iron is coplanar?

A) $N{{O}_{3}}^{-}$

B) $C{{O}_{3}}^{-2}$

C) $S{{O}_{3}}^{-2}$

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

• question_answer88) ${{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}$on reaction with chlorine in the presence of light gives:

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

B) ${{({{C}_{2}}C{{l}_{5}})}_{2}}O$

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

D) all of these

• question_answer89) The main ore o obtain zinc is:

A) zinc blend

B) black zinc

C) both (a) and (b)

D) none of these

• question_answer90) Which one does not show $s{{p}^{2}}$ hybridisation?

A) $C{{O}_{3}}^{-2}$

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

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

D) none of these

A) formic acid

B) acetiacid

C) proponic acid

D) $C{{l}_{2}}C{{H}_{2}}COOH$

• question_answer92) Schiffs reagent gives the pink colour with:

A) ${{C}_{2}}{{H}_{5}}CHO$

B) Propanone

C) ${{C}_{2}}{{H}_{5}}OH$

D) Propane -2-ol

• question_answer93) Less soluble compound is:

A) $Be{{(OH)}_{2}}$

B) $Ba{{(OH)}_{2}}$

C) $Ca{{(OH)}_{2}}$

D) $Mg{{(OH)}_{2}}$

• question_answer94) Which of the following react with acetylene and formed dichloroacetaldehyde?

A) $HOCl$

B) $HCl$

C) Both (a) and (b)

D) None of these

• question_answer95) Which isomerism which is present in self-aldehyde?

A) Chain isomerism

B) Position isomerism

C) Functional isomerism

D) None of these

• question_answer96) Which of the following react with acetic acid for obtain acetic anhydride?

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

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

C) ${{P}_{2}}{{O}_{3}}$

D) None of these

• question_answer97) Ketone $+X\xrightarrow{{}}oxime$. The name of X is:

A) $N{{H}_{2}}-N{{H}_{2}}$

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

C) $N{{H}_{2}}-OH$

D) $N{{H}_{2}}-NH-CO-N{{H}_{2}}$

• question_answer98) Which electronic configuration follows Hunds rule:

A)

B)

C)

D)

• question_answer99) The correct order of strength of Lewis bases is:

A) ${{F}^{-}}>O{{H}^{-}}>C{{H}_{3}}^{-}>N{{H}_{2}}^{-}$

B) $NH_{2}^{-}>CH_{3}^{-}>O{{H}^{-}}>{{F}^{-}}$

C) $O{{H}^{-}}>C{{H}_{3}}^{-}>N{{H}_{2}}^{-}>{{F}^{-}}$

D) $C{{H}_{3}}^{-}>NH_{2}^{-}>O{{H}^{-}}>{{F}^{-}}$

• question_answer100) Which has the least solubility product?

A) $Be{{(OH)}_{2}}$

B) $Ba{{(OH)}_{2}}$

C) $Mg{{(OH)}_{2}}$

D) $Ca{{(OH)}_{2}}$

A) $100%\text{ }{{C}_{2}}{{H}_{5}}OH$

B) $93%$to $95%\text{ }C{{H}_{3}}OH$

C) $95%$absoult alcohol $+5%\,C{{H}_{3}}OH$

D) $90%$alcohol

• question_answer102) In which of the following is not acidic salt?

A) $NaHC{{O}_{3}}~~$

B) $Na{{H}_{2}}P{{O}_{2}}$

C) $KHS{{O}_{4}}$

D) $Na{{H}_{2}}P{{O}_{4}}$

• question_answer103) Which of the following ion will have maximum hydration energy?

A) $S{{r}^{+2}}$

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

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

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

• question_answer104) From the following mixtures which is electrolyzed in the metallurgy of aluminium:

A) alumina $NaOH$

B) alumina $+$ silicon

C) alumina 4-cryolite

D) aluminium chloride $+CaC{{l}_{2}}$

• question_answer105) The solubility product of chalk is $9.3\times {{10}^{-8}}$. What will be solubility of this?

A) $3.04\times {{10}^{-4}}mole/litre$

B) $5\times {{10}^{-6}}\text{ }mole/litre$

C) $3\times {{10}^{-5}}mole/litre$

D) None of these

• question_answer106) Which of the following added to $C{{u}_{2}}S$ for blaster formation?

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

B) $F{{e}_{2}}{{O}_{3}}$

C) $CuO$

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

• question_answer107) Most suitable indicator in the titration of acetic acid and sodium hydroxide is:

A) methyl orange

B) phenolphthalein

C) phenol red

D) all of the above

• question_answer108) Which compound does not have ionic bond?

A) Magnesium chloride

B) Zinc sulphide

C) Calcium fluoride

D) Graphite

• question_answer109) The solubility product of $BaS{{O}_{4}}$is $25\times {{10}^{-12}}$. What will be the solubility of this:

A) $5\times {{10}^{-6}}mole/litre$

B) $25\times {{10}^{-6}}mole/litre$

C) $5\times {{10}^{-12}}mole/litre$

D) $25\times {{10}^{-12}}mole/litre$

• question_answer110) Argentite ore is reacted with which compound to obtain it in solution?

A) $Fe{{(CN)}_{6}}^{-4}$

B) $NaCN$

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

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

• question_answer111) The ion which has not bond order $2.5$ is:

A) ${{O}_{2}}^{-}$

B) ${{N}_{2}}^{+}$

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

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

• question_answer112) Which of the following pairs does not show same properties?

A) $B,Si$

B) $Na,Ca$

C) $Li,Mg$

D) $Be,Al$

• question_answer113) The position isomer of butyne is:

A) $3$

B) $4$

C) $2$

D) $1$

• question_answer114) $HCHO+N{{H}_{3}}\xrightarrow{{}}X,$, product X is:

A) amino form

B) hexamethylene tetramine

C) urotropin

D) all of these

• question_answer115) $Glucose\xrightarrow[(yeast)]{X\,enzyme}alcohol$ enzyme is:

A) invertase

B) zymase

C) maltase

D) diatase

• question_answer116) The ore of aluminium is:

A) siderite

B) stephanite

C) malachite

D) cryolite

• question_answer117) Which of the following is not used as primary standard in the redox reaction:

A) Mohr salt

B) $KMn{{O}_{4}}$

C) Oxalic acid

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

• question_answer118) The compound which is not used in redox titration:

A) ${{(COOH)}_{2}}$

B) $KMn{{O}_{4}}$

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

D) none of these

• question_answer119) The most stable carbonium ion is:

A) $C{{H}_{3}}-\overset{+}{\mathop{C}}\,H-{{C}_{2}}{{H}_{5}}$

B) $C{{H}_{3}}-\overset{+}{\mathop{C}}\,{{H}_{2}}$

C) $\overset{+}{\mathop{C}}\,{{H}_{3}}$

D) $C{{H}_{3}}-CH-C{{H}_{3}}$

• question_answer120) Which of the following reduction in acidic medium gives aniline?

A) Nitrosobenzene

B) Hydrazobenzene

C) Nitrobenzene

D) Azobenzene

• question_answer121) The compound/ion which is used in the nitration of benzene:

A) nitrite ion

B) nitronium ion

C) sulphuric acid

D) nitric acid

• question_answer122) An electron is transferred towards nuclei from infinite then the potential energy:

A) increases

B) ramains constant

C) decreases

D) none of these

• question_answer123) In this reaction: $3B{{r}_{2}}+6C{{O}_{3}}^{2-}+3{{H}_{2}}O\xrightarrow{{}}5B{{r}^{-}}$$+Br{{O}_{3}}+6HC{{O}_{3}}^{-}$

A) oxidation of bromine and reduction of carbonate

B) reduction of bromine and oxidation of carbonate

C) no oxidation and no reduction of bromine

D) oxidation and reduction of bromine

• question_answer124) Which alkene gives the same product by the Markownikoffs and anti Markownikoffs method?

A) $\beta$-butylene

B) Propylene

C) $\alpha$-amylene

D) $\alpha$-butylene

• question_answer125) The number of double bond in B.H.C. is:

A) $1$

B) $2$

C) $3$

D) $zero$

• question_answer126) In following reaction product A is: ${{C}_{6}}{{H}_{5}}N{{H}_{2}}+C{{H}_{3}}COCl\to A$

A) ${{C}_{6}}{{H}_{6}}NOCl$

B) ${{C}_{6}}{{H}_{5}}N{{H}_{2}}COC{{H}_{3}}$

C) ${{C}_{6}}{{H}_{5}}NHCOC{{H}_{3}}$

D) none of these

• question_answer127) In which of the following has the minimum oxidation number of $Mn$:

A) $KMn{{O}_{4}}$

B) ${{K}_{2}}Mn{{O}_{4}}$

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

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

• question_answer128) Which of the following has its pH near about 7 in its aqueous solution of concentration$1M$:

A) sodium acetate

B) ammonium chloride

C) $N{{a}_{2}}S{{O}_{4}}$

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

• question_answer129) From overlapping of s-s orbital gives:

A) $\sigma$ bond

B) H-bond

C) $\pi$bond

D) none of these

• question_answer130) The compound which have minimum bond angle:

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

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

C) $C{{H}_{4}}$

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

• question_answer131) Which element will form nitride?

A) $Rb$

B) $Na$

C) $Li$

D) $K$

• question_answer132) The conjugate base of $NH_{4}^{\oplus }$ is:

A) $N{{H}_{4}}$

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

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

D) $\overset{+}{\mathop{N}}\,{{H}_{3}}$

• question_answer133) The reaction between benzene and $C{{H}_{3}}COCl$gives:

A) benzoyl chloride

B) toluene

C) acetophenone

D) benzophenone

• question_answer134) $C{{H}_{3}}-CHO+HCN\xrightarrow{{}}A$ $\xrightarrow{hydrolysis}B,$ compound B is:

A) malonic acid

B) glycolic acid

C) maleic acid

D) lactic acid

• question_answer135) The reaction between formaldehyde and sodium hydroxide gives:

A) ${{C}_{2}}{{H}_{5}}OH+HCOONa$

B) ${{C}_{2}}{{H}_{5}}OH+C{{H}_{3}}COONa$

C) $C{{H}_{3}}OH+HCOONa$

D) $C{{H}_{3}}\text{OH}+C{{H}_{3}}COONa$

• question_answer136) $A+HN{{O}_{2}}\xrightarrow{{}}$alcohol, compound A is:

A) primary amine

B) tertiary amine

C) secondary amine

D) none the these

• question_answer137) The groups present in picric acid are:

A) $-COOH$and $-N{{O}_{2}}$

B) $-OH$

C) $-OH$ and $-N{{O}_{2}}$

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

• question_answer138) Number of a and n bond in 1-butenc-3-yne:

A) $5\sigma$ and $5\pi$

B) $7\sigma$ and $3\pi$

C) $8\sigma$and $2\pi$

D) $6\sigma$and $4\pi$

• question_answer139) The product obtained by the reaction of ether with Bayers reagent is:

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

B) $C{{H}_{3}}C{{H}_{2}}OH$

C) $\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}-\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\mathop{C}}\,{{H}_{2}}$

D) $C{{H}_{3}}-\underset{\begin{smallmatrix} \,|| \\ O \end{smallmatrix}}{\mathop{C}}\,-C{{H}_{3}}$

• question_answer140) P.V.C. is formed by the polymerization of:

A) ethene

B) 1-chloropropene

C) propene

D) 1-chloro ethane

• question_answer141) What will be the position number of isomers in ${{C}_{2}}{{H}_{4}}C{{l}_{2}}$?

A) $3$

B) $2$

C) $1$

D) zero

• question_answer142) Which one of the following compounds does not give ${{C}_{2}}{{H}_{5}}Cl$by the reaction of ${{C}_{2}}{{H}_{5}}OH$?

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

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

C) $SOC{{l}_{2}}$

D) $ZnC{{l}_{2}}+HCl$

• question_answer143) Molecular formula of bleaching powder is:

A) $CaOC{{l}_{2}}$

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

C) $Ca{{(OH)}_{2}}$

D) None of these

• question_answer144) The atomic number of $Fe$ is 26. The number of proton in $Fe$ is:

A) $46$

B) $26$

C) $20$

D) $6$

• question_answer145) Which one have smallest size?

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

B) $B{{e}^{+2}}$

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

D) $L{{i}^{+}}$

• question_answer146) Principal quantum number $n=1$ die number of l, w, s quantum arc:

A) $n=l,l=0,m=0,s=+\frac{1}{2},-\frac{1}{2}$

B) $n=1,l=1,m=1,s=+\frac{1}{2}$

C) $n=1,l=2,m=0,s=+\frac{1}{2}$

D) $n=1,l=0,m=1,s=-\frac{1}{2}$

• question_answer147) Which ion does not have colour?

A) $Cu\,(I)$

B) $Cr\,(III)$

C) $Co(II)$

D) $Cu(II)$

• question_answer148) Which of the following ions does not have its electronic configuration $[Ar]3{{d}^{1}}$?

A) $N{{i}^{+2}}$

B) $N{{i}^{+4}}$

C) $C{{o}^{+3}}$

D) None of these

• question_answer149) Acetone forms oxime by the reaction with:

A) ammonia

B) ${{(C{{H}_{3}})}_{2}}C=NH$

C) ${{(C{{H}_{3}})}_{3}}NH$

D) $N{{H}_{2}}-OH$

• question_answer150) $CH\equiv CH+HBr\xrightarrow{{}}X,$, product X is:

A) ethylene bromide

B) vinyl bromide

C) bromo ethane

D) ethyledene bromide

• question_answer151) $C{{H}_{3}}CHO+Sodium\text{ }cupritartarate\xrightarrow{{}}$ red precipitate. In which red precipitate is:

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

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

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

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

• question_answer152) In the following pairs which pair does not show the proper similarity?

A) $Na-Ca$

B) $Li-Mg$

C) $Be-Al~$

D) $B-Si$

• question_answer153) What will be the ratio of the radius of second and third orbits of hydrogen?

A) $9:4$

B) $2:3$

C) $3:2$

D) $4:9$

• question_answer154) For triple the pH of a solution the concentration of hydrogen ion should be:

A) $1/100\text{ }times$

B) half

C) double

D) $1/1000\text{ }times$

• question_answer155) The blue colour of the liquid ammonia solution of metal is due to:

A) ammoniated electron

B) ammoniated anion

C) ammoniated cation

D) both (a) and (b)

• question_answer156) Which compound affect the pH of $N{{H}_{4}}OH$solution?

A)  $N{{H}_{4}}Cl~$

B) $CHC{{l}_{3}}$

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

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

• question_answer157) ${{C}_{2}}{{H}_{5}}OH+X\to {{C}_{2}}{{H}_{5}}-O-{{C}_{2}}{{H}_{5}}$, X is:

A) with $Na$ at $413K$

B) with cone. ${{H}_{2}}S{{O}_{4}}$ at $413K$

C) with cone. $HCl$ at $413K$

D) with $B{{r}_{2}}$at $413K$

• question_answer158) The gram number of atom in 46 gram sodium is:

A) $4$

B) $5$

C) $2$

D) $3$

A) $CuS{{O}_{4}}+lime$

B) $CuS{{O}_{4}}+NaOH(aq.)$

C) $CuS{{O}_{4}}+N{{a}_{2}}C{{O}_{3}}$

D) none of these

• question_answer160) The compound which has zero dipole moment:

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

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

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

D) $CO$

• question_answer161) Alkali metals in comparison to alkaline earth metal have:

B) low reactivity

C) high melting

D) low ionization potential

• question_answer162) Atomic size is the order of:

A) ${{10}^{\,-12}}m$

B) ${{10}^{-6}}m$

C) ${{10}^{-9}}m$

D) ${{10}^{-5}}m$

• question_answer163) An acidic solution whose concentration is equal to $0.1M$and the degree of ionization is 1%. Then the dissociation constant of acid will be:

A) $1.01\times {{10}^{5}}$

B) $1.01\times {{10}^{-5}}$

C) $1.01\times {{10}^{3}}$

D) $1.01\times {{10}^{-3}}$

• question_answer164) $CHC{{l}_{3}}\xrightarrow[light]{Air\,and}X,$product X is:

A) $HOCl$

B) $COC{{l}_{2}}$

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

D) $HCOCl$

• question_answer165) Tollen reagent can be reduced in $Ag$ by:

A) ketone

B) acetic acid

C) ether

D) aldehyde

• question_answer166) The number of s block element is:

A) greater than p block element

B) greater than d block element

C) lesser than p and d block element

D) none of these

• question_answer167) ${{C}_{2}}{{H}_{5}}Br+C{{H}_{3}}CHO\xrightarrow{{}}X\xrightarrow{H.OH}$Y, product Y is :

A) propanol

B) 2-butanol

C) both (a) and (c)

D) none of these

• question_answer168) Which of the following equilibrium is uneffected by the change in pressure?

A) $2{{O}_{3(g)}}3{{O}_{2(g)}}$

B) $2N{{O}_{2(g)}}{{N}_{2}}{{O}_{4}}$

C) $2H{{I}_{(g)}}{{H}_{2(g)}}+{{I}_{2(g)}}$

D) $PC{{l}_{5(g)}}PC{{l}_{3(g)}}+C{{l}_{2(g)}}$

• question_answer169) The compound with smallest $C-H$ bond will be:

A) ${{C}_{2}}{{H}_{6}}$

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

C) ${{C}_{2}}{{H}_{4}}$

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

• question_answer170) Phenol + potassium per disulphate$\xrightarrow{KOH}X,$, product X is:

A) quinol

B) phenoquinon

C) both (a) and (b)

D) none of these

• question_answer171) Which of the following solutions gives red colour with HPh?

A) $5M\,NaOH$

B) $0.1M\text{ }NaC{{O}_{3}}$

C) $0.1M\text{ }N{{H}_{4}}OH$

D) $0.1M\text{ }NaCl$

• question_answer172) Which one of the following reaction will not affected by increases in pressure?

A) $2{{H}_{2}}+{{O}_{2}}\xrightarrow{{}}2{{H}_{2}}O$

B) ${{N}_{2}}\text{+}3{{H}_{2}}\xrightarrow{{}}2N{{H}_{3}}$

C) $2Cu+S\xrightarrow{{}}C{{u}_{2}}S$

D) ${{H}_{2}}+{{I}_{2}}\xrightarrow{{}}2HI$

• question_answer173) In which of the following is simple salt?

A) $NaOH$

B) $NaCl$

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

D) $NaCN$

• question_answer174) $X+{{I}_{2}}+NaOH\xrightarrow{{}}$not iodo form, X is:

A) ${{C}_{2}}{{H}_{5}}OH$

B) $C{{H}_{3}}OH$

C) $CH3CHO$

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

• question_answer175) Which one of the following does not has its magnetic moments value equal to $5.9$ Bohr magneton:

A) $C{{r}^{+}}$

B) $M{{n}^{+2}}$

C) $F{{e}^{+3}}$

D) $C{{O}^{+3}}$

• question_answer176) The value of ${{K}_{c}}$ for this reaction is: $A+B2C+D$:

A) $K=\frac{{{[C]}^{2}}[D]}{[A][B]}$

B) ${{K}_{c}}=\frac{[A][B]}{[C][D]}$

C) both (a) and (b)

D) none of these

• question_answer177) The rule of full filling the orbit obey:

A) Aufbaus

B) Hund

C) Pauli

D) Heisenberg

• question_answer178) The bond having least polar nature is:

A) $H-O$

B) $H-F$

C) $H-Cl$

D) $H-S$

A) $B{{r}_{2}}$ (Br water)

B) $~NaBr$

C) $HBr$

D) $KBr$

• question_answer180) Which chemical is released by vagus nerve to stow down the heart beat?

B) Acetyichotine

C) Nor epinephrine

D) Epinephrine

• question_answer181) Pacinian corpuscles are receptor of:

A) Deep pressure

B) Pain

C) Temperature

D) Hearing

• question_answer182) Two homologous chromosome are connected at:

A) telomere

B) chromomere

C) centromere

D) sineptonemal mixture

• question_answer183) Which of the following plant lipid forms essential part of a good diet?

A) Linolic acid

B) Palmittic acid

C) Oleic acid

D) Stearic acid

• question_answer184) Endomitosis is related with:

A) mitosis of chromosomes in the presence of nuclear membrane

B) mitosis without nucleus

C) mitosis in uterine wall

D) frequent mitosis

• question_answer185) Which activity occurs first during the development of an egg?

A) Induction

B) Differential growth

C) Polarity

D) Gastrulatron

• question_answer186) Waste material in Amoeba is taken out by:

A) ptasmalemma

B) cytoplasm

C) nephron

D) vacuole

• question_answer187) Red and white pulp tissue are the parts of:

A) spleen

B) muscle fibre

C) lymph layer

D) lymph nodules

• question_answer188) Pick out the pair of essential (indespensibic) amino acid:

A) leucine and glycine

B) valin and histidine

C) tryptophtin and glutamic acid

D) lycine and phenyl alanine

• question_answer189) Right auricle of the mammalian heart release blood through :

A) tricuspid valve

B) vena cava

C) pulmonary aorta

D) mitral valve

A) ectoderm

B) mosoderm

C) endoderm

D) both a and c

• question_answer191) Millipede (Julus) and Centipede (Scolopendra) are included in:

A) Arachnida

B) Myriapoda

C) Scaphopoda

D) Palecypoda

• question_answer192) Which of the following pair include oldest and primitive vertebraites?

A) Amphioxus and Herdmania

B) Doliolum and Scoliodon

C) Balanoglossus and Salpa

D) Petromyzon and Myxine

• question_answer193) Mitotic prophase is characterized by:

A) condensation of chromosome

B) disappearance of nucleolus

C) formation of meta phasic plate

D) division of centromere

• question_answer194) Purkinje fibres are present in:

A) mammalian heart

B) voluntary muscles

C) cerebral cortex

D) ampullae of semi-circular canal of internal ear

• question_answer195) The sound reception can be interpreted by:

A) olfactory lobe

B) cerebral hemisphere

C) cerebellum

D) medulla oblongata

• question_answer196) Ciliated epithelium lines the :

A) tracheal and fallopian tube

B) bile duct and ureter epithelium

C) trachea and oesophagus

D) pharyngeal and stomach mucosae

• question_answer197) Sperm penetration bring changes in ova, is:

A) formation of first polar body

B) I-meiosis

C) II-meiosis

D) formation of pronuclei

• question_answer198) Which of the foetal membrane is directly connected with blood?

A) Allantoic

B) Amnion

C) Chorion

D) Yolk sac

• question_answer199) Chief cells of the gastric glands secreting zymogen, have well developed :

A) smooth ER

B) rough ER

C) mitochondria

D) lysosome

• question_answer200) Removal of thymus gland in the early life of an experimental mammal will cause :

A) lack of lymphocytes

B) lack of antibodies

C) lack of lymph nodes and lymph vessels

D) all of the above

A) 4

B) 6

C) 8

D) 10

• question_answer202) In which of the following eggs meroblastic cleavage occurs?

A) isolecithal

B) microlecithal

C) centrolecithal

D) telolecithal

• question_answer203) Craniostylic jaw suspensor is found in:

A) Shark

B) Limbless amphibians

C) Flightless birds

D) Rabbit

• question_answer204) Which two extra cranial nerves are present in amniotes?

A) Laryngoal and hypoglossal

B) Spinal accessory and hypoglossal

C) Hypoglossal and facial

D) Trigeminal and glossopharyngeal

• question_answer205) Function of spermatheca in Earthworm is:

A) sperm maturation

B) collection of sperms of same animal

C) collection of sperms of other animal

D) fertilization

• question_answer206) Name the mammalian tissue which has no power of regeneration after damage/injury:

A) peripheral nervous tissue

B) skin epidermis

C) tendon

D) smooth muscles

• question_answer207) ${{N}_{2}}$ waste in the form of uric acid is excreted by:

A) Amoeba

B) Dog fish

C) Rabbit

D) Crow

• question_answer208) $C{{O}_{2}}$ is mainly transported by:

A) respiratory pigment

B) dissolution of gases

C) ${{O}_{2}}$ taken by tissues

D) bicarbonates

• question_answer209) Notochord is present in the larva of:

A) Herdmania

B) Cephalodiscus

C) Balanoglossus

D) Amphioxus

• question_answer210) In telophase of mitosis :

A) chromosomes arrange in the middle of cell

B) chromosome fibres become clear

C) chromosomes condense at opposite pole

D) disappearence of nuclear membrane

• question_answer211) The most primitive type of mammalian placenta is :

A) epithelio - chorial

B) syndesmo - chorial

C) endothelio - chorial

D) haemo - chorial

• question_answer212) What will the RNA code, if the DNA codes ATG?

A) ATG

B) AUG

C) UAC

D) TAC

• question_answer213) Correct member of the phyla is :

A) Arthropoda - Arachnida - Lobstar

B) Arthropoda - Myriapoda - Scorpion

C) Mollusca - Cephalopoda - Octopus

D) Mollusca - Gastropoda - Squid

• question_answer214) Phylum mollusca can be differentiated from other invertebrates by having:

A) bilateral symmetry and external skeleton

B) mantle and gill

C) shell and non segmented body

D) mantle and non segmented body

• question_answer215) Micro and macro nucleus are found in:

A) Entamoeba and Plasmodium

B) Euglena and Volvox

C) Paramecium and Vorticella

D) Entamoeba and Vorticella

• question_answer216) Biceps are attached with:

B) ulna

C) femur

D) scapula

• question_answer217) Symptom of paroxysm in malaria (infection) are dipicted in stage:

A) sporozoite

B) gametocyte

C) pre erythrocytic cycle

D) erythrocytic cycle

• question_answer218) Cell membrane spents energy in:

A) movement of solute from lower to higher concentration

B) diffusion of gases

C) movement of solute from high to lower concentration

D) movement of solvent

• question_answer219) DNA gets doubled in :

A) ${{G}_{1}}$ phase

B) S phase

C) ${{G}_{2}}$ phase

D) M phase

• question_answer220) Which of the following order is correct for layers from outer to inner in Ascariss body wall?

A) Cuticle, epidermis, longitudinal and circular muscle

B) Cuticle, epidermis, longitudinal muscles

C) Epidermis, cuticle, longitudinal and circular muscle

D) Epidermis, longitudinal, cuticle and circular muscles

• question_answer221) Uicondylic skull with 10 pairs of cranial nerves is present in:

A) Pisces

B) Amphibia

C) Reptilia

D) Mammalia

• question_answer222) In Frog embryo, spreading of the layer of presumptive ectodermal cells on the underlying mass of cells is called:

A) epiboly

B) invagination

C) ingcssion

D) delamination

• question_answer223) Which of the following harmful substance found in blood are changed into harmless by Ornithine cycle?

A) $C{{O}_{2}}$ and $N{{H}_{2}}-CO-N{{H}_{2}}$

B) $C{{O}_{2}}$ and $N{{H}_{2}}$

C) $N{{H}_{3}}$ and $N{{H}_{2}}-CO-N{{H}_{2}}$

D) $N{{H}_{3}}$ and uric acid

• question_answer224) What will happen if corpora allata is disccted out from the nymph of an insect nymph will?

B) Immediately metamorphosis into second nymph and will remain in that stage

C) Die after some time

D) Remain nymph for long life

• question_answer225) Exposed surface of the human body is covered by the tissue:

A) glandular epithelium

B) straited squamous epithelium

C) ciliated epithelium

D) epidermis

• question_answer226) In which of the following group, alimentary canal is absent?

A) Taenia, Schistosoma

B) Ascaris, Fusciola

C) Taenia, Echinococcus

D) Trichuris, Fasciola

• question_answer227) How many types of gamete will form by Aa Bb Cc cell?

A) 2

B) 4

C) 8

D) 16

A) collagen

B) muscle

C) bone

D) skin

• question_answer229) Too short eye ball and too flat lens produce:

A) near sightedness

B) far sightness

C) astigmatism

D) presshyopia

• question_answer230) The reabsorption of ions by tubules of kidney is enhanced by :

A) cortisol

B) aldosterone

C) calciferol

D) erythropeitin

• question_answer231) Flat membranous bag (cisternae) is characterized in :

A) mitochondria

B) golgi bodies

C) peroxisome

D) endoplasmic reticulum

• question_answer232) How many high phosphate bonds are consumed during glucose formation from pyruvate?

A) 4

B) 8

C) 16

D) 32

A) differentiation

B) induction

C) morphogenesis

D) blastomy

A) the part of DNA which codes for protein synthesis

B) a part of DNA which do not join in m-RNA

C) part which helps to Join pieces of DNA

D) the part of DNA which do not code for protein synthesis

• question_answer235) Find out the correct pair of phylum example :

A) Echinodermata - Cuttle fish

B) Arthropoda - Silver fish

C) Pisces - Jelly fish

D) Mollusca - Star fish

• question_answer236) Blood pressure and activity of non-straited muscles arc dependent on the hormone secretion of:

A) anterior lobe of pituitary gland

B) middle lobe of pituitary gland

C) posterior lobe of pituitary gland

• question_answer237) Which of the following pair is monosaccharide?

A) Glucose and sucrose

B) Ribose and maltose

C) Fructose and glucose

D) Ribose and sucrose

• question_answer238) Cell body (soma) of motor nerves is situated in:

A) dorsal root of spinal cord

B) dorsal horn of spinal cord

C) ventral and lateral horn of spinal cord

D) ventral root of spinal nerve

• question_answer239) Micro villi of intestine serve to:

A) release of digestive enzyme

B) increase membrane area for absorption

C) protect cells from invading micro-organism

D) establish inter-cellular contact

• question_answer240) Which of the following is incorrect regarding insect?

A) Cephalization and jointed appandages

B) Chitinous exoskeleton and wings

C) Cephalization and complete metamorphosis

D) Well developed sensory organs and haemocoel

• question_answer241) Animals bearing numerous (multiple) setae, arc included in class:

A) Hirudinea

B) Oligochaeta

C) Polychaeta

D) Onchyophora

• question_answer242) Which of the following has haploid chromosome?

A) Oogonia

B) Primary oocyte

C) Secondary oocyte

D) Primary spermatocyte

• question_answer243) Organ of corti includes:

A) scala vestibular

B) scala media

C) semicircular canal

D) sensory hair

• question_answer244) Cortex medulla and membrane labyrinth of vertebrates is formed of:

A) ectoderm

B) endoderm

C) mesoderm

D) both b and c

• question_answer245) Chief cell of gastric gland are:

A) simple tubular

B) coiled tubular

C) branched tubular

D) compound tubular

• question_answer246) In male mammals primary germ cell is formed by:

A) cortex of testis

B) medulla of testis

C) germinal epithelium

D) apical part of embryo

• question_answer247) Before cellular respiration, amino acid undergo the process of:

A) decarboxylation

B) hydrolysis

C) deamination

D) phosphorylation

• question_answer248) Antennae of Cockroach function as:

A) tactile and sensory receptor

B) gustatory receptor

C) auditory receptor

D) olfactory receptor

• question_answer249) Male Cockroach can be identified by:

A) anal style

B) anal cerci

C) antennae

D) wings

• question_answer250) Characteristic of autotomy (leaving an external body organ by own) is found in :

A) Lizards

B) Snakes

C) Frogs

D) Cockroaches

• question_answer251) In which form iron is present in haemoglobin?

A) Ionic

B) Unionic

C) $F{{e}^{2+}}$

D) $F{{e}^{+3}}$

• question_answer252) Nephrostome is a component of:

A) septal nephridia

B) integumentary nephridia

C) pharyngeal and septal nephridia

D) pharyngeal and integumentary nephridia

• question_answer253) Diabetes insipedus is caused by the deficiency of hormone:

A) insulin

B) vasopressin

C) glucagon

D) oxytocin

• question_answer254) Gastric glands of mammals are:

A) simple tubular

B) simple coiled tubular

C) branched tubular

D) compound tubular

• question_answer255) Bones of pelvic girdle forms a cavity in which head of the femur is fitted are:

A) ilium only

B) ilium and is chium

C) ilium, ischium and pubis

D) ischium and pubis

• question_answer256) Lactose is compose of:

A) glucose + fructose

B) glucose + galactose

C) galactose + mannose

D) fructose + galactose

• question_answer257) Genus Aedes of mosquito is a vector of:

A) filaria

B) plague

C) dengue fever

D) elephantiasis

A) TSH

B) thyroxine

C) pituitary extract

D) iodine

• question_answer259) Which part of the human eye adjusts the focal length of lens?

A) Cornea

B) Aquous humour

C) Conjunctive

D) Ciliary body

• question_answer260) Function of t-RNA is to:

A) copy the genetic code from DNA in nucleus

B) collection of RNA in ribosome

C) carry amino acids to ribosomes

D) transfer of gentic code from nucleus to cytoplasm

• question_answer261) Which of the following is a connecting link between two phylum?

A) Archneopteryx -Aves and Mammalia

B) Amphioxus-Echinodermata and Chordata

C) Ornithorhynchus -Aves and Reptilia

D) Peripatus -Annelida and Arthropoda

• question_answer262) A parasite in absence of host, become saprophytic. It is termed as :

A) obligate parasite

B) facultative parasite

C) obligate saprophyte

D) facultative saprophyte

• question_answer263) Which of the following groups cause relapse malaria?

A) Plasmodium falciparum and Plasmodium vivax

B) Plasmodium ovale and Plasmodium vivax

C) Plasmodium falciparum and Plasmodium ovale

D) Only Plasmodium falciparum

• question_answer264) Chloragogen cells are present in:

A) Taenia

B) Earthworm

C) Hydra

D) Sycon

• question_answer265) Smooth endoplasmic reticulum is mainly found in cell which is actively engaged in:

A) lipid metabolism

B) catabolic activity

C) protein

D) secreting activity

A) round structure present near the nucleus in cytoplasm

B) round structure composed of r-RNA situated in the nucleus

C) rod-shaped structure present near the nucleus in cytoplasm

D) none of the above

• question_answer267) Features of acraniate vertebrates are:

A) median and paired fins, 7 gill slits and acoelous vertebral column

B) paired fin, 5 gill slits, coelous vertebral column

C) median fin, 7 gill slits, acoelous vertebral column

D) median fin, 5 gill slits, and coelous vertebral column

• question_answer268) Lower jaw of Rabbit articulates with :

A) jugal

B) alisphenoid

C) squamosal

D) parietal

• question_answer269) Which of the following is not an odd digitate pentadacythlus?

A) Donkey

B) Came

C) Zebra

D) Rhinoceros

• question_answer270) Function of ccdysone hormone in insect is:

A) the growth and development of larva

B) the maturation into adult and laying eggs

C) to carry moulting in larval stage to form pupa

D) the secretion of cuticle in adult

• question_answer271) Which of the spiracles in Cockroach are larger keep open always?

A) First and second pair

B) First and third pair

C) First and tenth pair

D) Second and third pair

• question_answer272) Number of juvenile stages form during development of fertilized egg into adult Ascaris are:

A) 1

B) 2

C) 3

D) 4

• question_answer273) Type of sexual reproduction in Protists, bearing diploid chromosome, is:

A) zygotic meiosis

B) binary fission

C) cyst formation

D) gametangial meiosis

A) water and electrolyte balance

B) carbohydrate metabolism

C) steroid and hormone secretion

D) blood pressure

• question_answer275) The sign of osmotic potential is:

A) (-)

B) (+)

C) (x)

D) (?)

B) Incomplete dominance

C) Dominance

D) Segregation of alleles

• question_answer277) Which of the following gas is used for ripening of fruits?

A) Nitrogen

B) Oxygen

C) Ethylene

D) Acetylene

• question_answer278) Hold fast cell of Ulothrix shows as a:

A) companion cell

C) division of labour

D) none of these

A) somatic chromosomes

B) sexual chromosomes

C) asexual chromosome

D) both (a) and (b)

• question_answer280) Sun hemp is obtained from:

A) Crotalaria jumcea

B) Linum usitatiseinum

C) Cochorus capsularis

D) None of these

• question_answer281) Palenology is the study of:

A) morphology of pollens

B) germination of pollens

C) development of pollens

D) none of these

• question_answer282) The reaction of indole acetic acid (IAA) was tested by:

A) avena curvature test

B) soybean callous test

C) $\alpha$-amylase test

D) none of these

• question_answer283) The main characteristic of bryophyta is:

A) spore formation

B) absence of roots

C) absence of vascular bundle

D) dependence of sporophyte on gametophyte

• question_answer284) Crossing over takes place between:

A) unequal chromatids

B) equal chromatids

C) any two chromatids

D) homologous chromosomes

• question_answer285) The enzyme involved in fixation of $C{{O}_{2}}$ in ${{C}_{4}}$ plants is:

A) PEP carboxylase

B) Ru DP carboxylase

C) RuDP oxydase

D) both (a) and (b)

• question_answer286) Cell organelle covered by single unit membrane is:

A) lysosome

B) nucleus

C) chloroplast

D) mitochondria

• question_answer287) Vegetative reproduction in Cycas occurs by:

A) bulbils

B) sporophylls

C) fission

D) scale leaves

• question_answer288) Suspensor is a part of:

A) developing embryo

B) mature embryo

C) germinating embryo

D) endosperm

• question_answer289) Deposition of which of the following material takes place on casparian strip:

A) Lignin

B) Cutin

C) Suberin

D) All of the above

• question_answer290) Fungus used in genetical experiments is:

A) Neurospora

B) Rhizopus

C) Mucor

D) Anbaena

• question_answer291) Symbiotic relationship between blue-green algae and fungus is called:

A) mycorrhiza

B) lichen

C) bryophyta

D) gymnosperm

• question_answer292) The reason of heteros is formation in plants is:

A) crossing between unrelated plants

B) vegetative reproduction

C) colchicine

D) treatment with mutagen

• question_answer293) Edible oil is obtained from which legumenous plant:

A) Glycine max

B) Ricinus communis

C) Vigna sinensis

D) None of the above

• question_answer294) Photosynthesis takes place maximum in light of:

A) white colour

B) red colour

C) voilet colour

D) green colour

• question_answer295) Asafoctida (Heeng) obtains from:

A) root secretion

B) leaf

C) seed

D) fruit

• question_answer296) Mesophyll of dorsiventral leaf is consist of only spongy mesophyll

C) tissue

D) sometimes spongy and sometimes palisade tissue

• question_answer297) The shape of stomata in Cynodon dactylon (doob) is:

A) oval

B) heart shaped

C) dumb-bell shaped

D) none of these

• question_answer298) Infolding of plasma membrane in gram (+ve) bacterial cell is called:

A) mesosome

B) rcticulum

C) lamellae

D) cristae

• question_answer299) Adventitious roots originates from which part of the stem :

A) epidermis

B) cortex

C) pericycle

D) endodermis

• question_answer300) After virus infection host cell secretes a substance for their resistance is known as:

A) aflatoxins

B) antibody

C) interferons

D) antigen

• question_answer301) Who proposed the principle of limiting factors?

A) Hill

B) Blackmann

C) Amon

D) Liebig

• question_answer302) Characteristics of xerophytes are:

A) long roots

B) thick epidermis

C) sunken stomata

D) all of the above

• question_answer303) Characteristic of hydrophyte is:

A) well developed roots

B) well developed xylem

C) less developed roots

D) well developed stem with sclerenchymatous tissue

• question_answer304) Which of the following follows Chargaff rule?

A) $\text{A+G=T+C}$

B) $\text{A=C}$

C) $\text{G=T}$

D) $\frac{\text{A+T}}{\text{G+C}}\text{=1}$

• question_answer305) Function of cytokinin is:

A) induction of cell division and delay in senescence

B) induction of dormancy

C) inhibiting the abscission

D) inhibiting the cell division

• question_answer306) The endosperm of gymnosperm is:

A) haploid

B) diploid

C) triploid

D) tetraploid

• question_answer307) Which type of embryo development occurs in Capsella ?

A) Crucifer type

B) Solanoid type

C) Aestroid type

D) Mixed and irregular type

• question_answer308) Which of the following takes place in ${{G}_{1}}$ of in terphase?

A) Active synthesis of RNA

B) Active synthesis of protein

C) Active synthesis of DNA

D) Synthesis of RNA and protein

• question_answer309) Which type of movement is present in Mimosa pudica?

A) Nycnastic

B) Seismonastic

C) Chemonastic

D) Phototrophic

• question_answer310) Cotton is obtained from which part of the plant:

A) fruit

B) seed coat

C) pericarp

D) embryo

• question_answer311) In eukaryotic cell, m-RNA synthesis takes place in:

A) nucleus

B) nucleolus

C) cytoplasm

D) rough endoplasmic reticulum

• question_answer312) In which of the following manner distribution of stomata occurs in dorsiventral leaf?

A) More in palisade tissue and less in spongy parenchyma

B) Equal in both palisade and spongy parenchyma

C) More in spongy parenchyma and less in palisade tissue

D) Absent in all of these

• question_answer313) Capselta shows characteristic of which of the following family?

A) Cruciferae

B) Solanaceae

C) Liliaceae

D) Compositae

• question_answer314) Chemical composition of protoplasm contains:

A) O, C, H and N

B) O, N and Fe

C) O, protein and minerals

D) H, C and Fe

• question_answer315) In which of the following the pollen tube discharge their contents during fertilization?

A) In synergid

B) In egg

C) In antipodals

D) In embryo sac

• question_answer316) During conjugation the two bacterial cells attach with:

A) pili

B) flagella

C) cilia

D) hairs

• question_answer317) Group of genes present in an ecosystem is called as:

A) genome

B) gene pool

C) genotype

D) phenotype

• question_answer318) The important thing for the formation of new species is:

A) sexual reproduction

B) variations

C) inbreeding

D) reproductive isolcition

• question_answer319) Pigment innolved in the perception of the photo periodic stimulus is :

A) cytochrome

B) phytochrome

C) chlorophyll

D) carotenoids

• question_answer320) The special structure present in ${{C}_{4}}$ plants is:

A) thin cuticle

B) multi layered epidermis

C) Kranz type body

D) one layered epidermis

• question_answer321) White rust of Brassicu is caused by:

A) Albugo candida

B) Ustilago

C) Phytophthera

D) none of these

• question_answer322) Function of rough endoplasmic reticulum is:

A) fat synthesis

B) protein synthesis

C) starch synthesis

D) autolysis

• question_answer323) Which of the following is a viral causing disease?

A) Leaf curl of Papaya

B) Red rot of Sugarcane

C) Black rust of Wheat

D) Late blight of Potato

• question_answer324) If organic acids arc used as substrate what will be the value of R.Q?

A) 1

B) > 1

C) < 1

D) 0

• question_answer325) Co-factor required for the formation of acetyle CoA is:

A) TPP

B) lipoic acid

C) $M{{g}^{+2}}$ and CoA

D) all of the above

• question_answer326) All number of genotypes for Aa Bb Cc will be:

A) 8

B) 4

C) 12

D) 16

A) mustard

B) onion

C) tomato

D) sunflower

A) cellulose

B) chitin

C) glycogen

D) muramic acid

• question_answer329) Hnploid number of chromosomes in a cell are 10, what will be the number of pairs of homologous chromosomes:

A) 5

B) 10

C) 15

D) 20

• question_answer330) In mitochondria, enzymes responsible for Krebs cycle are present in :

A) matrix

B) inner membrane

C) outer membrane

D) both (a) and (b)

• question_answer331) Gymnospenn may be distinguish from angiospcrm by which of the following characteristic ?

A) Absence of true seed

B) Absence of xerophytic nature

C) Absence of secondary growth

D) None of the above

• question_answer332) Phallogen is also referred as:

A) pericycle

B) cork cambium

C) mcristem

D) ratidom

• question_answer333) In ferns and mosses, movement of anthcrozoids towards female component is called:

A) pholotaxis

B) chemotaxis

C) hydrotropism

D) thigmotropism

• question_answer334) What will be the genotypic ratio of ${{F}_{2}}$ generation in dihybrid cross:

A) 12 : 3 :1

B) 9 : 3 : 3 : 1

C) 1 : 2 : 2 : 4 : 1 : 2 : 1 : 2 : 1

D) 15 : 1

A) fungus

B) plastid

C) part of plasma membrane

D) extra chromosomal DNA in bacterial cell

• question_answer336) The reason for apical do minance is:

A) ethylene

B) auxin

C) cytokinin

D) gibberellins

• question_answer337) Witches broom in Potato plant is caused by:

A) bacteria

B) virus

C) fungus

D) mycoplasma

• question_answer338) Which of the following is monocarpic?

A) Coconut

B) Mango

C) Apple

D) Bamboo

• question_answer339) A plant bearing different type of leaves is called:

A) heterophylly

B) hetcrotrophy

C) hetcrozygosity

D) heteronasty

• question_answer340) Prothallus of Pteridium bears:

A) anthcridia on upper surface anal archcgonia on lower surface

B) anthcridia on lower surface and archegonia on upper surface

C) both archegonia and antheridia on upper surface

D) both antheridia and archegonia on lower surface

• question_answer341) Balloon like out growth formed in xylem vessels is called:

A) tylosis

B) histogen

C) callus

D) none of these

• question_answer342) RNA molecule joins new nucleotides by which of the following bonds?

A) Phospho diester bond

B) Polypeptide bond

C) Covalent bond

D) Hydrogen bond

• question_answer343) The rate of transpiration is measured by:

A) micrometer

B) photometer

C) auxinometer

D) none of these

• question_answer344) Which of the following have correct group of Malvaceae members?

A) Gossypium, Hibiscus, Abutilon

B) Gossypium, Brassica, Lycopersicum

C) Brassica, Gossypium, Hibiscus

D) Gossypium, Hibiscus, Lycopersicum

• question_answer345) The flow of the energy in an ecosystem is:

A) unidirectional

B) multidirectional

C) bidirectional

D) irregular

• question_answer346) Which of the following is a part of a epidermal layer?

A) Guard cell

B) Root hairs

C) Trichomes

D) All of the above

• question_answer347) Respiratory roots and viviparous reproduction are the characteristic of:

A) hydrophytes

B) xerophytes

C) mesophytes

D) mangroves

A) DNA wrapped around histone protein

B) RNA wrapped around histone protein

C) Polymer

D) None of these

• question_answer349) The father of binomial nomenclature was:

A) Linnaeus

B) Engler and Prantl

C) Bentham and Hooker

D) Aristotle

A) Ephedra

B) Ginkgo biloba

C) Equisetum

D) None of these

• question_answer351) An ecosystem is constructing by: (1) producers (2) primary consumer (3) secondary consumer (4) decomposers Which of the above has highest energy?

A) 1

B) 2

C) 3

D) 4

• question_answer352) Commercial opium is obtained from:

A) mature leaves

B) mature seeds

C) unripened capsule

D) germinated plants

• question_answer353) When viral DNA is integrated with that of bacterial DNA the phenomenon is known as:

A) prophase

B) lytic cycle

C) lysogenic cycle

D) none of these

• question_answer354) Transposable element-I was discovered from:

A) Maize

B) Wheat

C) Gram

D) Pea

• question_answer355) Which of the following is fruit sugar?

A) Glucose

B) Fructose

C) Ribose

D) Sucrose

• question_answer356) In angiosperms which form of the carbohydrate is translocated:

A) fructose

B) glucose

C) sucrose

D) ribose

• question_answer357) The net gain of ATP in anaerobic respiration is:

A) 4 ATP

B) 8 ATP

C) 2 ATP

D) 3 ATP

• question_answer358) A monocot plant which shows secondary growth in stem is:

A) Sugarcane

B) Yucca

C) Maize

D) Coconut

• question_answer359) Amphivasal vascular bundle possess:

A) xylem around phloem

B) phloem around xylem

C) phloem on both sides of xylem

D) phloem towards centre and xylem towards periphery

• question_answer360) Sporophyte of Riccia contains:

A) elaters and spores

B) spores and nutritive cells

C) only spores

D) both (a) and (b)

• question_answer361) Zygotic division in Capselh bursa takes place by:

A) longitudinal division

B) equal transverse division

C) unequal transverse division

D) oblique division

• question_answer362) Mendels law of independent assortment can be proved by:

A) back cross

B) test cross

C) monohybrid cross

D) dihybrid cross

• question_answer363) During development of embryo in archegonium of bryophyta its posterior part form protective embryo cover which is called:

A) calyptra

B) paraphysis

C) apophysis

D) hypophysis

• question_answer364) Synaptonemal complex forms in:

A) leptotene

B) zygotene

C) pachytene

D) diplotene

• question_answer365) Scopolamine alkaloids obtains from:

A) Datura stramonium

C) Curcuma longa

D) All of the above

• question_answer366) In which of the following three radial vascular bundles are present?

A) Monocot root

B) Dicot root

C) Monocot stem

D) Dicot stem

• question_answer367) Floral formula $\oplus _{\begin{smallmatrix} O \\ + \end{smallmatrix}}^{\uparrow }\,{{K}_{(5)}}\,{{C}_{(5)}}\,{{A}_{\infty }}\,{{G}_{(5)}}$ belongs to family:

A) Malvaceae

B) Crudferae

C) Compositae

D) Solanaceae

• question_answer368) Bicarpillary, syncarpous bilocular axile placentation and oblique septum are characteristic of:

A) Solanaceae

B) Crucifereae

C) Malvaceae

D) Compositae

• question_answer369) Cork cambium and cambium are the example of:

A) lateral meristem

B) primary meristem

C) intercalary meristem

D) apical meristem

• question_answer370) Thigmotropism is shown by:

A) leaf let

B) stem

C) shoot apex

D) tendril

• question_answer371) In an example of lateral conjugation involving three Spirogyra filaments zoospores will form in :

A) all three filaments

B) two lateral filaments

C) only middle filaments

D) either middle or lateral filaments

• question_answer372) Bacteriophage is consist of:

A) only proteins

B) nucleoproteins

C) protein and lipid

D) only DNA

• question_answer373) In which part of Funaria stomatas are present?

A) Stem

B) Leaf

C) Capsule

D) Foot

• question_answer374) Seed habit is developed first time in:

A) some ferns

B) some pinus

C) some monocots

D) some dicots