Solved papers for Punjab Medical Punjab - MET Solved Paper-2009

Punjab - MET Solved Paper-2009 Total Questions - 200

1) A block is resting on a piston which is moving vertically with SHM of period\[1s\]. At what amplitude of motion will the block and piston separate?

A)

\[0.2m\]

B)

\[0.25m\]

C)

\[0.3\text{ }m\]

D)

\[0.35m\]

View Answer
2) Two simple harmonic motions are given by \[x=A\sin (\omega t+\delta )\]and\[y=A\sin \left( \omega t+\delta +\frac{\pi }{2} \right)\]act on a particle simultaneously, then the motion of particle will be

A)

circular anti-clockwise

B)

elliptical anti-clockwise

C)

elliptical clockwise

D)

circular clockwise

View Answer
3) Two sources are at a finite distance apart. They emit sound of wavelength\[\lambda \]. An observer situated between them on line joining the sources, approaches towards one source with speed\[u\], then the number of beats heard per second by observer will be

A)

\[\frac{2u}{\lambda }\]

B)

\[\frac{u}{\lambda }\]

C)

\[\frac{u}{2\lambda }\]

D)

\[\frac{\lambda }{u}\]

View Answer
4) A man goes at the top of a smooth inclined plane. He releases a bag to fall freely and himself slides down on inclined plane to reach the bottom. If\[{{u}_{1}}\] and\[{{u}_{2}}\]are the velocities of the man and bag respectively, then

A)

\[{{u}_{1}}>{{u}_{2}}\]

B)

\[{{u}_{1}}<{{u}_{2}}\]

C)

\[{{u}_{1}}={{u}_{2}}\]

D)

\[{{u}_{1}}\]and\[{{u}_{2}}\]cannot be compared

View Answer
5) Two planets\[A\]and\[B\]have the same material density. If the radius of\[A\]is twice that of\[B\], then the ratio of escape velocity\[\frac{{{v}_{A}}}{{{v}_{B}}}\]is

A)

\[2\]

B)

\[\sqrt{2}\]

C)

\[\frac{1}{\sqrt{2}}\]

D)

\[\frac{1}{2}\]

View Answer
6) The given figure gives electric lines of force due to two charges\[{{q}_{1}}\]and\[{{q}_{2}}\]. What are the signs of the two charges?

A)

Both are negative

B)

Both are positive

C)

\[{{q}_{1}}\]is positive but\[{{q}_{2}}\]is negative

D)

\[{{q}_{1}}\]is negative but\[{{q}_{2}}\]is positive

View Answer
7) Three point charges\[q,\,\,-2q\]and\[-2q\]are placed at the vertices of an equilateral triangle of side\[a\]. The work done by some external force to increase their separation to\[2a\]will be

A)

negative

B)

\[\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{2{{q}^{2}}}{a}\]

C)

\[\frac{1}{4\pi {{\varepsilon }_{0}}}\frac{3{{q}^{2}}}{a}\]

D)

zero

View Answer
8) A radioactive element \[x\] converts into another stable element\[y\]. Half-life of \[x\] is\[2h\], initially only \[x\] is present. After time \[t\], the ratio of atoms of \[x\] and \[y\] is found to be\[1:4\], then \[c\] in hour is

A)

2

B)

4

C)

between 4 and 6

D)

6

View Answer
9) The shortest wavelength of the Brackett series of hydrogen like atom (atomic number\[=Z\]) is the same as the shortest wavelength of the Balmer series of hydrogen atom. The value of\[Z\] is

A)

3

B)

4

C)

5

D)

2

View Answer
10) Radius of gyration of disc of mass \[50g\] and radius \[2.5cm\] about an axis passing through its centre of gravity and perpendicular to the plane is

A)

\[6.54cm\]

B)

\[3.64cm\]

C)

\[1.77cm\]

D)

\[0.88cm\]

View Answer
11) Ray optics is valid, when characteristic dimensions are

A)

of the same order as the wavelength of light

B)

much smaller than the wavelength of light

C)

of the order of one millimeter

D)

much larger than the wavelength of light

View Answer
12) A beam of electrons is moving with constant velocity in a region having electric and magnetic fields of strength \[20\,\,V{{m}^{-1}}\]and\[0.5T\]at right angles to the direction of motion of the electrons. What is the velocity of the electrons?

A)

\[20\,\,m{{s}^{-1}}\]

B)

\[40\,\,m{{s}^{-1}}\]

C)

\[8\,\,m{{s}^{-1}}\]

D)

\[5.5\,\,m{{s}^{-1}}\]

View Answer
13) Gases begin to conduct electricity at low pressure because

A)

at low pressure, gases turn into plasma

B)

colliding electrons can acquire higher kinetic energy due to increased mean free path leading to ionisation of atoms

C)

atom breaks up into electrons and protons

D)

the electrons in atoms can move freely at low pressure

View Answer
14) A light of wavelength \[5890\overset{\text{o}}{\mathop{\text{A}}}\,\] falls normally on a thin air film. The minimum thickness of the film such that the film appears dark in reflected light is

A)

\[2.945\times {{10}^{-7}}m\]

B)

\[3.945\times {{10}^{-7}}m\]

C)

\[4.95\times {{10}^{-7}}m\]

D)

\[1.945\times {{10}^{-7}}m\]

View Answer
15) For a black body at temperature \[{{727}^{o}}C\] its radiating power is \[60\,\,W\] and temperature of surrounding is\[{{227}^{o}}C\]. If the temperature of the black body is changed to\[{{1227}^{o}}C\], then its radiating power will be

A)

\[120\,\,W\]

B)

\[240\,\,W\]

C)

\[304\,\,W\]

D)

\[320\,\,W\]

View Answer
16) An object is moving through the liquid. The viscous damping force acting on it is proportional to the velocity. Then dimensional formula of constant of proportionality is

A)

\[[M{{L}^{-1}}{{T}^{-1}}]\]

B)

\[[ML{{T}^{-1}}]\]

C)

\[[{{M}^{0}}L{{T}^{-1}}]\]

D)

\[[M{{L}^{0}}{{T}^{-1}}]\]

View Answer
17) A car moves on a circular road. It describes equal angles about the centre in equal intervals of time. Which of the following statements about the velocity of the car is true?

A)

Magnitude of velocity is not constant

B)

Both magnitude and direction of velocity change

C)

Velocity is directed towards the centre of the circle

D)

Magnitude of velocity is constant but direction changes

View Answer
18) A stone is attached to one end of a string and rotated in a vertical circle. If string breaks at the position of maximum tension, it will break at

A)

\[A\]

B)

\[B\]

C)

\[C\]

D)

\[D\]

View Answer
19) A sealed container with negligible coefficient of volumetric expansion contains helium (a monoatomic gas). When it is heated from\[300K\]to\[600K\], the average\[KE\]of helium atoms is

A)

halved

B)

unchanged

C)

doubled

D)

increased by factor\[\sqrt{2}\]

View Answer
20) A convex lens of focal length \[20cm\] placed in contact with a plane mirror acts as a

A)

convex mirror of focal length\[10cm\]

B)

concave mirror of focal length\[40cm\]

C)

concave mirror of focal length\[60cm\]

D)

concave mirror of focal length

View Answer
21) A child is swinging a swing. Minimum and maximum heights of swing from earths surface are \[0.75m\] and \[2m\] respectively. The maximum velocity of this swing is

A)

\[5\,\,m{{s}^{-1}}\]

B)

\[10\,\,m{{s}^{-1}}\]

C)

\[15\,\,m{{s}^{-1}}\]

D)

\[17\,\,m{{s}^{-1}}\]

View Answer
22) At ordinary temperature, the molecules of an ideal gas have only translational and rotational kinetic energies. At high temperatures they may also have vibrational energy. As a result of this at higher temperatures (\[{{C}_{V}}=\]molar heat capacity at constant volume)

A)

\[{{C}_{V}}=\frac{3}{2}R\]for a monoatomic gas

B)

\[{{C}_{V}}>\frac{3}{2}R\]for a monoatomic gas

C)

\[{{C}_{V}}<\frac{5}{2}R\]for a diatomic gas

D)

\[{{C}_{V}}=\frac{5}{2}R\]for a diatomic gas

View Answer
23) Work done per mol in an isothermal change is

A)

\[RT{{\log }_{10}}\frac{{{V}_{2}}}{{{V}_{1}}}\]

B)

\[RT{{\log }_{10}}\frac{{{V}_{1}}}{{{V}_{2}}}\]

C)

\[RT{{\log }_{e}}\frac{{{V}_{2}}}{{{V}_{1}}}\]

D)

\[RT{{\log }_{e}}\frac{{{V}_{1}}}{{{V}_{2}}}\]

View Answer
24) For a given plate-voltage, the plate current in a triode is maximum when the-potential of

A)

the grid is positive and plate is negative

B)

the grid is positive, and plate is positive

C)

the grid is zero and plate is positive

D)

the grid is negative and plate is positive

View Answer
25) A wire is wound in the form of a solenoid of length \[l\] and distance\[d\]. When a strong current is passed through a solenoid, there is a tendency to

A)

increase\[l\]but decrease\[d\]

B)

keep both\[l\]and d constant

C)

decrease\[l\]but increase\[d\]

D)

increase both\[l\]and\[d\]

View Answer
26) The soave of a galvanometer of resistance\[100\Omega \]. contains 25 divisions. It gives a deflection of one division on passing a current of\[4\times {{10}^{-4}}A\]. The resistance in ohm to be added to it, so that it may become a voltmeter of range\[2.5V\]is

A)

150

B)

                       170

C)

110

D)

220

View Answer
27) A train is moving with a constant speed along a circular track. The engine of the train emits a sound of frequency\[f\]. The frequency heard by the guard at rear end of the train is

A)

less than\[f\]

B)

equal to\[f\]

C)

is greater than\[f\]

D)

may be greater than, less than or equal to\[f\] depending on the factors like speed of train, length of train and radius of circular track

View Answer
28) If\[{{\lambda }_{1}},\,\,{{\lambda }_{2}}\]and\[{{\lambda }_{3}}\]are the wavelengths of the waves giving resonance with the fundamental, first and second overtones respectively of a closed organ pipe. Then the ratio of wavelengths\[{{\lambda }_{1}}:{{\lambda }_{2}}:{{\lambda }_{3}}\]

A)

\[1:3:5\]

B)

\[1:2:3\]

C)

\[5:3:1\]

D)

\[1:\frac{1}{3}:\frac{1}{5}\]

View Answer
29) By what percent the energy of a satellite has to be increased to shift it from an orbit of radius\[r\]to\[\frac{3}{2}r\]?

A)

\[15%\]

B)

\[20.3%\]

C)

\[66.7%\]

D)

\[33.33%\]

View Answer
30) The slope of plate characteristic of a vacuum diode is\[2\times {{10}^{-2}}mA{{V}^{-1}}\]. The plate resistance of diode will be

A)

\[50\Omega \]

B)

\[50k\Omega \]

C)

\[500\Omega \]

D)

\[500k\Omega \]

View Answer
31) A stone is thrown vertically upwards. When stone is at a height half of its maximum height, its speed is\[10\,\,m{{s}^{-1}}\], then the maximum height attained by the stone is \[(g=10m{{s}^{-2}})\]

A)

\[5m\]

B)

\[150m\]

C)

\[20m\]

D)

\[10m\]

View Answer
32) Figures (1) and (2) show the displacement-time graphs of two particles moving along the \[x-\]axis. We can say that

A)

both the particles are having a uniform accelerated motion

B)

both the particles are having a uniform retarted motion

C)

particle (1) is having uniform accelerated motion while particle (2) is having a uniform retarted motion

D)

particle (1) is having a uniformly retarted motion while particle (2) is having a uniformly accelerated motion

View Answer
33) A particle of mass \[m\] is executing uniform circular motion on a path of radius\[r\]. If \[p\] is the magnitude of its linear momentum. The radial force acting on the particle is

A)

\[pmr\]

B)

\[\frac{rm}{p}\]

C)

\[\frac{m{{p}^{2}}}{r}\]

D)

\[\frac{{{p}^{2}}}{rm}\]

View Answer
34) Water rises to a height \[h\] in a capillary tube lowered vertically into a water to a depth\[l\]. The lower end of the tube is closed inside the water and the tube is taken out of water and opened. If \[l<h\], then the length of water column remaining in the tube is

A)

\[zero\]

B)

\[l+h\]

C)

\[2h\]

D)

\[h\]

View Answer
35) In the circuit, the potential difference across\[PQ\] will be nearest to

A)

\[9.6\,\,V\]

B)

\[6.6\,\,V\]

C)

\[4.8\,\,V\]

D)

\[3.2\,\,V\]

View Answer
36) A ball hits a vertical wall horizontally at \[10\,\,m{{s}^{-1}}\] and bounces back at \[10\,\,m{{s}^{-1}}\], then

A)

there is no acceleration because\[10m{{s}^{-1}}-10m{{s}^{-1}}=0\]

B)

there may be an acceleration because its initial direction is horizontal

C)

there is an acceleration because there is a momentum change

D)

even though there is no change in momentum there is a change in direction. Hence it has an acceleration

View Answer
37) Sodium and copper have work functions \[2.3eV\]and\[4.5eV\]respectively. Then the ratio of their threshold wavelengths is nearest to

A)

\[1:2\]

B)

\[2:1\]

C)

\[1:4\]

D)

\[4:1\]

View Answer
38) Water flows along a horizontal pipe whose cross-section is not constant. The pressure is \[1cm\]of \[Hg\] where the velocity is\[35\,\,cm{{s}^{-1}}\]. At a point where the velocity is\[65\,\,cm{{s}^{-1}}\], the pressure will be

A)

\[0.89cm\]of\[Hg\]

B)

\[8.9cm\]of\[Hg\]

C)

\[0.5cm\]of\[Hg\]

D)

\[1cm\]of\[Hg\]

View Answer
39) In an inductor of self-inductance\[L=2\,\,mH\], current changes with time according to relation\[I={{t}^{2}}{{e}^{-t}}\]. At what time emf is zero?

A)

\[3s\]

B)

\[4s\]

C)

\[1s\]

D)

\[2s\]

View Answer
40) A capacitor of \[10\mu F\] is charged to a potential \[50\,\,V\]with a battery. The battery is now disconnected and an additional charge\[200\mu C\]is given to the positive plate of the capacitor. The potential difference across the capacitor will be

A)

\[100\,\,V\]

B)

\[60\,\,V\]

C)

\[80\,\,V\]

D)

\[50\,\,V\]

View Answer
41) A lump of clay of mass \[10g\] travelling with a velocity of \[10\,\,cm{{s}^{-1}}\] towards east collides head on with another lump of clay of mass\[10g\]travelling with velocity of\[20\,\,cm{{s}^{-1}}\]towards west. If the two lumps coalesce after collision, what is its velocity, if no external force acts on the system?

A)

\[15\,cm{{s}^{-1}}\]towards west

B)

\[15\,cm{{s}^{-1}}\]towards east

C)

\[5\,cm{{s}^{-1}}\]towards west

D)

\[5\,cm{{s}^{-1}}\]towards east

View Answer
42) A particle is fired with a speed of\[2km{{h}^{-1}}\]. The speed with which it will move in intersteller space is\[({{v}_{e}}=8\sqrt{2}km{{h}^{-1}})\]

A)

\[16.5\,km{{h}^{-1}}\]

B)

\[11.2\,km{{h}^{-1}}\]

C)

\[10\,km{{h}^{-1}}\]

D)

\[8.8\,km{{h}^{-1}}\]

View Answer
43) A car of mass\[1500kg\]is moving with a speed of\[12.5m{{s}^{-1}}\]on a circular path of radius\[20m\]on a level road. The value of coefficient of friction between the tyres and road, so that the car does not slip, is

A)

\[0.8\]

B)

\[0.6\]

C)

\[0.4\]

D)

\[0.2\]

View Answer
44) If\[{{\mathbf{\vec{a}}}_{1}}\]and\[{{\mathbf{\vec{a}}}_{2}}\]are two non-collinear unit vectors if\[|{{\mathbf{\vec{a}}}_{1}}+{{\mathbf{\vec{a}}}_{2}}|=\sqrt{3}\], then the value of\[({{\mathbf{\vec{a}}}_{1}}-{{\mathbf{\vec{a}}}_{2}})\cdot (2{{\mathbf{\vec{a}}}_{1}}+{{\mathbf{\vec{a}}}_{2}})\]is

A)

\[2\]

B)

\[\frac{3}{2}\]

C)

\[\frac{1}{2}\]

D)

\[1\]

View Answer
45) The energy of photon light is\[3eV\]. Then the wavelength of photon must be

A)

\[4125\,\,nm\]

B)

\[412.5\,\,nm\]

C)

\[41.250\,\,nm\]

D)

\[4\,\,nm\]

View Answer
46) The half-life of radioactive material is\[3h\]. If the initial amount is\[300g\]. Then after\[18h\], it will remain

A)

\[4.69\,\,g\]

B)

\[46.8\,\,g\]

C)

\[9.375\,\,g\]

D)

\[93.75\,\,g\]

View Answer
47) The wavelength of\[{{K}_{a}}\]\[X-\]rays for lead isotopes \[P{{b}^{208}}\],\[P{{b}^{206}}\]and\[P{{b}^{204}}\]are\[{{\lambda }_{1}},\,\,{{\lambda }_{2}}\]and\[{{\lambda }_{3}}\]respectively. Then

A)

\[{{\lambda }_{1}}={{\lambda }_{2}}={{\lambda }_{3}}\]

B)

\[{{\lambda }_{1}}>{{\lambda }_{2}}>{{\lambda }_{3}}\]

C)

\[{{\lambda }_{1}}<{{\lambda }_{2}}<{{\lambda }_{3}}\]

D)

\[{{\lambda }_{1}}={{\lambda }_{2}}>{{\lambda }_{3}}\]

View Answer
48) A wire\[50cm\]long and\[1m{{m}^{2}}\]in cross-section carries a current of\[4A\]when connected to a \[2\,\,V\]battery. The resistivity of the wire is

A)

\[2\times {{10}^{-7}}\Omega \,\,m\]

B)

\[5\times {{10}^{-7}}\Omega \,\,m\]

C)

\[4\times {{10}^{-6}}\Omega \,\,m\]

D)

\[1\times {{10}^{-6}}\Omega \,\,m\]

View Answer
49) A magnet\[10cm\]long and having a pole strength\[2Am\]is deflected through\[{{30}^{o}}\]from the magnetic meridian. The horizontal component of earths introduction is\[0.32\times {{10}^{-4}}T\], then the value of deflecting couple is

A)

\[16\times {{10}^{-7}}Nm\]

B)

\[64\times {{10}^{-7}}Nm\]

C)

\[48\times {{10}^{-7}}Nm\]

D)

\[32\times {{10}^{-7}}Nm\]

View Answer
50) A closely wound flat circular coil of 25 turns of wire has diameter of\[10cm\]which carries current of\[4A\], the flux density at the centre of a coil will be

A)

\[2.28\times {{10}^{-6}}T\]

B)

\[1.679\times {{10}^{-6}}T\]

C)

\[1.256\times {{10}^{-3}}T\]

D)

\[1.572\times {{10}^{-5}}T\]

View Answer
51) Benzene reacts with\[C{{H}_{3}}COCl\]in the presence of\[AlC{{l}_{3}}\]and gives

A)

\[{{C}_{6}}{{H}_{5}}COC{{H}_{5}}\]

B)

\[{{C}_{6}}{{H}_{5}}C{{H}_{3}}\]

C)

\[{{C}_{6}}{{H}_{5}}OC{{H}_{3}}\]

D)

\[{{C}_{7}}{{H}_{14}}\]

View Answer
52) Lucas test is given fastly by

A)

butanol-2

B)

butanol-1

C)

150-butanol

D)

2-methyl-2-propanol

View Answer
53) \[N{{H}_{3}}\]gas is passed over heated copper oxide. It oxidises to

A)

\[{{N}_{2}}\]

B)

\[N{{O}_{2}}\]

C)

\[NO\]

D)

\[HN{{O}_{2}}\]

View Answer
54) Which of the following compounds shows optical isomerism?

A)

\[C{{H}_{3}}-CH-BrCOOH\]

B)

\[C{{H}_{2}}OHC{{H}_{2}}-COOH\]

C)

\[COOHCHBr-COOH\]

D)

\[C{{H}_{2}}Br-C{{H}_{2}}-COOH\]

View Answer
55) \[C{{H}_{2}}=C{{H}_{2}}\xrightarrow{HBr}X\xrightarrow{Aq.KOH}Y\xrightarrow[{{I}_{2}}]{N{{a}_{2}}C{{O}_{3}}}Z\]In the above reaction sequence,\[Z\]is

A)

\[{{C}_{2}}{{H}_{5}}OH\]

B)

\[{{C}_{2}}{{H}_{5}}I\]

C)

\[C{{H}_{3}}CHO\]

D)

\[CH{{I}_{3}}\]

View Answer
56) \[{{C}_{6}}{{H}_{5}}Cl+C{{H}_{3}}Cl\xrightarrow{Na/dry\,\,ether}{{C}_{6}}{{H}_{5}}C{{H}_{3}}\]\[+2NaCl\] This reaction is an example of

A)

Wurtz reaction

B)

Fittig reaction

C)

Wurtz-Fittig reaction

D)

Frankland reaction

View Answer
57) The main difference between formic acid and acetic acid is that formic acid is

A)

less acidic

B)

dehydrating agent

C)

reducing agent

D)

bleaching agent

View Answer
58) Hinsberg reagent,\[{{C}_{6}}{{H}_{5}}S{{O}_{2}}Cl\]does not react with

A)

\[1{}^\circ \text{amine}\]

B)

\[2{}^\circ \text{amine}\]

C)

\[3{}^\circ \text{amine}\]

D)

\[N{{H}_{3}}\]

View Answer
59) Ordinary glass is formed by mixing of

A)

\[N{{a}_{2}}C{{O}_{3}}+CaC{{O}_{3}}\]

B)

\[N{{a}_{2}}C{{O}_{3}}+CaC{{O}_{3}}+silica\]

C)

\[silica+N{{a}_{2}}C{{O}_{3}}\]

D)

\[silica+borax\]

View Answer
60) Correct order of freezing point of \[1M\]solution of sucrose,\[KCl,\,\,BaC{{l}_{2}}\]and\[AlC{{l}_{3}}\]is

A)

\[Sucrose>KCl>BaC{{l}_{2}}>AlC{{l}_{3}}\]

B)

\[AlC{{l}_{3}}>BaC{{l}_{2}}>KCl>Sucrose\]

C)

\[BaC{{l}_{2}}>KCl>AlC{{l}_{3}}>Sucrose\]

D)

\[KCl>BaC{{l}_{2}}>AlC{{l}_{3}}>Sucrose\]

View Answer
61) Table sugar is

A)

sucrose

B)

glucose

C)

fructose

D)

maltose

View Answer
62) If\[\frac{3}{4}\]quantity of a radioactive substance disintegrates in\[60min\], its half-life period will be

A)

\[15min\]

B)

half an hour

C)

one hour

D)

one day

View Answer
63) Element with atomic number 81, is present in which block?

A)

\[s-block\]

B)

\[p-block\]

C)

\[d-block\]

D)

\[f-block\]

View Answer
64) Correct order of basic strength is

A)

\[Mg{{(OH)}_{2}}>NaOH>Al{{(OH)}_{3}}\]

B)

\[Mg{{(OH)}_{2}}>Al{{(OH)}_{3}}>NaOH\]

C)

\[NaOH>Mg{{(OH)}_{2}}>Al{{(OH)}_{3}}\]

D)

\[Al{{(OH)}_{3}}>Mg{{(OH)}_{2}}>NaOH\]

View Answer
65) Which of the following will give carbylamines test?

A)

N, N-dimethyl aniline

B)

2, 4-dimethyl aniline

C)

N-methyl-2-methylaniline

D)

N-methyl benzyiamine

View Answer
66) Consider following reactions \[I:C(s)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow{{}}CO(g);\,\,\Delta {{H}_{1}}=a\] (b)\[CO(g)+\frac{1}{2}{{O}_{2}}(g)\xrightarrow{{}}C{{O}_{2}}(g);\,\,\Delta {{H}_{2}}=b\] (c)\[C(s)+C{{O}_{2}}(g)\xrightarrow{{}}2CO(g);\Delta {{H}_{3}}=c\] Select correct statement

A)

Heat of formation of\[C{{O}_{2}}\]is\[(a+b)\]

B)

Heat of combustion of\[C\]is\[(a+b)\]

C)

\[\Delta {{H}_{3}}=\Delta {{H}_{1}}-\Delta {{H}_{2}}\]

D)

All the above are correct statements

View Answer
67) Following reaction is catalysed by\[B{{r}^{-}}(aq)\]. \[2{{H}_{2}}{{O}_{2}}(aq)\xrightarrow{{}}2{{H}_{2}}O(I)+{{O}_{2}}(g)\] This is an example of

A)

homogeneous catalysis

B)

heterogeneous catalysis

C)

autocatalysis

D)

enzyme catalysis

View Answer
68) Ethylidene dibromide\[\xrightarrow{A}CH\equiv CH\,\,A\]is

A)

\[aq.KOH\]

B)

\[alc.KOH\]

C)

\[conc.{{H}_{2}}S{{O}_{4}}\]

D)

All of these

View Answer
69) \[{{I}_{2}}+2{{S}_{2}}O_{3}^{2-}\xrightarrow{{}}{{S}_{2}}O_{6}^{2-}+2{{I}^{-}}\] In the above reaction

A)

iodine is reduced; sulphur is reduced

B)

iodine is reduced; sulphur is oxidized

C)

iodine is oxidised; sulphur is reduced

D)

iodine is oxidised; sulphur is oxidized

View Answer
70) Which is the strongest acid?

A)

\[{{C}_{2}}{{H}_{6}}\]

B)

\[{{C}_{6}}{{H}_{6}}\]

C)

\[CH\equiv CH\]

D)

\[C{{H}_{3}}OH\]

View Answer
71) Number of spectral lines of Lyman series of electron when it jumps from 6 to first level (in Lyman series), is

A)

9

B)

12

C)

15

D)

18

View Answer
72) Which of the following compounds does liberate\[C{{O}_{2}}\]from\[NaHC{{O}_{3}}\]?

A)

\[C{{H}_{3}}OH\]

B)

\[C{{H}_{3}}N{{H}_{2}}\]

C)

\[{{(C{{H}_{3}})}_{4}}{{N}^{+}}O{{H}^{-}}\]

D)

\[C{{H}_{3}}N{{H}_{3}}C{{l}^{-}}\]

View Answer
73) \[\begin{align} & {{H}_{3}}C-CH=C-C{{H}_{2}}-C{{H}_{3}} \\ & C{{H}_{3}}-C{{H}_{2}}-\overset{|}{\mathop{C}}\,{{H}_{2}} \\ \end{align}\] Correct \[IUPAC\] name is

A)

3-ethylhex-2-ene

B)

3-ethylpent-2-ene

C)

3-ethylpent-3-ene

D)

3-propylpent-2-ene

View Answer
74) In an organic compound,\[C=68.5%\]and\[H=4.91%\]. Which empirical formula is correct for it?

A)

\[{{C}_{6}}{{H}_{10}}\]

B)

\[{{C}_{7}}{{H}_{6}}{{O}_{2}}\]

C)

\[{{C}_{5}}{{H}_{8}}O\]

D)

\[{{C}_{9}}{{H}_{3}}O\]

View Answer
75) \[E{}^\circ \]for\[M{{g}^{2+}}/Mg=-2.37\,\,V,\,\,Z{{n}^{2+}}/Zn=-0.76\,V\]and\[F{{e}^{2+}}/Fe=-0.44\,\,V\]. Which statement is correct?

A)

\[Zn\]reduce\[F{{e}^{2+}}\]

B)

\[Zn\]reduces\[M{{g}^{2+}}\]

C)

\[Mg\]oxidises Fe

D)

\[Zn\]oxidises\[Fe\]

View Answer
76) Enolic form of acetone has

A)

\[8\sigma ,\,1\pi ;\,2\]lone pairs

B)

\[9\sigma ,\,2\pi ;\,1\]lone pair

C)

\[8\sigma ,\,2\pi ;\,1\]lone pair

D)

\[9\sigma ,\,\,1\pi ;\,2\]lone pairs

View Answer
77) \[0.126g\]of an acid is titrated with \[0.1N20mL\] of an base. The equivalent weight of the acid is

A)

63

B)

50

C)

53

D)

23

View Answer
78) Darking of surfaces painted with white lead is due to

A)

\[{{H}_{2}}S\]

B)

\[C{{O}_{2}}\]

C)

\[Cu\]

D)

\[{{O}_{2}}\]

View Answer
79) Which of the following will give \[{{H}_{2}}\] gas with dilute\[HN{{O}_{3}}\]?

A)

\[Mg\]

B)

\[Zn\]

C)

\[Cu\]

D)

\[Hg\]

View Answer
80) When alkyl aryl ether is heated with HI, it gives

A)

alcohol and phenol

B)

alcohol and aryl halide

C)

phenol and alkyl halide

D)

alkyl halide and aryl halide

View Answer
81) Which of the following is the purest commercial form of iron?

A)

Cast iron

B)

Steel

C)

Wrought iron

D)

Pig iron

View Answer
82) What is the oxidation number of \[Fe\] in\[Fe{{(CO)}_{s}}\]?

A)

\[+3\]

B)

\[zero\]

C)

\[+2\]

D)

\[+5\]

View Answer
83) Fog is a colloidal solution of

A)

gaseous particles dispersed in liquid

B)

liquid dispersed in gas

C)

gaseous particles dispersed in gas

D)

solid dispersed in gas

View Answer
84) A petrol pump hose pipe for delivery of petrol is made up of

A)

natural rubber

B)

vulcanized rubber

C)

neoprene

D)

butadiene rubber

View Answer
85) German silver is an alloy of

A)

\[Cu\]and\[Zn\]

B)

\[Cu\]and\[Ag\]

C)

\[Cu\]and\[Sn\]

D)

\[Cu,\,\,Zn\]and\[Ni\]

View Answer
86) On increasing pressure, melting point of ice

A)

decreases

B)

increases

C)

remains unchanged

D)

changes in regular manner

View Answer
87) Identify \[Z\] in the following sequence of reactions. \[C{{H}_{3}}COOH\xrightarrow{N{{H}_{3}}}X\xrightarrow{\Delta }Y\xrightarrow{{{P}_{2}}{{O}_{5}}}Z\]

A)

\[C{{H}_{4}}\]

B)

\[C{{H}_{3}}CHO\]

C)

\[C{{H}_{3}}CN\]

D)

\[C{{H}_{3}}CO{{O}^{-}}NH_{4}^{+}\]

View Answer
88) Which of the following is the most stable carbocation?

A)

\[{{C}_{6}}{{H}_{5}}CH_{2}^{+}\]

B)

\[C{{H}_{3}}CH_{2}^{+}\]

C)

\[{{(C{{H}_{3}})}_{2}}\overset{+}{\mathop{C}}\,H\]

D)

\[{{(C{{H}_{3}})}_{3}}{{C}^{+}}\]

View Answer
89) Dehydration of methyl alcohol with concentrated\[{{H}_{2}}S{{O}_{4}}\]yields

A)

methane

B)

ethane

C)

dimethyl ether

D)

acetone

View Answer
90) \[60mL\]of\[\frac{N}{5}{{H}_{2}}S{{O}_{4}}\],\[10mL\]of\[\frac{N}{2}HN{{O}_{3}}\]and\[30mL\]of \[\frac{N}{10}HCl\]are mixed together. The strength of the resulting mixture is

A)

\[0.1N\]

B)

\[0.2N\]

C)

\[0.3N\]

D)

\[0.4N\]

View Answer
91) A gas can be liquified

A)

at its critical temperature

B)

above its critical temperature

C)

below its critical temperature

D)

at\[{{0}^{o}}C\]

View Answer
92) The compound that is considered as a true peroxide, is

A)

\[Pb{{O}_{2}}\]

B)

\[Ba{{O}_{2}}\]

C)

\[Mn{{O}_{2}}\]

D)

\[N{{O}_{2}}\]

View Answer
93) Which of the following oxides of nitrogen does react with \[FeS{{O}_{4}}\] to form a brown compound in the test of nitrate?

A)

\[{{N}_{2}}O\]

B)

\[NO\]

C)

\[N{{O}_{2}}\]

D)

\[{{N}_{2}}{{O}_{5}}\]

View Answer
94) For the equilibrium,\[2N{{O}_{2}}(g){{N}_{2}}{{O}_{4}}(g)+14.6\,\,kcal\],increase in temperature

A)

favours the formation of\[{{N}_{2}}{{O}_{4}}\]

B)

favours the decomposition of\[{{N}_{2}}{{O}_{4}}\]

C)

does not affect equilibrium

D)

stop the reaction

View Answer
95) A certain mass of the oxygen gas occupies\[7L\]volume under a pressure of\[380\,\,mm\,\,Hg\]. The volume of the same mass of the gas at standard pressure, with temperature remaining constant, shall be

A)

\[26.60L\]

B)

\[54.28L\]

C)

\[3.5L\]

D)

\[7L\]

View Answer
96) Peroxide bond is absent in

A)

\[{{({{S}_{2}}{{O}_{7}})}^{2-}}\]

B)

\[{{({{S}_{2}}{{O}_{8}})}^{2-}}\]

C)

\[Cr{{O}_{5}}\]

D)

\[Ba{{O}_{2}}\]

View Answer
97) Two acids\[A\]and\[B\]have\[P{{K}_{a}}4\]and\[6\], then

A)

\[A\] is \[4/6\] times stronger than\[B\]

B)

\[A\] is \[10\] times stronger than\[B\]

C)

\[A\] is \[6/4\] times stronger than\[B\]

D)

\[B\] is \[10\] times stronger than\[A\]

View Answer
98) Which compound is expected to be coloured?

A)

\[CuCl\]

B)

\[Cu{{F}_{2}}\]

C)

\[A{{g}_{2}}S{{O}_{4}}\]

D)

\[Mg{{F}_{2}}\]

View Answer
99) Which compound is insoluble in dilute\[HN{{O}_{3}}\]and dissolved in aqua regia?

A)

\[HgS\]

B)

\[CuS\]

C)

\[B{{i}_{2}}{{S}_{3}}\]

D)

\[PbS\]

View Answer
100) The process of converting hydrated alumina into anhydrous alumina is called

A)

roasting

B)

smelting

C)

dressing

D)

calcination

View Answer
101) Perianth is represented by

A)

nines

B)

lemma

C)

lodicules

D)

palea

View Answer
102) Table sugar is consist of

A)

lactose

B)

sucrose

C)

maltose

D)

glucose

View Answer
103) The terminator gene technology causes

A)

failure of seed setting after one generation

B)

breakage of seed dormancy

C)

early flowering in plants

D)

None of the above

View Answer
104) The term totipotency refers to

A)

the capability of organism to regenerate its lost parts

B)

capability of somatic cells to produce complete organism

C)

the introduction of foreign gene in a cells DNA

D)

the technique of growing immature embryos

View Answer
105) Work of Beadle and Tatum on Neurospora crassa proved that

A)

replication of DNA is semi-conservative

B)

viruses have genetic material

C)

every gene is responsible for specific enzymes

D)

plant cells are totipotent

View Answer
106) Polyploidy means occurence of

A)

haploid sets of chromosomes

B)

diploid sets of chromosomes

C)

more than diploid sets of chromosomes

D)

All of the above

View Answer
107) The deteriorative processes in plants, that naturally terminate their functional life, are collectively called

A)

wilting

B)

abscission

C)

plasmolysis

D)

senescence

View Answer
108) Which pigment involves in photoperiodic change in plants?

A)

Phytochrome

B)

Cytochrome

C)

Chlorophyll

D)

Anthocyanin

View Answer
109) Linnaen system of plant classification is based on

A)

morphological and anatomical characters

B)

evolutionary trends

C)

floral characters

D)

None of the above

View Answer
110) Succession on secondary base area is

A)

prirnosere

B)

subscre

C)

xerosere

D)

None of these

View Answer
111) An unrestricted reproductive capacity is called

A)

birth rate

B)

biotic potential

C)

carrying capacity

D)

fertility

View Answer
112) Ubisch bodies are secreted by

A)

tapetum

B)

exine

C)

microspore mother cells

D)

endothecium

View Answer
113) Alginic acid is found in the cell wall of

A)

Gigartina

B)

Laminaria

C)

Gelidium

D)

Scytonema

View Answer
114) Lady finger (bhindi) belongs to

A)

Malvaceae

B)

Cruciferae

C)

Solanaceae

D)

Liliaceae

View Answer
115) P-proteins are associated with

A)

sieve tube elements

B)

xylem parenchyma

C)

trichomes

D)

tracheids and vessels

View Answer
116) Potato is a modification of

A)

stem

B)

rhizome

C)

root

D)

leaf

View Answer
117) Antherozoids of Dryopteris are

A)

multi ciliated and coiled

B)

multi ciliated and sickle-shaped

C)

biciliated and coiled

D)

biciliated and sickle-shaped

View Answer
118) Ginger multiplies vegetatively by

A)

bud

B)

tuber

C)

stem

D)

rhizome

View Answer
119) In Cycas stem, open vascular bundle is characterized by

A)

phloem being sand witched between xylem

B)

cambium present in between xylem and phloem

C)

xylem being sand witched between phloem

D)

xylem and phloem occurring on different

View Answer
120) From which part of coconut coir is obtained?

A)

Pericarp

B)

Mesocarp

C)

Epicarp

D)

Endocarp

View Answer
121) Both heterospoiy and cirdnate plyxis occur in

A)

Dryopteris

B)

Pinus

C)

Cycas

D)

Funaria

View Answer
122) In Funaria, the stomata are found in

A)

foot

B)

seta

C)

capsule

D)

All of these

View Answer
123) Tracheophyta consists of

A)

bryophytes only

B)

ptendophytes only

C)

gymnosperms and angiospenns

D)

Both (b) and (c)

View Answer
124) Greenhouse effect is mainly caused by

A)

\[CFCs\]

B)

\[C{{H}_{4}}\]

C)

\[C{{O}_{2}}\]

D)

\[CO\]

View Answer
125) Nucellar polyembryony occurs in

A)

Corchorus

B)

Citrus

C)

Carthamus

D)

Zea mays

View Answer
126) Male gametophyte of angiosperms is reduced to

A)

one cell

B)

two cells

C)

three cells

D)

four cells

View Answer
127) In \[{{C}_{3}}\] plants, the first stable product of photosynthesis during dark reaction is

A)

\[PGAL\]

B)

\[RuBP\]

C)

\[PGA\]

D)

\[OAA\]

View Answer
128) During the formation of embryo sac, the functional megaspore undergoes

A)

two mitotic divisions

B)

two meiotic divisions

C)

three meiotic divisions

D)

three mitotic divisions

View Answer
129) The first \[C{{O}_{2}}\] acceptor in \[{{C}_{4}}\] cycle is

A)

\[RuBP\]

B)

\[PEP\]

C)

\[PGA\]

D)

\[OAA\]

View Answer
130) The water available to plants for absorption is

A)

gravitational water

B)

hygroscopic water

C)

capillary water

D)

chemically bound water

View Answer
131) Cell wall of fungi is made up of

A)

fungal cellulose

B)

hemicellulose

C)

fungal chitin

D)

Both (a) and (c)

View Answer
132) The plant ash indicates

A)

organic matter of plant

B)

mineral salts absorbed by plants

C)

both mineral salts and organic matter

D)

silica absorbed by plants

View Answer
133) During cell cycle, RNA and non-histone proteins are synthesized in

A)

\[S-\]phase

B)

\[{{G}_{0}}-\]phase

C)

\[{{G}_{2}}-\] phase

D)

\[M-\]phase

View Answer
134) Which one of the following h the terminal electron acceptor?

A)

Molecular\[C{{O}_{2}}\]

B)

Molecular\[{{O}_{2}}\]

C)

Molecular\[{{H}_{2}}\]

D)

\[NADP{{H}_{2}}\]

View Answer
135) Bract is a modified

A)

Petal

B)

sepal

C)

leaf

D)

involucre

View Answer
136) Hormone replacing the requirement of vernalization is

A)

ethylene

B)

auxin

C)

gibberellins

D)

cytokinin

View Answer
137) Thigmotropism is best seen in

A)

tendrils

B)

leaf apex

C)

root apex

D)

stem apex

View Answer
138) Transpiration is measured by

A)

potometre

B)

porometre

C)

auxanometre

D)

respirometre

View Answer
139) The function of polymerase chain reaction is

A)

transduction

B)

DNA amplification

C)

translation

D)

None of these

View Answer
140) Mutation is more common when it is present in

A)

recessive condition

B)

dominant condition

C)

constant in population

D)

None of the above

View Answer
141) The most common type of ovule in angiosperms is

A)

amphitropous

B)

atropous

C)

anatropous

D)

circinotropous

View Answer
142) When two hybrids \[rrTt\] and \[Rrtt\] are crossed, the phenotype ratio of offspring would be

A)

\[3:1\]

B)

\[9:3:3:1\]

C)

\[1:1\]

D)

\[1:1:1:1\]

View Answer
143) One of the most resistant known biological material is

A)

lignin

B)

hemicellulose

C)

sporopollenin

D)

ugnocellulose

View Answer
144) Energy enters the ecosystem through

A)

herbivore

B)

carnivore

C)

producer

D)

decomposer

View Answer
145) In soil profile, humus is present in

A)

horizon\[-O\]

B)

horizon\[-A\]

C)

horizon\[-B\]

D)

horizon\[-C\]

View Answer
146)  The smallest angiospermic flower is

A)

Wolffia

B)

Ranunculus

C)

Rafflesia

D)

Stellaria

View Answer
147) The pyramid of energy is always

A)

opaque

B)

horizontal

C)

upright

D)

inverted

View Answer
148) The transition zone between the two vegetations of ecosystem is called

A)

ecotone

B)

ecocline

C)

ecosystem

D)

ecesis

View Answer
149) Protein in silk thread is

A)

fibroin

B)

keratin

C)

albumin

D)

globulin

View Answer
150) Thermoregulatory centre of human body is associated with

A)

cerebrum

B)

cerebellum

C)

hypothalamus

D)

medulla oblongata

View Answer
151) Body cavity of adult Ascaris is

A)

haemocoel

B)

amphicoel

C)

pseudocoel

D)

schizocoel

View Answer
152) Collar cells are characteristic of

A)

earthworm

B)

roundworms

C)

coelenterata

D)

sponges

View Answer
153) In honey bee, the drones are

A)

sterile male

B)

fertile male

C)

fertile female

D)

sterile female

View Answer
154) Crypts of Leiberkuhn are involved in

A)

secretion of succus entericus

B)

secretion of rennin

C)

secretion of ptyalin

D)

digestion of food

View Answer
155) Plasmids are found in

A)

virus

B)

bacteria

C)

fungi

D)

viroid

View Answer
156) Oxygen dissociation curve is

A)

sigmoid

B)

parabolic

C)

hyperbolic

D)

straight line

View Answer
157) Blood leaving the liver and going towards heart is rich in

A)

bile

B)

urea

C)

ammonia

D)

oxygen

View Answer
158) Membrane that covers the vacuole in a plant cell is called

A)

tonoplast

B)

tonoplasm

C)

jacket

D)

cell membrane

View Answer
159) In earthworm, gizzard is found, in which of the following segments?

A)

9th segment

B)

18th segment

C)

13th segment

D)

16th segment

View Answer
160) The infective stage of Entamoeba histolytica is

A)

trophozoite stage

B)

binucleated cyst stage

C)

tetranucleated cyst stage

D)

None of the above

View Answer
161) The initiation codon in eukaryotes is

A)

AUG

B)

UGA

C)

UAG

D)

UAA

View Answer
162) Pasteurization temperature is

A)

\[{{72}^{o}}C\]for 20 minutes

B)

\[{{63}^{o}}C\]for 15 seconds

C)

\[{{70}^{o}}C\]for 15 seconds

D)

\[{{65}^{o}}C\]for 30 minutes

View Answer
163) The number of heart chambers found in cockroach is

A)

4

B)

7

C)

5

D)

13

View Answer
164) The ratio of methane, ammonia and hydrogen in Stanley Millers experiment was

A)

\[3:1:2\]

B)

\[2:1:2\]

C)

\[1:2:1\]

D)

\[5:4:1\]

View Answer
165) Convergent evolution is shown by

A)

homologous organ

B)

analogous organ

C)

vestigial organ

D)

All of the above

View Answer
166) Teichoic acid is present in

A)

cell wall of Gram positive bacteria

B)

cell wall of Gram negative bacteria

C)

capsid of virus

D)

protoplasm of mycoplasma

View Answer
167) \[%\]sign is used for

A)

actinomorphic flower

B)

zygomorphic flower

C)

incomplete flower

D)

epigynous flower

View Answer
168) Crossing over occurs

A)

single strand stage

B)

two strand stage

C)

four strand stage

D)

eight strand stage

View Answer
169) Ontogeny repeats phylogeny is the statement of which of the following theories?

A)

Mutation theory

B)

Inheritance theory

C)

Recapitulation theory

D)

Natural selection theory

View Answer
170) Darwin proposed the theory of

A)

inheritance of acquired characters

B)

natural selection

C)

recapitulation

D)

continuity of germplasm

View Answer
171) Which of the following is not Darwins conclusion?

A)

Survival of the fittest

B)

Struggle for existence

C)

Inheritance of acquired characters

D)

Origin of species by natural selection

View Answer
172) Nuclear membrane is continuous with

A)

rough endoplasmic reticulum

B)

smooth endoplasmic reticulum

C)

cell membrane

D)

Golgi bodies

View Answer
173) Cosmid is

A)

extragenetic material in mycoplasma

B)

circular DNA in bacteria

C)

extra DNA in bacteria

D)

fragment of DNA inserted in bacteria for forming copies

View Answer
174) \[XO\]chromosomal abnormality in humans causes

A)

Turners syndrome

B)

Downs syndrome

C)

Darwins syndrome

D)

Klinefelters syndrome

View Answer
175) Fertilization of ovum takes place in rabbit, man and other placental mammals in

A)

ovary

B)

fallopian tube

C)

cervix

D)

uterus

View Answer
176) At what stage in test tube babies, the zygote is implanted in human female?

A)

32-celled stage

B)

64-celled stage

C)

100-celled stage

D)

164-celled stage

View Answer
177) Pentoses and hexoses are common

A)

mono saccharides

B)

disaccharides

C)

polysaccharides

D)

oligosaccharides

View Answer
178) Pheromone is

A)

a product of endocrine gland

B)

used for animal communication

C)

messenger RNA

D)

always protein

View Answer
179) Secretion is under control of neuro secretory nerve axons in

A)

pineal gland

B)

adrenal cortex

C)

anterior pituitary

D)

posterior pituitary

View Answer
180) If an isolated strain of DNA is kept at\[82-{{90}^{o}}C\] then

A)

it changes into RNA

B)

it breaks into two fragments

C)

it breaks into many fragments

D)

it uncoils and the two strands separate

View Answer
181) The smallest endocrine gland is

A)

thyroid

B)

parathyroid

C)

pituitary

D)

adrenal

View Answer
182) Barr body in mammals represents

A)

all the heterochromatin in female cells

B)

one of the two X-chromosomes in somatic cells of females

C)

all the heterochromatin in male and female cells

D)

the Y-chromosome in somatic cells of male

View Answer
183) Gland responsible for calcium metabolism is

A)

thymus

B)

thyroid

C)

parathyroid

D)

adrenal

View Answer
184) Which of the following is not a case of epimorphosis?

A)

Formation of sperms from small clumps of cells

B)

Regeneration of tail in a lizard

C)

Replacement of severed arm in starfish

D)

Replacement of limb in salamander

View Answer
185) The daughter born to haemophilic father and normal mother could be

A)

normal

B)

carrier

C)

haemophilic

D)

None of these

View Answer
186) Removal or absence of thymus in early life shall bring about

A)

lack of lymphocytes

B)

lack of antibodies

C)

lack of lymph nodes

D)

All of the above

View Answer
187) Bone marrow is made up of

A)

muscular fibre and fatty tissue

B)

fatty tissue and areolar tissue

C)

fatty tissue and cartilage

D)

fatty tissue, areolar tissue and blood vessel

View Answer
188) Mast cells secrete

A)

serotonin

B)

heparin

C)

histamine

D)

All of these

View Answer
189) Which one is component of omithine cycle?

A)

Omithine, citrulline and fumaric acid

B)

Omithine, citrulline and arginine

C)

Omithine, citrulline and alanine

D)

Amino acids are not used

View Answer
190) Bidders canal is present in

A)

male rabbit

B)

male frog

C)

female frog

D)

Both (b) and (c)

View Answer
191) Zygomatic arch of rabbit is formed of

A)

maxilla, periotic and jugal

B)

periotic, jugal and palatine

C)

maxilla, squamosal and jugal

D)

maxilla, premaxilla and squamosal

View Answer
192) Role of spleen in mammal is

A)

to control blood pressure

B)

to assist liver

C)

to act as haemopoietic tissue

D)

to assist kidneys

View Answer
193) Excretory product of spider is

A)

uric acid

B)

ammonia

C)

guanine

D)

None of the above

View Answer
194) Green glands present in some arthropods help in

A)

respiration

B)

excretion

C)

digestion

D)

reproduction

View Answer
195) Sensation of stomach pain is due to

A)

inter oceptors

B)

extero ceptors

C)

proprioceptors

D)

teloceptors

View Answer
196) Right lung of rabbit is divided into

A)

four lobes

B)

two lobes

C)

six lobes

D)

eight lobes

View Answer
197) Haemoglobin is having maximum affinity with

A)

\[C{{O}_{2}}\]

B)

\[CO\]

C)

\[{{O}_{2}}\]

D)

\[N{{H}_{3}}\]

View Answer
198) Veliger larva occurs in phylum

A)

Mollusca

B)

Echinodermata

C)

Arthropoda

D)

Cnidaria

View Answer
199) The most recent and direct prehistoric ancestor of present man is

A)

Cro-magnon

B)

Pre-Neanderthal

C)

Neanderthal

D)

None of these

View Answer
200) Darwins finches refers to

A)

fossils of birds collected by Darwin at Galapagos islands

B)

a type of birds present of Galapagos islands

C)

migratory birds collected by Darwin at Galapagos islands

D)

fossils of reptiles collected by Darwin at Galapagos islands

View Answer

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