Solved papers for VMMC VMMC Medical Solved Paper-2002

VMMC Medical Solved Paper-2002 Total Questions - 150

1) If the potential energy of two molecules is given by, \[u=\frac{A}{{{r}^{6}}}-\frac{{{B}^{2}}}{4A}\] then at equilibrium position, its potential energy is equal to:

A)

\[\frac{{{A}^{2}}}{4B}\]

B)

\[\frac{{{B}^{2}}}{4A}\]

C)

\[\frac{2B}{A}\]

D)

       \[-\frac{{{B}^{2}}}{4A}\]

View Answer
2) A particle has angular momentum equal to A. The angular momentum becomes 4A after 4 sec. Find the torque applied:

A)

\[\frac{A}{4}\]

B)

\[\frac{3A}{4}\]

C)

       4A

D)

       3A

View Answer
3) A galvanometer of resistance 100\[\Omega \] gives full scale deflection for 20 mV. Find the resistance to be attached, so that it gives full scale deflection of 5 V:

A)

\[24.9\times {{10}^{3}}\Omega inseries\]

B)

\[24.9\times {{10}^{3}}\Omega \,\,in\,\,parallel\]

C)

\[49.3\times {{10}^{3}}\Omega \,\,in\,\,series\]

D)

\[49.3\times {{10}^{3}}\Omega \,\,in\,\,parallel\]

View Answer
4) A convex lens of 40 cm focal length is combined with a concave lens of focal length 25 cm. The power of combination is:

A)

-1.5 D

B)

-6.5 D

C)

       +6.6 D

D)

                       +6.5 D

View Answer
5) A proton and a-particle are having same kinetic energy. Find the ratio of their linear momentum:

A)

\[\sqrt{2}:2\]

B)

1: 4

C)

2 : 1

D)

       1 : 2

View Answer
6) A nuclear reactor delivers a power of 10 W. Find fuel consumed by the reactor per hour, if its efficiency is 20%: (Given, \[c=3\times {{10}^{8}}\,m/s\])

A)

\[2\times {{10}^{-6}}g/hr\]

B)

\[9\times {{10}^{12}}g/hr\]

C)

                       \[8\times {{10}^{-9}}g/hr\]

D)

                       \[2\times {{10}^{-9}}g/hr\]

View Answer
7) There are three wavelengths \[{{10}^{-8}}m,\,\,{{10}^{-2}}m,\,\,{{10}^{8}}\,m\]. Their respective names are:

A)

visible rays, y-rays, ultraviolet rays

B)

ultraviolet, microwaves, radiowaves

C)

X-rays, visible rays, radiowaves

D)

radiowaves, X-rays, microwaves

View Answer
8) Energy of an electron in the second orbit of hydrogen atom is E and the energy of electron in 3rd orbit of He will be:

A)

\[{{E}_{3}}=\frac{16E}{3}\]

B)

\[{{E}_{3}}=\frac{16E}{9}\]

C)

\[{{E}_{3}}=\frac{4E}{9}\]

D)

\[{{E}_{3}}=\frac{4E}{3}\]

View Answer
9) A prism is filled with liquid of refractive index of \[\sqrt{2}\] If angle of prism is \[60{}^\circ \], find angle of minimum deviation

A)

\[75{}^\circ \]

B)

\[60{}^\circ \]

C)

       \[45{}^\circ \]

D)

       \[30{}^\circ \]

View Answer
10) A disc having mass M and radius R is rotating with angular velocity \[\omega \], another disc of mass 2M and radius R/2 is placed coaxially on the first disc gently. The angular velocity of system will now be:

A)

\[\frac{4\omega }{5}\]

B)

\[\frac{2\omega }{5}\]

C)

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

D)

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

View Answer
11) If a source is moving away from a stationary observer with velocity of light. The frequency observed will be:

A)

one-third

B)

doubled

C)

       halved

D)

                       unchanged

View Answer
12) A coin is placed on a turn table rotating with \[\omega \], slip at a distance of 4 cm from centre. The distance at which it will slip when co is double, is:

A)

8 cm

B)

2cm

C)

       6 cm

D)

       1 cm

View Answer
13) If temperature is changed from \[27{}^\circ C\] to \[327{}^\circ C\]. Find ratio of K.E. of molecules at two temperatures:

A)

3 : 2

B)

2 : 3

C)

       1 : 2

D)

       2 : 1

View Answer
14) If range and height of a projectile are equal, then angle of projection with the horizontal is:

A)

\[60{}^\circ \]

B)

                       \[{{\tan }^{-1}}\,(4)\]

C)

\[30{}^\circ \]

D)

       \[45{}^\circ \]

View Answer
15) A particle under uniform circular motion is having angular momentum L. If K.E. of the particle is halved and the frequency is doubled, find the new angular momentum:

A)

\[\frac{L}{2}\]

B)

       \[\frac{L}{4}\]

C)

4L

D)

       2L

View Answer
16) Two equal and opposite charges of \[2\times {{10}^{-10}}C\]are placed at a distance of 1 cm forming a dipole and are placed in an electric field of \[2\times {{10}^{5}}\]N/C. The maximum torque on dipole is:

A)

\[2\sqrt{2}\times {{10}^{-6}}Nm\]

B)

\[8\times {{10}^{8}}Nm\]

C)

       \[4\times {{10}^{-9}}Nm\]

D)

       \[4\times {{10}^{-7}}Nm\]

View Answer
17) If position vector of mass 1 kg and 3 kg are \[\hat{i}+\hat{j}+\hat{k}\]and \[-\hat{i}-\hat{j}-\hat{k}\]respectively. The final position vector of centre of mass is:

A)

\[-\frac{3}{4}(\hat{i}-\hat{j}-\hat{k})\]

B)

\[-\frac{1}{4}(\hat{i}-\hat{j}-\hat{k})\]

C)

                       \[-\frac{1}{2}(\hat{i}-\hat{j}-\hat{k})\]

D)

                       \[-(\hat{i}-\hat{j}-\hat{k})\]

View Answer
18) A particle of mass 4 kg is acted upon by steady force of 4 N. Distance travelled by the particle in 4 sec is:

A)

16 m

B)

2 m

C)

       8 m

D)

       4 m

View Answer
19) If P.D. across a capacitor is changed from 15 V to 30 V, work done is W. What will be the work done when P.D. is changed from 30 V to 60 V?

A)

W

B)

4W

C)

3W

D)

       2W

View Answer
20) If an object is placed at 10 cm in front of a concave mirror of focal length 15 cm. The magnification of image is:

A)

-1.5

B)

1.5

C)

       -3

D)

       3

View Answer
21) A certain electric motor wire that carry a current of 4 amp is perpendicular to a magnetic field of 0.8 T. What is the force on each cm of the wire?

A)

0.08 N

B)

0.06       N

C)

       0.04 N

D)

                       0.02       N

View Answer
22) If the momentum of a particle is doubled, then its de-Broglie wavelength will:

A)

remain unchanged

B)

become four times

C)

become two times

D)

become half

View Answer
23) A hot electric iron has a resistance of 80\[\Omega \] and is used on a 200 V source. The electrical energy spent in using it for two hours, will be:

A)

8000 Wh

B)

                       2000 Wh

C)

       1000 Wh

D)

       800 Wh

View Answer
24) The phase difference between two points separated by 1 m in a wave of frequency 120 Hz is 90°. The wave velocity will be:

A)

720 m/s

B)

       480 m/s

C)

       240 m/s

D)

       180 m/s

View Answer
25) Which of following is responsible for the flow of current in a conductor?

A)

Protons and holes

B)

Free electrons

C)

Positive ions

D)

Protons

View Answer
26) A particle is having potential energy 1/3 of the maximum value at a distance of 4 cm from mean position. Amplitude of motion is:

A)

\[\frac{4}{\sqrt{3}}\]

B)

       \[\frac{6}{\sqrt{2}}\]

C)

\[\frac{2}{\sqrt{6}}\]

D)

       \[2\sqrt{6}\]

View Answer
27) Light is refracted \[\mu \]= 3/2 to water \[\mu \] = 4/3. For total internal reflection sin i will be equal to:

A)

\[{{\sin }^{-1}}\left( \frac{9}{8} \right)\]

B)

       \[{{45}^{0}}\]

C)

       \[{{60}^{0}}\]

D)

       \[{{\sin }^{-1}}\left( \frac{8}{9} \right)\]

View Answer
28) If a particle is rotating in a circle, what will happen?

A)

No force is acting on particle

B)

Velocity of particle is constant

C)

Particle has no acceleration

D)

No work is done

View Answer
29) If a dielectric plate of thickness t is placed between the plates of a parallel plate capacitor of plate distance d, the capacitance becomes half of the original value. The dielectric constant of the plate will be:

A)

\[\frac{2t}{2d+t}\]

B)

                       \[\frac{2t}{2d-t}\]

C)

\[\frac{t}{d+t}\]

D)

                       \[\frac{t}{d-t}\]

View Answer
30) In Youngs double slit experiment the intencity at centre of screen is 1. If one of the slit is closed, the intensity at centre now will be:

A)

\[\frac{I}{2}\]

B)

       \[I\]

C)

\[\frac{I}{4}\]

D)

       \[\frac{I}{3}\]

View Answer
31) What will be ratio of speed in first two seconds to the speed in next 4 seconds:

A)

\[\sqrt{2}\]: 1

B)

                       3: 1

C)

       2 :1

D)

       1: 2

View Answer
32) If an electron jumps from 1st orbit to 3rd orbit, then it will:

A)

not loose energy

B)

not given energy

C)

release energy

D)

absorb energy

View Answer
33) In a coil of self-inductance 5 henry, the rate of change of current is 2 amp per second. The emf induced in the coil is:

A)

-5V

B)

       5

C)

       -10 V

D)

                       10 V

View Answer
34) To find the radius of a circular path of an electron, when subjected to a perpendicular magnetic field is:

A)

\[\frac{m\upsilon }{Be}\]

B)

       \[\frac{me}{B}\]

C)

\[\frac{mE}{B}\]

D)

       \[\frac{Be}{m\upsilon }\]

View Answer
35) The potential difference between the cathode and the target in a Coolidge tube is 120 kV. What can be the minimum wavelength (in \[\overset{0}{\mathop{A}}\,\]) of the X-rays emitted by this tube?

A)

0.4\[\overset{0}{\mathop{A}}\,\]

B)

                       0.3\[\overset{0}{\mathop{A}}\,\]

C)

       0.2 \[\overset{0}{\mathop{A}}\,\]

D)

                       0.1\[\overset{0}{\mathop{A}}\,\]

View Answer
36) Wavelength of a light emitted from second orbit to first orbit in a hydrogen atom is:

A)

\[1.215\,\times {{10}^{-7}}\,m\]

B)

\[1.215\,\times {{10}^{-5}}\,m\]

C)

\[1.215\,\times {{10}^{-4}}m\]

D)

\[1.215\,\times {{10}^{-3}}m\]

View Answer
37) Which of the following has lowest ionization potential?

A)

Sr

B)

Sn

C)

Sb

D)

       Xe

View Answer
38) Which of the following is not tetrahedral?

A)

\[SiC{{l}_{4}}\]

B)

       \[B{{F}_{4}}\]

C)

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

D)

       \[SeC{{l}_{4}}\]

View Answer
39) Zwitter ion is:

A)

a molecule with positive charge having one atom less

B)

a molecule having both negative and positive charge on opposite ends.

C)

a small molecule having only negative charge

D)

a molecule having only positive charge on one of its atom

View Answer
40) The compound in brown ring test is:

A)

\[[Fe{{({{H}_{2}}O)}_{5}}NO]S{{O}_{4}}\]

B)

\[[Fe{{({{H}_{2}}O)}_{4}}NO]S{{O}_{4}}\]

C)

\[[Fe({{H}_{2}}O)N{{O}_{2}}]S{{O}_{4}}\]

D)

none Of these

View Answer
41) I.U.P.A.C. name of: \[{{H}_{3}}-\underset{H}{\overset{Br}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-\underset{Cl}{\overset{H}{\mathop{\underset{|}{\overset{|}{\mathop{C}}}\,}}}\,-\overset{H}{\mathop{\overset{|}{\mathop{C}}\,}}\,=C{{H}_{2}}\] is:

A)

4-bromo 3- chloro pent-1-ene

B)

2-bromo 3-chloro pentene

C)

4-bromo 2-chloro butene-1

D)

4-methyl 4-bromo 3-chloro butene

View Answer
42) When aniline is heated to \[{{440}^{o}}C-{{400}^{o}}C\] with sulphuric acid, it will give:

A)

sulphanilic acid

B)

aniline hydrogen sulphate

C)

aniline sulphite

D)

benzene sulphonic acid

View Answer
43) Which of the following does not show Tyndal effect?

A)

True solution

B)

       Suspension

C)

       Emulsion

D)

       Gel

View Answer
44) \[n=4,l=2\]and \[m=0,\]refer to:

A)

4s

B)

4p

C)

4d

D)

       \[4f\]

View Answer
45) Which of the following 0.1 M aqueous solution will have lowest freezing point?

A)

Urea

B)

       Glucose

C)

       \[\text{NaCl}\]

D)

       \[{{K}_{2}}S{{O}_{4}}\]

View Answer
46) When chloroform reacts with phenol in the presence of KOH (aq.), the reaction is called:

A)

Wurtz reaction

B)

Reimer-Tiemann reaction

C)

Friedel-Crafts reaction

D)

Perkin reaction

View Answer
47) Which of the following is an ionic hydride?

A)

\[\text{NaH}\]

B)

       \[\text{HCl}\]

C)

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

D)

       \[\text{Si}{{\text{H}}_{\text{4}}}\]

View Answer
48) The percentage of gold in 20 carat gold is:

A)

95

B)

83.33

C)

80

D)

38.67

View Answer
49) Lucas reagent will give instant turbidity with:

A)

primary alcohol

B)

secondary alcohol

C)

tertiary alcohol

D)

methane

View Answer
50) Which of the following is most stable?

A)

\[\overset{\text{+}}{\mathop{\text{C}}}\,{{\text{H}}_{\text{3}}}\]

B)

                       \[{{\text{R}}_{2}}\overset{+}{\mathop{C}}\,H\]

C)

\[{{R}_{3}}\overset{+}{\mathop{C}}\,\]

D)

       \[R\overset{+}{\mathop{C}}\,{{H}_{2}}\]

View Answer
51) if solubility product of \[\text{AgCl}\] is \[\text{1}{{\text{0}}^{-10}}\] (mol \[\omega t=143.35\]),   then   its   solubility in gram/litre will be:

A)

\[143.5\times {{10}^{-5}}\]

B)

       \[143.5\times {{10}^{-2}}\]

C)

\[14.35\times {{10}^{-1}}\]

D)

       \[1.435\times {{10}^{-6}}\]

View Answer
52) The bond order in \[\text{C}_{\text{2}}^{\text{+}}\] is:

A)

1

B)

                       2

C)

0.5

D)

       1.5

View Answer
53) \[E{{_{Zn}^{o}}^{2+}}_{/Zn}=-0.7\text{6}\,\text{V}\]and \[E_{A{{g}^{+}}/Ag}^{o}=+\,0.80\,\text{V}\]What is \[E_{cell}^{o}\]?

A)

\[+\,2.34\,V\]

B)

       \[+1.56\,V\]

C)

       \[-1.56\,V\]

D)

       \[-2.34\,V\]

View Answer
54) Terylene is the polymer of terephthalic acid and:

A)

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

B)

C)

D)

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

View Answer
55) Pressure in increased with temperature for constant volume and fixed mass of a gas due to:

A)

increase in intermolecular attraction

B)

decrease in the mean free path

C)

increase in the collision between molecule

D)

increase of K.E of molecule

View Answer
56) Which of the following is not metalloid?

A)

Si

B)

       Se

C)

As

D)

       Te

View Answer
57) Which of the following compound is formed by Na on fusion with an organic compound having nitrogen as an extra element:

A)

\[NaN\]

B)

       \[NaCN\]

C)

                       \[~NaNO\]

D)

       \[NaC\]

View Answer
58) The formula of cryolite is:

A)

\[N{{a}_{3}}Al{{F}_{6}}\]

B)

       \[CaC{{l}_{2}}.A{{l}_{2}}{{(S{{O}_{4}})}_{3}}\]

C)

\[F{{e}_{4}}[Fe{{(CN)}_{6}}]\]

D)

       \[A{{l}_{2}}{{O}_{3}}.2{{H}_{2}}O\]

View Answer
59) In the reaction, product (A) and (B) are

A)

benzene diazonium chloride and azodye

B)

nitrobenzene and o-nitrophenol

C)

benzene and salicylic acid

D)

chlorobenzene and naphthalene

View Answer
60) The weight of one molecule of the compound \[{{\text{C}}_{\text{60}}}{{\text{H}}_{\text{122}}}\]is:

A)

\[1.4\times {{10}^{-21}}g\]

B)

       \[5.025\times {{10}^{-23}}g\]

C)

                       \[1.3\times {{10}^{-19}}g\]

D)

       \[2.30\times {{10}^{-22}}g\]

View Answer
61) An ideal gas is heated \[\text{27}{{\,}^{\text{o}}}\text{C}\]to \[\text{627}{{\,}^{o}}\text{C}\]at constant pressure. If initial volume was \[\text{4}\,{{\text{m}}^{\text{2}}}\text{,}\] then the final volume of the gas will be:

A)

\[\text{2}\,{{\text{m}}^{3}}\]

B)

\[8\,{{\text{m}}^{3}}\]

C)

       \[12\,{{m}^{3}}\]

D)

       \[\text{10}\,{{\text{m}}^{\text{3}}}\]

View Answer
62) In the nuclear reaction \[{{\,}_{6}}{{C}^{13}}+{{\,}_{1}}{{H}^{1}}\xrightarrow{{}}{{\,}_{7}}{{N}^{14}}+A,A\]

A)

\[\alpha -\]particle

B)

\[\gamma -\]particle

C)

\[\beta -\] particle

D)

none of these

View Answer
63) pH of \[\text{1}{{\text{0}}^{-8}}\,\text{MHCl}\]is:

A)

6.96

B)

8

C)

6

D)

       7

View Answer
64) The half life is 5 min. How much % of radioactive compound remains after 20 minutes?

A)

6.25%

B)

93.75%

C)

       12.5%

D)

       87.5%

View Answer
65) At S.T.P. \[\,\text{10}\,\,\text{g}\,\,\text{CaC}{{\text{O}}_{\text{3}}}\]on decomposition will librates \[\text{C}{{\text{O}}_{2}}:\]

A)

22.4 litre

B)

       10 litre

C)

       2.24 litre

D)

       15 litre

View Answer
66)  The density of \[\text{HCl}\] is 1.21 g/mL. Its normality is:

A)

33.15 N

B)

       18.3 N

C)

198 N

D)

       35 N

View Answer
67) DDT is used as:

A)

insecticide

B)

       antibiotic

C)

antiseptic

D)

       herbicide

View Answer
68) \[{{H}_{3}}C-C\equiv C-\underset{C{{H}_{3}}}{\mathop{\underset{|}{\mathop{C}}\,}}\,=C{{H}_{2}}\] has how many \[\sigma \] and \[\pi \] bonds?

A)

13, 3

B)

       10, 3

C)

       15, 4

D)

       12, 4

View Answer
69) Hybridization in \[\text{PC}{{\text{l}}_{\text{3}}}\]is:

A)

\[\text{s}{{\text{p}}^{3}}\]

B)

       \[s{{p}^{2}}\]

C)

\[s{{p}^{3}}d\]

D)

       \[s{{p}^{1}}\]

View Answer
70) Oxidation number of aluminium in \[\text{N}{{\text{a}}_{\text{3}}}\text{Al}{{\text{F}}_{\text{6}}}\] is:

A)

+ 3

B)

       + 2

C)

- 2

D)

       + 1

View Answer
71) The E.A.N. of Ni in \[\text{Ni(CO}{{\text{)}}_{\text{4}}}\] is:

A)

36

B)

34

C)

32

D)

       30

View Answer
72) Which has the maximum percentage of chlorine?

A)

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

B)

       \[CHC{{l}_{3}}\]

C)

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

D)

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

View Answer
73) Electronic configuration of element with (Z = 24) is :

A)

\[1{{s}^{2}},2{{s}^{2}}2{{p}^{6}},3{{s}^{2}}3{{p}^{6}}3{{d}^{5}},4{{s}^{1}}\]

B)

\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}3{{d}^{4}}4{{s}^{2}}\]

C)

\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{s}^{2}}3{{p}^{6}}4{{s}^{2}}3{{d}^{3}}\]

D)

\[1{{s}^{2}}2{{s}^{2}}2{{p}^{6}}3{{d}^{5}}3{{s}^{2}}3{{p}^{6}}\]

View Answer
74) \[\text{CuS}{{\text{O}}_{\text{4}}}\]reacts with \[\text{N}{{\text{H}}_{\text{4}}}\text{OH}\]to give deep blue complex of:

A)

cupra ammonium hydroxide

B)

cupra ammonium sulphate

C)

Both (a) and (b)

D)

none of these

View Answer
75) The product of pressure and volume (PV) has a unit of:

A)

force

B)

energy

C)

entropy

D)

       impulse

View Answer
76) 2, 4-D is an effective:

A)

fungicide

B)

weedicide

C)

       rodenticide

D)

       wormicide

View Answer
77) The term meiosis was given by:

A)

Johanson

B)

       Knoll and Ruska

C)

Flemming

D)

       Farmer and Moore

View Answer
78) Puccinia forms uredia and:

A)

pycnia on barberry leaves

B)

aecia on wheat leaves

C)

telia on wheat leaves

D)

aecia on barberry leaves

View Answer
79) Two bacteria found to be very useful in genetic engineering experiments are:

A)

Nitrosomonas and Kliebsiella

B)

Escherichia and Agrobacterium

C)

Nitrobacter and Azotobacter

D)

Rhizobium and Diplococcus

View Answer
80) Parents of blood group O will have offsprings of:

A)

O only

B)

                      A and O

C)

O and B

D)

       O and AB

View Answer
81) The periderm includes:

A)

cork

B)

cambium

C)

       secondary cortex

D)

       all of these

View Answer
82) Genetic drift operates only in:

A)

island populations

B)

smaller populations

C)

larger populations

D)

Mendelian populations

View Answer
83) Which one of the following statement is correct?

A)

Homo erectus is the ancestor of man

B)

Cro-magnon mans fossil has beer found in Ethopia

C)

Australopithecus is the real ancestor cc modern man

D)

Neanderthal man is the direct ancestor of Homo sapiens

View Answer
84) When a single gene influences more than one trait it is called:

A)

pleiotropy

B)

       epistasis

C)

pseudo-dominance

D)

       none of these

View Answer
85) The exchanges of gases in the alveoli cc the lungs takes place by:

A)

osmosis

B)

       simple diffusion

C)

passive transport

D)

active transport

View Answer
86) Phytochrome becomes active in:

A)

green light

B)

blue light

C)

       red light

D)

       none of these

View Answer
87) Which of the following is not a vital disease?

A)

Rabies

B)

                       Chicken-pox

C)

       Leprosy

D)

       Polio

View Answer
88)  Heterocyst occurs in:

A)

Ulothrix

B)

                                       Spirogyra

C)

       Nostoc

D)

       Chlamydomonas

View Answer
89) Colchicine is an inhibitory chemical, which:

A)

prevents the spindle formation in mitosis

B)

prevents the formation of equatorial plane

C)

stops the functioning of centriole

D)

prevents attaching of centromeres with rays:

View Answer
90) The polygenic genes show:

A)

different genotypes

B)

different phenotypes

C)

different karyotypes

D)

none of the above

View Answer
91) Maximum absorption of light occurs in the region of:

A)

400-700 nm

B)

       700-900 nm

C)

       1000-1200 nm

D)

       1500-2000 nm

View Answer
92) Non symbiotic nitrogen fixation is done by:

A)

Frankia

B)

Anabaena

C)

       Azotobacter

D)

       Rhizobiwn

View Answer
93) Digestion of fat is mainly facilitated by:

A)

bile juice

B)

                       pancreatic juice

C)

amylase

D)

       gastric juice

View Answer
94) Lactose is composed of:

A)

glucose + fructose

B)

glucose + glucose

C)

glucose + galactose

D)

fructose + galactose

View Answer
95) H.J. Muller had received Nobel prize for:

A)

discovering the linkage of genes

B)

discovering the induced mutations by X-rays

C)

his studies on Drosophila for genetic study

D)

proving that the DNA is a genetic material

View Answer
96) Acrosome of sperm head is formed by:

A)

golgi body

B)

nucleus

C)

endoplasmic reticulum

D)

mitochondria

View Answer
97) Which hormones stimulates the secretion of milk from female?

A)

LH

B)

Prolactin

C)

                       Oxytocin

D)

       Progesterone

View Answer
98) Coelom is found between the cavity of:

A)

ectoderm and endoderm

B)

mesoderm and ectoderm

C)

endoderm and ectoderm

D)

mesoderm and endoderm

View Answer
99) Same species found in different geographical areas are:

A)

sympatric

B)

allopatric

C)

       siblings

D)

       none of these

View Answer
100) AIDS disease was first reported in:

A)

Russia

B)

       Germany

C)

USA

D)

       France

View Answer
101) In \[{{C}_{4}}\] plants, \[C{{O}_{2}}\] fixation is done by:

A)

mesophyll cells

B)

guard cells

C)

sclerenchyma

D)

chlorenchyma and hypodermis

View Answer
102) Electron microscope was invented by

A)

Watson and Crick

B)

Knoll and Ruska

C)

      H.J. Muller

D)

       Aristotle

View Answer
103) The black rust of wheat is a fungal disease caused by:

A)

Melampsora lini

B)

Claviceps purpurea

C)

Albugo Candida

D)

       Puccinia graminis tritici

View Answer
104) Curvature of coleoptile tip in an experiment was due to:

A)

IAA

B)

cytokinin

C)

       ethylene

D)

       ABA

View Answer
105) The twinning of tendrils around a support is a good example of:

A)

nastic movement

B)

thigmotropism

C)

       phototropism

D)

       chemotropism

View Answer
106) When a cell is fully turgid which of the following will be zero?

A)

Wall pressure

B)

                       Osmotic pressure

C)

Turgor pressure

D)

       Water potential

View Answer
107) DNA synthesis can be specifically measured by estimating the incorporation of radio-labeled:

A)

uracil

B)

                       adenine

C)

       thymine

D)

       deoxyribose sugar

View Answer
108) How many mitotic divisions are needed for a single cell to make 128 cells?

A)

7

B)

       14

C)

28

D)

       32

View Answer
109) Co-factor (prosthetic group) is a part of holoenzyme. It is:

A)

loosely attached inorganic part

B)

accessory non-protein substance attached firmly

C)

loosely attached organic part

D)

none of these

View Answer
110) Bryophytes can be separated from algae, because they:

A)

are thalloid forms

B)

have no conducting tissue

C)

possess archegonia

D)

contain chloroplast

View Answer
111) The core metal of chlorophyll is:

A)

Fe

B)

Mg

C)

       Ni

D)

       Cu

View Answer
112) Inferior ovary is found in:

A)

Labiatae

B)

Liliaceae

C)

Solanaceae

D)

       Compositae

View Answer
113) The end product of fermentation are:

A)

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

B)

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

C)

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

D)

\[C{{O}_{2}}\] and \[C{{H}_{3}}CHO\]

View Answer
114) The desmosomes are concerned with:

A)

cytolysis

B)

cellular excretion

C)

cell division

D)

       cell adherence

View Answer
115) The lymph serves to:

A)

transport \[C{{O}_{2}}\] to the lungs

B)

transport \[{{O}_{2}}\] to the brain

C)

return the interstitial fluid to the b.

D)

return the WBCs and RBCs to - lymph nodes

View Answer
116) Which of the following cycle, found sugarcane?

A)

Calvin cycle

B)

Hatch and Slack cycle

C)

CAM-cycle

D)

EMP-pathway

View Answer
117) Fallopian tube is lined by:

A)

pseudostratified epithelium

B)

ciliated epithelium

C)

cuboidal epithelium

D)

squamous epithelium

View Answer
118) Tallest tree belongs to:

A)

gymnosperms

B)

monocots

C)

dicots

D)

       pteridophytes

View Answer
119) Identify the correct match between tiger reserve and its state:

A)

Bandipur - Tamil Nadu

B)

Palau - Orissa

C)

Manas - Assam

D)

Corbett - Madhya Pradesh

View Answer
120) In abiotic community, the primar consumers are:

A)

carnivores

B)

omnivores

C)

       detrivores

D)

       herbivores

View Answer
121) 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 an; female cells

D)

the Y-chromosome in somatic cell; male

View Answer
122) Pinus differ from mango in:

A)

covered ovules

B)

uncovered ovules

C)

diploid endosperm

D)

colour of leaves

View Answer
123) When a viral DNA integrates with a h - DNA then the process is referred as:

A)

lysis

B)

prophage

C)

       lysogeny

D)

       none of these

View Answer
124) The blood cancer is known as:

A)

leukaemia

B)

thrombosis

C)

       haemolysis

D)

       haemophilia

View Answer
125) How many chromosomes are present in ovum of man?

A)

22 + X

B)

22 + Y

C)

44 + X

D)

       44 + Y

View Answer
126) Life was originated in:

A)

water

B)

       air

C)

       fire

D)

       soil

View Answer
127) Convergent evolution is shown by:

A)

rabbit and dog

B)

fish and whale

C)

bacteria and Amoeba

D)

starfish and jelly fish

View Answer
128) The life span of human WBC is approximately:

A)

less than 10 days

B)

between 20 to 30 days

C)

between 2 to 3 months

D)

more than 4 months

View Answer
129) T. Schwann and M-Schleiden were:

A)

Dutch biologists

B)

Austrian biologists

C)

German biologists

D)

English biologists

View Answer
130) Lvsosomes are the store house of:

A)

hydrolytic enzymes

B)

proteins

C)

sugar

D)

       ATP

View Answer
131) Which of the following is responsible for the mechanical support, protein synthesis and enzyme transport?

A)

Endoplasmic reticulum

B)

Mitochondria

C)

Cell membrane

D)

Dictyosome

View Answer
132) The kingdoms-Monera, Protista, Fungi, Plantae and Animalia are distinguished on the basis of:

A)

type of nutrition

B)

type of cell

C)

type of reproduction

D)

all of these

View Answer
133) The protists have:

A)

membrane bound nucleoproteins lying embedded is the cytoplasm

B)

gene containing nucleoproteins condensed together in loss mass

C)

nucleoproteins is direct contact with the rest of the cell substance

D)

only free nucleic acid aggregates

View Answer
134) Which of the following is obtained from algae?

A)

Carragenin

B)

       Chocolate

C)

       Butter

D)

       Wax

View Answer
135) Which of the following plant kingdom is called amphibians?

A)

Thallophyta

B)

Pteridophyta

C)

                       Tracheophyta

D)

       Bryophyta

View Answer
136) Enzymes are made up of:

A)

proteins

B)

       fats

C)

carbohydrates

D)

       lipids

View Answer
137) Coconut milk represents

A)

mesocarp

B)

       endocarp

C)

       epicarp

D)

       endosperm

View Answer
138) Which of the following is grouped under phanerogams?

A)

Pteridophyta

B)

       Angiosperms

C)

       Gymnosperms

D)

       Both b and c

View Answer
139) lpomoea batata belongs to family:

A)

Ranunculaceae

B)

Rutaceae

C)

       Gramineae

D)

       None of these

View Answer
140) Anticodon of f-RNA binds with:

A)

nucleic bases of m-RNA

B)

nucleic bases of r-RNA

C)

codons of f-RNA

D)

amino acids

View Answer
141) Which of the following causes white rust of crucifers?

A)

Aspergillus

B)

       Puccinia

C)

Mucor

D)

       Albugo Candida

View Answer
142) Treeless terrestrial biome of cold climates is:

A)

plankton

B)

       tundra

C)

savanna

D)

       taiga

View Answer
143) Which of the following cell organelle is associated with protein synthesis?

A)

Ribosome

B)

                       Microsome

C)

       Lysosome

D)

       Glyoxysome

View Answer
144) The pyramid of energy is always:

A)

inverted

B)

                       horizontal

C)

       both a and b

D)

       upright

View Answer
145) Loss of relative biological equilibrium is due to:

A)

low temperature

B)

       high temperature

C)

                       radiation

D)

       pollution

View Answer
146) Apical dominance is due to:

A)

methylene

B)

                      auxin

C)

       Abscissic acid

D)

       ethylene

View Answer
147) In which of the following form, sugar is transported within the body of plant?

A)

Maltose

B)

                       Glucose

C)

Lactose

D)

       Sucrose

View Answer
148) The process of transfer of DNA from bacterium to another through virus called:

A)

transformation

B)

       transduction

C)

       conjugation

D)

       termination

View Answer
149) Oxygen is released from:

A)

cytoplasm

B)

                       golgi body

C)

                       chloroplast

D)

                       mitochondria

View Answer
150) The first reaction in photorespiration

A)

phosphorylation

B)

       decarboxylation

C)

       oxygenation

D)

                       carboxylation

View Answer

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