Solved papers for DUMET Medical DUMET Medical Solved Paper-2007

DUMET Medical Solved Paper-2007 Total Questions - 200

1) A Carnots engine has an efficiency of 50% at sink temperature\[{{50}^{o}}C\]. Calculate the temperature of source.

A)

\[{{133}^{o}}C\]

B)

\[{{143}^{o}}C\]

C)

\[{{100}^{o}}C\]

D)

\[{{373}^{o}}C\]

View Answer
2) Which of the following is not a state function?

A)

Work done at constant pressure

B)

Enthalpy

C)

Work done by conservative force

D)

Work done by non-conservative force

View Answer
3) what is the Q-value of the reaction \[p{{+}^{7}}Li{{\xrightarrow{{}}}^{4}}He{{+}^{4}}He\] The atomic masses of \[^{1}H{{,}^{4}}He\] and \[^{7}Li\] are 1.007825 u, 4.002603 u and 7.016004 u respectively

A)

17.35 MeV

B)

18.06 MeV

C)

177.35 MeV

D)

170.35 MeV

View Answer
4) If average velocity becomes 4 times then t-hat will be the effect on rms velocity at that Temperature?

A)

1.4 times

B)

4 times

C)

2 times

D)

\[\frac{1}{4}\]times

View Answer
5) An aluminium rod and a copper rod are taken such that their lengths are same and their resistances are also same. The specific, resistance of copper is half that of aluminium, but its density is three times that of aluminium. The ratio of the mass of aluminium rod and that of copper rod will be

A)

\[\frac{1}{6}\]

B)

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

C)

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

D)

\[6\]

View Answer
6) In a potentiometer the null point is received at 7th wire. If now we have to change the null point at 9th wire, what should we do?

A)

Attach resistance in series with battery

B)

Increase resistance in main circuit

C)

Decrease resistance in main circuit

D)

Decrease applied emf

View Answer
7) Graph of input characteristic of common emitter amplifier is

A)

B)

C)

D)

View Answer
8) The earth moves in an elliptical orbit with the sun S at one of foci as shown in the figure. Its rotational kinetic energy is maximum at the point

A)

A

B)

B

C)

C

D)

D

View Answer
9) If \[{{B}_{H}}=\frac{1}{\sqrt{3}}{{B}_{V,}}\] find angle of dip. (where symbols have their usual meanings)

A)

\[{{60}^{o}}\]

B)

\[{{30}^{o}}\]

C)

\[{{45}^{o}}\]

D)

\[{{90}^{o}}\]

View Answer
10) Reverberation time does not depend upon

A)

temperature

B)

volume of room

C)

size of window

D)

carpet and curtain

View Answer
11) The output is low when either of the input is high, then this represents which of the following gates?

A)

OR

B)

NOR

C)

AND

D)

NAND

View Answer
12) In a semiconductor electron concentration is \[7\times {{10}^{13}}\,c{{m}^{-3}}\] and hole concentration is\[5\times {{10}^{12}}\,c{{m}^{-3}}.\]Then the semiconductor is

A)

n-type

B)

p-type

C)

intrinsic

D)

p-n type

View Answer
13) If in the following figure, height of object is\[{{H}_{1}}=+2.5\,cm\], then height of image \[{{H}_{2}}\]formed is Concave mirror

A)

-5 cm

B)

+5 cm

C)

+7.5 cm

D)

-7.5 cm

View Answer
14) Moment of inertia of ring about its diameter is \[I\] Then, moment of inertia about an axis passing through centre perpendicular to its plane is

A)

\[2I\]

B)

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

C)

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

D)

\[I\]

View Answer
15) Which of the following is true regarding beats?

A)

Frequency different, amplitude same

B)

Frequency same, amplitude same

C)

Frequency same, amplitude different

D)

None of the above

View Answer
16) When both the listener and source are moving towards each other, then which of the following is true regarding frequency and wavelength of wave observed by the observer?

A)

More frequency, less wavelength

B)

More frequency, more wavelength

C)

Less frequency, less wavelength

D)

More frequency, constant wavelength

View Answer
17) Which motion does not require force to maintain it?

A)

Uniform circular motion

B)

Elliptical motion

C)

Uniform straight line motion

D)

Projectile motion

View Answer
18) The coefficient of friction between the tyres and the road is 0.25. The maximum speed with which car can be driven round a curve of radius 40 m without skidding is (assume\[g=10\,\,s{{m}^{-2}}\])

A)

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

B)

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

C)

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

D)

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

View Answer
19) In forward bias the width of depletion layer is

A)

decreases with increase in potential barrier voltage

B)

increases with increase in potential barrier voltage

C)

independent of potential barrier voltage

D)

none of the above

View Answer
20) If \[{{k}_{s}}\] and \[{{k}_{p}}\] respectively are effective spring constant in series and parallel combination of of springs as shown in figure, find \[\frac{{{k}_{s}}}{{{k}_{p}}.}\]

A)

\[\frac{9}{2}\]

B)

\[\frac{3}{7}\]

C)

\[\frac{2}{9}\]

D)

\[\frac{7}{3}\]

View Answer
21) A bob of pendulum was filled with Hg and entire Hg is drained out, then the time period of pendulum

A)

remains unchanged

B)

decreases

C)

increases

D)

increases then decreases

View Answer
22) The minimum force required to move a body of mass m vertically upward is

A)

a mg

B)

\[mg/2\]

C)

more than 2mg

D)

more than mg

View Answer
23) The uncertainty in the momentum of a particle is\[{{10}^{-30}}kg-m/s\]. The minimum uncertainty in its position will be

A)

\[{{10}^{-8}}m\]

B)

\[{{10}^{-12}}m\]

C)

\[{{10}^{-16}}m\]

D)

\[{{10}^{-4}}m\]

View Answer
24) If distance between earth and sun become four times then time period becomes

A)

4 times

B)

8 times

C)

1/4 times

D)

1/8 times

View Answer
25) An air bubble is contained inside water. It behaves as a

A)

concave lens

B)

convex lens

C)

neither convex nor concave

D)

cannot say

View Answer
26) The power dissipated across resistance R which is connected across a battery of potential V is P. If resistance is doubled, then the power becomes

A)

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

B)

\[2\]

C)

\[\frac{1}{4}\]

D)

\[4\]

View Answer
27) BE/nucleon relation with mass number

A)

first decreases then increases

B)

first increases then decreases

C)

increases

D)

decreases

View Answer
28) A 100 V, AC source of frequency 500 Hz is connected to an LCR circuit with \[L=8.1\,mH\], \[C=12.5\mu F,R=10\,\Omega \] all connected in series as shown in figure. What is the quality factor of circuit?

A)

2.02

B)

2.5434

C)

20.54

D)

200.54

View Answer
29) The inductance of a coil is \[L=10\,H\]and resistance \[R=5\,\Omega \]. If applied voltage of battery is 10 V and it switches off in 1 millisecond, find induced emf of inductor.

A)

\[2\times {{10}^{4}}V\]

B)

\[1.2\times {{10}^{4}}V\]

C)

\[2\times {{10}^{-4}}V\]

D)

None of these

View Answer
30) Two bodies A and B having masses in the ratio of \[3:1\] possess the same kinetic energy. The ratio of linear momentum of B to A is

A)

\[1:3\]

B)

\[3:1\]

C)

\[1:\sqrt{3}\]

D)

\[\sqrt{3}:1\]

View Answer
31) Which of the following four fundamental forces has shortest range?

A)

Nuclear

B)

Gravitational

C)

Electromagnetic

D)

Weak force

View Answer
32) A proton is moving in a uniform magnetic field B in a circular path of radius a in a direction perpendicular to z-axis along which field B exists. Calculate the angular momentum, if the radius is a charge on proton is e.

A)

\[\frac{Be}{{{a}^{2}}}\]

B)

\[e{{B}^{2}}a\]

C)

\[{{a}^{2}}eB\]

D)

\[aeB\]

View Answer
33) If acceleration of a particle at any time is given by \[a=2t\text{ }+5\] calculate the velocity after 5 s, if it starts from rest.

A)

50 m/s

B)

25 m/s

C)

100 m/s

D)

75 m/s

View Answer
34) 8 bits form

A)

1 byte

B)

1 diction

C)

1 nibble

D)

1 binary

View Answer
35) A body from height h is dropped. If the coefficient of restitution is e, then calculate the height achieved after one bounce.

A)

\[{{h}_{1}}={{e}^{2}}\,h\]

B)

\[{{h}_{1}}={{e}^{4}}\,h\]

C)

\[{{h}_{1}}=eh\]

D)

\[{{h}_{1}}=\frac{h}{e}\]

View Answer
36) A body moves with uniform acceleration, then which of the following graphs is correct?

A)

B)

C)

D)

View Answer
37) Two vectors are perpendicular, if

A)

\[\vec{A}\,.\,\vec{B}=1\]

B)

\[\vec{A}\,\,\times \,\vec{B}=0\]

C)

\[\vec{A}\,\,.\,\vec{B}=0\]

D)

\[\vec{A}\,\,\times \,\vec{B}=AB\]

View Answer
38) If coefficient of static friction is \[{{\mu }_{s}}\] and coefficient of kinetic friction is \[{{\mu }_{k}}\], which is correct?

A)

\[{{\mu }_{s}}={{\mu }_{k}}\]

B)

\[{{\mu }_{s}}>{{\mu }_{k}}\]

C)

\[{{\mu }_{s}}<{{\mu }_{k}}\]

D)

Cannot predict

View Answer
39) Light year is used to measure

A)

distance between stars

B)

distance between atoms

C)

revolution time of earth around sun

D)

none of the above

View Answer
40) Electromagnetic waves are produced by

A)

accelerated charged particle

B)

decelerated charged panicle

C)

charge in uniform motion

D)

none of the above

View Answer
41) A beam of protons with velocity \[4\times {{10}^{5}}m/s\]enters a uniform magnetic field of 0.3 T at an. angle of \[{{60}^{o}}\] to the magnetic field. Find the radius of the helical path taken by the proton beam.

A)

0.2cm

B)

1.2cm

C)

2.2cm

D)

0.122cm

View Answer
42) Three progressive waves A, B and C are shown in the figure. With respect to A, the progressive wave

A)

B lags by \[\frac{\pi }{2}\] and C leads by \[\frac{\pi }{2}\]

B)

B lags by \[\pi \] and C leads by \[\pi \]

C)

B leads by \[\frac{\pi }{2}\] and C lags by \[\frac{\pi }{2}\]

D)

B leads by n and C lags by \[\pi \]

View Answer
43) When light passes from one medium to other then which will not change?

A)

Frequency

B)

Wavelength

C)

Amplitude

D)

Velocity

View Answer
44) Total internal reflection takes place

A)

when a ray moves from denser to rarer and incident angle is greater than critical angle

B)

when a ray moves from rarer to denser and incident angle is less than critical angle

C)

when a ray moves from rarer to denser and incident angle is equal to critical angle

D)

none of the above

View Answer
45) A beam of light travelling along x-axis is described by the electric field \[{{E}_{y}}=600\text{ }V{{m}^{-1}}\text{ }sin~\,\omega \,\,(t-x/c)\]then maximum magnetic force on a charge\[q=2e\], moving along .y-axis with a speed of \[3.0\times {{10}^{7}}m{{s}^{-1}}\] is \[(e=1.6\times {{10}^{-19}}C)\]

A)

\[19.2\times {{10}^{-17}}N\]

B)

\[1.92\times {{10}^{-17}}N\]

C)

\[0.192\,\,N\]

D)

none of these

View Answer
46) In hydrogen atom spectrum, frequency of \[2.7\times {{10}^{15}}Hz\]of electromagnetic wave is emitted when transmission takes place from 2 to 1. If it moves from 3 to 1, the frequency emitted will be

A)

\[3.2\times {{10}^{15}}Hz\]

B)

\[32\times {{10}^{15}}Hz\]

C)

\[1.6\times {{10}^{15}}Hz\]

D)

\[16\times {{10}^{15}}Hz\]

View Answer
47) Potential drop across forward junction p-n diode is 0.7 V. If a battery of 4 V is applied, calculate the resistance to be put in series, if the maximum current in the circuit is 5mA.

A)

\[660\,\,\Omega \]

B)

\[350\,\,\Omega \]

C)

\[475\,\,\Omega \]

D)

\[500\,\,\Omega \]

View Answer
48) If 200MeV energy is released in the fission of a single nucleus of \[_{92}{{U}^{235}}\], how many fissions must occur per second to produce a power of 1kW?

A)

\[3.12\times {{10}^{13}}\]

B)

\[3.12\times {{10}^{3}}\]

C)

\[3.1\times {{10}^{17}}\]

D)

\[3.12\times {{10}^{19}}\]

View Answer
49) During projectile motion, the horizontal velocity

A)

first increases then decreases

B)

first decreases then increases

C)

always increases

D)

always constant

View Answer
50) Find ratio of acceleration due to gravity g at depth d and at height h, where d = 2h.

A)

\[1:1\]

B)

\[1:2\]

C)

\[2:1\]

D)

\[1:4\]

View Answer
51) Which of the following is polar?

A)

\[I_{3}^{-}\]

B)

\[CO_{3}^{2-}\]

C)

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

D)

\[P{{F}_{3}}\]

View Answer
52) In the reaction A is

A)

\[{{H}_{3}}P{{O}_{2}}\]

B)

\[C{{u}_{2}}C{{l}_{2}}\]

C)

\[HgS{{O}_{4}}/{{H}_{2}}S{{O}_{4}}\]

D)

\[{{H}^{+}}/{{H}_{2}}O\]

View Answer
53) Ag crystallises as fee. If radius of Ag is 144 pm then its density will be

A)

10 g \[c{{m}^{-3}}\]

B)

5g \[c{{m}^{-3}}\]

C)

15 g \[c{{m}^{-3}}\]

D)

6.5 g \[c{{m}^{-3}}\]

View Answer
54) Which of the following process will give soap?

A)

Hydrolysis

B)

Saponification

C)

Neutralisation

D)

Acidification

View Answer
55) Sodium hypohalite when dissolved in water will turn

A)

blue litmus red

B)

red litmus blue

C)

red litmus green

D)

no change

View Answer
56) A when added to silica will give B A and B are

A)

\[HF,{{H}_{2}}Si{{F}_{4}}\]

B)

\[HF,{{H}_{2}}Si{{F}_{6}}\]

C)

\[HCl,{{H}_{2}}SiC{{l}_{6}}\]

D)

\[HI,{{H}_{2}}Si{{I}_{6}}\]

View Answer
57) The compound

A)

alkyne, \[{{3}^{o}}\] amine

B)

alkene, \[{{2}^{o}}\]amine

C)

alkene, \[{{3}^{o}}\] amine

D)

alkyne, \[{{2}^{o}}\] amine

View Answer
58) The number of geometrical isomers in \[C{{H}_{3}}CH=CHC{{H}_{2}}CH=C{{H}_{2}}\] are

A)

two

B)

three

C)

four

D)

five

View Answer
59) IUPAC name of the compound \[C{{H}_{2}}=CH\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,H-\underset{\begin{smallmatrix} | \\ {{C}_{2}}{{H}_{5}} \end{smallmatrix}}{\mathop{C}}\,H-\underset{\begin{smallmatrix} | \\ OH \end{smallmatrix}}{\mathop{C}}\,HC{{H}_{3}}\]

A)

3-ethyl-4-methyl hex-5-en-2-ol

B)

3-methyl-4-ethyl hex-l-en-5-ol

C)

3-ethyl-2-hydroxy-4-methyl hex-5-ene

D)

none of the above

View Answer
60) In the reaction \[C{{H}_{3}}C{{H}_{2}}COON{{H}_{4}}\xrightarrow{{{P}_{2}}{{O}_{5}}}A\xrightarrow{{{H}^{+}}/{{H}_{2}}O}B\] A and B are

A)

\[C{{H}_{3}}C{{H}_{2}}CON{{H}_{2}},C{{H}_{3}}C{{H}_{2}}CO{{O}^{-}}\]

B)

\[C{{H}_{3}}C{{H}_{2}}COON{{H}_{2}},C{{H}_{3}}C{{H}_{2}}COOH\]

C)

\[C{{H}_{3}}C{{H}_{2}}CN,C{{H}_{3}},C{{H}_{2}}CO{{O}^{-}}\]

D)

\[C{{H}_{3}}C{{H}_{2}}CN,C{{H}_{3}},C{{H}_{2}}COOH\]

View Answer
61) Number of a and n bonds in \[{{C}_{6}}{{H}_{5}}COOH\] are

A)

\[15\sigma ,\,4\pi \]

B)

\[14\sigma ,\,4\pi \]

C)

\[13\sigma ,\,4\pi \]

D)

\[16\sigma ,\,4\pi \]

View Answer
62) \[{{\Psi }^{2}}=0\] represent

A)

node

B)

orbital

C)

angular wave function

D)

wave functions

View Answer
63) Which of the following disaccharide has different type of linkage?

A)

Maltose

B)

Galactose

C)

Starch

D)

Sucrose

View Answer
64) For a reaction \[\Delta H=+29\,kJ\,mo{{l}^{-1}}\] \[\Delta S=-35\,kJ\,mo{{l}^{-1}}\] at what temperature the reaction will be spontaneous?

A)

\[{{828.7}^{o}}C\]

B)

\[828.7K\]

C)

spontaneous at all temperature

D)

not possible

View Answer
65) As the number of nucleon increases, binding energy per nucleon

A)

increases

B)

decreases

C)

first increases then decreases

D)

first decreases then increases

View Answer
66) Rate constant has the unit \[mo{{l}^{-2}}{{L}^{2}}{{s}^{-1}}\], then order of reaction is

A)

zero

B)

first

C)

second

D)

third

View Answer
67) The reaction follows the mechanism \[A+BAB\] (fast) \[AB+B\xrightarrow{{{k}_{2}}}A+{{B}_{2}}\] (slow) then rate law is

A)

\[r=k[A]\,[B]\]

B)

\[r=k[AB]\,[B]\]

C)

\[r=[A]\,{{[B]}^{2}}\]

D)

\[r=k{{[A]}^{2}}\,[B]\]

View Answer
68) Ozonolysis of which of the following will give HCHO?

A)

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

B)

\[{{C}_{2}}{{H}_{4}}\]

C)

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

D)

\[C{{H}_{2}}=CHCH=C{{H}_{2}}\]

View Answer
69) 25g of \[MC{{l}_{4}}\] contains 0.5 mole chlorine then its molecular weight is

A)

100 g \[mo{{l}^{-1}}\]

B)

200 g \[mo{{l}^{-1}}\]

C)

150 g \[mo{{l}^{-1}}\]

D)

400 g \[mo{{l}^{-1}}\]

View Answer
70) pH of the solution containing \[1.04\times {{10}^{-12}}M\]KOH.is

A)

-11.9

B)

+11.9

C)

7

D)

2.30

View Answer
71) Benzene gives mainly

A)

addition reaction

B)

elimination reaction

C)

substitution reaction

D)

all of the above

View Answer
72) Formula of ammonium manganate is

A)

\[N{{H}_{4}}Mn{{O}_{4}}\]

B)

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

C)

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

D)

\[N{{H}_{4}}M{{n}_{2}}{{O}_{4}}\]

View Answer
73) Heart patients can be given

A)

monosaturated fatty acid

B)

trans fatty acid

C)

polyunsaturated fatty acid

D)

polysaturated fatty acid

View Answer
74) For the reaction 1 g mole of \[CaC{{O}_{3}}\] is enclosed in 5 L container \[CaC{{O}_{3}}(s)\xrightarrow{{}}CaO(s)+C{{O}_{2}}(g)\] \[{{k}_{p}}=11.6\] at 1073 K then per cent dissociation of \[CaC{{O}_{3}}\] is

A)

65%

B)

100%

C)

6.5%

D)

zero

View Answer
75) The only amino acid which is non chiral is

A)

lysine

B)

proline

C)

glycine

D)

histidine

View Answer
76) The electrolyte \[[Co{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{2}}\] is which of the following type?

A)

1 : 2

B)

1 : 3

C)

2 : 3

D)

4 : 1

View Answer
77) In heterogeneous catalysis which of the following process takes place?

A)

absorption

B)

hydration

C)

adsorption

D)

intermediate compound

View Answer
78) An ideal solution is obtained by mixing \[C{{H}_{3}}CHB{{r}_{2}}\] and \[C{{H}_{2}}Br-C{{H}_{2}}Br\] in the ratio \[2:1\,{{P}^{o}}_{C{{H}_{3}}CHB{{r}_{2}}}=173,\,{{P}^{o}}_{C{{H}_{2}}BrC{{H}_{2}}Br}=127\]

A)

158

B)

257

C)

137

D)

197

View Answer
79) For the reaction \[{{N}_{2}}+3{{H}_{2}}\rightleftarrows 2N{{H}_{3}}+\]heat when temperature increases cone. of

A)

formation of \[N{{H}_{3}}\] increases

B)

formation of \[N{{H}_{3}}\] decreases

C)

concentration of \[{{N}_{2}}\] decreases

D)

concentration of \[{{H}_{2}}\] decreases

View Answer
80) Carbon-oxygen bond length of \[C{{H}_{2}}O(I);C{{H}_{2}}\overset{-}{\mathop{O}}\,(II)\] and \[C{{H}_{3}}OH(III)\] is in the order

A)

\[I>II>III\]

B)

\[II>I>III\]

C)

\[III>II>I\]

D)

\[III>I>II\]

View Answer
81) In the table

Proton Electron Charge

23 X +3

46 43 Y

X and Y are

A)

20, -3

B)

20, +3

C)

26,-3

D)

none of these

View Answer
82) Which of the following is true for polypropylene?

A)

Propylene, condensation polymer

B)

Propylene, addition polymer

C)

Propylene, ammonic polymers

D)

Propylene, cationic ammonic polymerase

View Answer
83) The total number of orbital up to \[n=4\] are

A)

2

B)

16

C)

32

D)

30

View Answer
84) Coordination number of a body centered cubic is

A)

6

B)

8

C)

10

D)

12

View Answer
85) \[x\] mole of \[BaC{{O}_{3}}\] are soluble in 1 L then x is related to its solubility product by the expression

A)

\[x={{K}_{sp}}\]

B)

\[{{x}^{2}}=\sqrt{{{K}_{sp}}}\]

C)

\[x=\sqrt{{{K}_{sp}}}\]

D)

\[x=\frac{{{K}_{sp}}}{2}\]

View Answer
86) Which of the following do not have \[s{{p}^{2}}\]hybridised carbon?

A)

\[HCHO\]

B)

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

C)

\[HCOOH\]

D)

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

View Answer
87) Isopiglmic solution are those which have

A)

same vapour pressure

B)

same concentration

C)

same density

D)

same osmotic pressure

View Answer
88) Which of the following is superoxide?

A)

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

B)

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

C)

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

D)

\[{{C}_{3}}{{O}_{2}}\]

View Answer
89) The total number of isomers in \[{{C}_{6}}{{H}_{3}}C{{l}_{3}}\]

A)

two

B)

three

C)

four

D)

five

View Answer
90) In the reaction of \[NaH\]with water which of the following is present?

A)

\[Na{{O}^{-}}\]

B)

\[O{{H}^{-}}\]

C)

\[{{H}^{+}}\]

D)

\[N{{a}^{-}}\]

View Answer
91) \[NaH\] contains how many covalent bonds?

A)

zero

B)

two

C)

one

D)

three

View Answer
92) \[{{S}_{g}}\] and \[{{S}_{x}}\] are

A)

isotopes

B)

isotones

C)

allotropes

D)

isobars

View Answer
93) The total number of lone pair of \[Cl{{F}_{3}}\] are

A)

2

B)

9

C)

11

D)

15

View Answer
94) For the reaction between \[KMn{{O}_{4}}\] and \[{{H}_{2}}{{O}_{2}}\]the number of electrons transferred per mol of \[{{H}_{2}}{{O}_{2}}\] are

A)

one

B)

two

C)

three

D)

four

View Answer
95) What will be the resultant pH when 200 mL of an aqueous solution of \[HCl\,(pH=2)\] is mixed with 300 mL of an aqueous solution of\[NaOH\,(pH=12)\]?

A)

10

B)

11

C)

12

D)

14

View Answer
96) In the reaction \[10_{3}^{-}+S{{O}_{2}}+4{{H}_{2}}O\xrightarrow{{}}{{I}_{2}}+SO_{4}^{2-}+8{{H}^{+}}\] The coefficient of \[S{{O}_{2}}\] is

A)

three

B)

four

C)

five

D)

six

View Answer
97) Dilution of acid can be done by

A)

adding water to acid

B)

adding acid to water

C)

adding acid to minimum amount of water and then adding excess water

D)

adding steam to acid

View Answer
98) 1 mol/L of \[{{A}_{2}}\] is present and 11% get dissociated according to the equation\[{{A}_{2}}\rightleftarrows B+C\]\[{{K}_{c}}\] for the reaction is

A)

1.24

B)

1.36

C)

1.66

D)

1.76

View Answer
99) For the reaction \[2HX\xrightarrow{{}}{{H}_{2}}+{{X}_{2}}\] \[-\frac{d[HX]}{dt}=\]rate

A)

rate wrt \[HX=+\frac{1}{2}\frac{d[HX]}{dt}\]

B)

rate wrt \[HX=-\frac{1}{2}\frac{d[HX]}{dt}\]

C)

rate wrt \[HX=+\frac{d[HX]}{dt}\]

D)

rate wrt \[HX=-\frac{d[HX]}{dt}\]

View Answer
100) For the reaction \[_{6}^{11}C\xrightarrow{{}}_{5}^{11}B+X\] This is the example of

A)

positron emission

B)

electron capture

C)

electron emission

D)

all of the above

View Answer
101) Resolving power of scanning electron microscope is

A)

0.001 nm

B)

0.01 nm

C)

20 nm

D)

0.0001

View Answer
102) Which of the following enzyme is used in making detergent?

A)

Amylase

B)

Cellulase

C)

Protease

D)

Peptidase

View Answer
103) Enzyme found functional in lysosome is

A)

acid phosphatase

B)

basic phosphatase

C)

oxido reductase

D)

liases

View Answer
104) Action of lysozyme is

A)

physiological

B)

anatomical

C)

morphological

D)

none of these

View Answer
105) Which is not phagocytic?

A)

Monocyte

B)

Lymphocyte

C)

Mast-cell

D)

Neutrophil

View Answer
106) Which part of brain control intellectual ability?

A)

Frontal lobe

B)

Parietal lobe

C)

Temporal lobe

D)

Occipetal lobe

View Answer
107) The correct sequence of meninges of brain from outside to inside is

A)

duramater \[\to \] arachnoid \[\to \] piamater

B)

arachnoid \[\to \] duramater \[\to \] piamater

C)

piamater \[\to \] duramater \[\to \]arachnoid

D)

duramater \[\to \] piamater \[\to \] arachnoid

View Answer
108) The sequence of ear ossicles from outside to inside is

A)

malleus \[\to \] incus \[\to \] stapes

B)

incus \[\to \]stapes \[\to \] malleus

C)

stapes \[\to \] incus \[\to \]malleus

D)

malleus \[\to \]stapes \[\to \] incus

View Answer
109) Which of the following is balancing organ?

A)

Organ of Corti

B)

Cochlea

C)

Vestibular region

D)

All of these

View Answer
110) Glenoid cavity is found in

A)

pelvic girdle

B)

pectoral girdle

C)

sternum

D)

humerus

View Answer
111) Vital capacity of lung is

A)

\[TV+IRV+ERV\]

B)

\[TV+\text{ }IRV+\text{ }RV\]

C)

\[TV+ERV\]

D)

\[IRV+ERV\]

View Answer
112) During normal respiration without any effort the volume of air inspired or expired is called

A)

tidal volume

B)

reserve volume

C)

residual volume

D)

none of these

View Answer
113) Synaptic vesicle is found in

A)

pre synaptic neuron

B)

post synaptic neuron

C)

synaptic cleft.

D)

none of the above

View Answer
114) 3-PGA is first stable product ill

A)

carbon-reduction cycle

B)

OAA

C)

malic acid

D)

PEP

View Answer
115) Pat storing granules are

A)

elaioplast

B)

amyloplast

C)

aleuroplast

D)

none of these

View Answer
116) Sub units in prokaryotic ribosomcs are

A)

60S-40S

B)

50S-30S

C)

40S-30S

D)

50S-20S

View Answer
117) Adaptive radiation is for

A)

dissimilar character for adoption from common ancestor

B)

similar characters for adoption from common ancestor

C)

dissimilar character for adoption from different ancestor

D)

similar characters for adoption from different ancestor

View Answer
118) Competition of species leads to

A)

extinction

B)

mutation

C)

greater number of niches are formed

D)

symbiosis

View Answer
119) Large unit of land having different types of plants and animals

A)

uniform vegetation

B)

biome

C)

ecosystem

D)

niche

View Answer
120) 500 mL of 0.1 mol \[HCl\] has pH

A)

1

B)

13

C)

2

D)

0.1

View Answer
121) Pepsinogen is secreted by

A)

chief cell

B)

1 oxyntic cell

C)

mast cell

D)

parietal cell

View Answer
122) Haematuria means.

A)

RBC in the urine

B)

WBC in the urine

C)

both [a] and [b]

D)

none of the above

View Answer
123) Which of the following is both osmoregulator as well as nitrogenous product?

A)

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

B)

Urea

C)

Uric acid

D)

All of these

View Answer
124) Phylogenetic system was given by

A)

Engler and Prantl

B)

Pliny

C)

John Ray

D)

R.H. Whittaker

View Answer
125) Coacervates are

A)

protobionts having polysaccharide + protein \[+{{H}_{2}}O\]

B)

protein aggregate

C)

protein and lipid aggregates

D)

none of the above

View Answer
126) Bt toxin obtained from

A)

prokaryotes

B)

eukaryotes

C)

both [a] and [b]

D)

none of these

View Answer
127) Which is correct?

A)

Slime moulds are haploid

B)

Protozoan lack cell wall

C)

Dinoflagellates are immotile

D)

Pellicle is absent in Euglena

View Answer
128) Zygospore is

A)

give rise to zoospores on meiosis

B)

equivalent to Ascus, Brasilia

C)

dormant stage

D)

give raise to asexual spore

View Answer
129) Mycorrhiza is found in

A)

oligotrophic soil

B)

eutrophic soil

C)

both [a] and [b]

D)

none of the above

View Answer
130) Which disaccharide has different linkage?

A)

Maltose

B)

Starch

C)

Sucrose

D)

Lactose

View Answer
131) Corpus luteum secretes

A)

progesterone and estrogen

B)

LH

C)

only progesterone

D)

progesterone and LH

View Answer
132) Testosterone is secreted by

A)

Leydig cell

B)

Sertolicell

C)

spermatogenic cell

D)

all of the above

View Answer
133) Hypothyroidism causes

A)

myxodema

B)

cretinism

C)

both [a] and [b]

D)

exopthalmic goiter

View Answer
134) Which of the following controls the function of Sertoli cell?

A)

FSH

B)

Estrogen

C)

ACTH

D)

Testosterone

View Answer
135) Fertilization of sperm and ova takes place in

A)

ampulla of oviduct

B)

isthmus of oviduct

C)

fimbrae of oviduct

D)

none of the above

View Answer
136) Rr rr progeny: Red (dominant) flowered heterozygous crossed with white flower

A)

350 \[\to \] red : 350 \[\to \] white

B)

450 \[\to \] red : 250 white

C)

380 \[\to \] red : 320 white

D)

None of the above

View Answer
137) Linkage group in E. coli is/are

A)

4

B)

2

C)

1

D)

5

View Answer
138) Which of the following first suggest the conservative model of DNA replication?

A)

Cairns

B)

Meselson and Stahl

C)

Watson and Crick

D)

Taylor

View Answer
139) Lactic acid is formed in

A)

fermentation

B)

glycolysis

C)

HMP pathways

D)

none of these

View Answer
140) Red list in India completed by

A)

botanical survey of India

B)

zoological survey of India

C)

geological survey of India

D)

none of the above

View Answer
141) National Botanical Institute is situated at

A)

Lucknow

B)

Kolkotta

C)

Mumbai

D)

Chennai

View Answer
142) Penicillin was used in

A)

I world war

B)

II world war

C)

both [a] and [b]

D)

none of these

View Answer
143) Blindness prevented by use of which crop in poor country?

A)

golden rice

B)

wheat

C)

gram

D)

pea

View Answer
144) Ferula aesfoetida is obtain from

A)

roots and stem

B)

leaves

C)

stem

D)

flower

View Answer
145) Movement of \[{{H}_{2}}O\] through cell wall is

A)

apoplast

B)

symplast

C)

tonoplast

D)

none of these

View Answer
146) In which of the following animals Hb is found dissolved in plasma?

A)

Earthworm

B)

Cockroach

C)

5epia

D)

Planaria

View Answer
147) RAAS secretes which of the following hormone?

A)

mineralo corticoids

B)

gluco corticoids

C)

both [a] and [b]

D)

none of the above

View Answer
148) Bones become fragile in

A)

osteoporosis

B)

gout

C)

arthritis

D)

none of these

View Answer
149) Maximum percentage of lipoprotein is in:

A)

chylomicron

B)

HDL

C)

arthritis

D)

none of these

View Answer
150) During repolarization of nerve

A)

\[{{K}^{+}}\] gate closed and \[N{{a}^{+}}\] gate open

B)

\[N{{a}^{+}}\] channels are closed and \[{{K}^{+}}\] channels are open

C)

both gates remain open

D)

both K+ and Na+ gates are closed

View Answer
151) Zn, Mo, Fe, Cu are

A)

trace element

B)

non-essential

C)

macro nutrient

D)

none of these

View Answer
152) In haemoglobin which amino acid acts as blood buffer?

A)

histidine

B)

glutamine

C)

aspartic

D)

lysine

View Answer
153) Depict the correct site of hormone.

A)

\[\alpha \]-glucagons, \[\beta \]-insulin, \[\delta \]-somatostatin

B)

\[\alpha \]-insulin, \[\beta \]-glucagons, \[\delta \]-somatostatin

C)

\[\delta \]-insulin, \[\alpha \]-somatostatin, \[\beta \]-glucagons

D)

\[\alpha \]-somatostadn, \[\beta \]-insulin, \[\delta \]-glucagons

View Answer
154) Insulin receptors are

A)

extrinsic protein

B)

intrinsic protein

C)

G-protein

D)

trimeric protein

View Answer
155) Mode of feeding in free living protozoan is

A)

holozoic

B)

saprozoic

C)

both [a] and [b]

D)

none of these

View Answer
156) Protein deficiency leads to

A)

kwashiorkor

B)

marasmus

C)

cretinism

D)

both [a] and [b]

View Answer
157) Chloride shift in respond to

A)

\[HCO_{3}^{-}\]

B)

\[{{K}^{+}}\]

C)

\[{{H}^{+}}\]

D)

\[N{{a}^{+}}\]

View Answer
158) Double fertilization involves

A)

syngamy + triple fusion .

B)

double fertilization

C)

development of antipodal colls

D)

none of the above

View Answer
159) Late blight of potato is caused by

A)

Phytophothora infestans

B)

Xanthomonas oryzae

C)

Puccinia graminis

D)

TMV

View Answer
160) Tendril of Cucurbita and thorns of Bouganvellia are

A)

homologous organ

B)

analogous organ

C)

vestigial organ

D)

none of the above

View Answer
161) \[{{O}_{2}}\] dissociation curve is

A)

sigmoid curve

B)

parabolic

C)

hyperbolic

D)

straight line

View Answer
162) IAA is derived from or which of the following is involved in the synthesis of a plant hormone IAA and Vasoconstrides cerotonin?

A)

tryptophan

B)

tyrosine

C)

phenylalamine

D)

none of these

View Answer
163) Transverse binary fission is found in

A)

Paramecium

B)

Amoeba

C)

Hydra

D)

Euglena

View Answer
164) Capacitation of sperm occurs in

A)

female genetical tract

B)

vas defferens

C)

vas efferens

D)

vagina

View Answer
165) Phytoplanktons are found in which of the following zone?

A)

limnetic zone

B)

profundal zone

C)

littoral

D)

aphotic zone

View Answer
166) Estuaries are considered of nutrient and trap

A)

river

B)

pond

C)

lake

D)

ocean

View Answer
167) Green algae contains

A)

chlorophyll [a] and [b]

B)

starch

C)

carotenoid

D)

all of the above

View Answer
168) Branch of biology dealing with study of organism in outer space is

A)

Exobiology

B)

Ethology

C)

Euphenics

D)

Ethnology

View Answer
169) Each immunoglobin has two heavy chains and two light chains, the antigen binding is present in

A)

variable region of heavy chain

B)

variable region of both heavy and light chain

C)

variable region of light chain

D)

constant region of both light and heavy chain

View Answer
170) Extension of plasma membrane in prokaryotic cell is

A)

mesosome

B)

hapnoid

C)

ribosome

D)

none of these

View Answer
171) Central dogma of genetic information modified by the discovery of

A)

Reverse transcriptase

B)

DNA polymerase

C)

RNA polymerase

D)

ligase

View Answer
172) Incorrect character of brown algae is

A)

chl. a and b present

B)

they remain attached

C)

chl a and c present

D)

presence of fucoxanthin

View Answer
173) Digestive enzymes are

A)

hydrolases

B)

oxido reductases

C)

transferases

D)

lyases

View Answer
174) Number of proiofilament in microtubule is

A)

13

B)

12

C)

5

D)

10

View Answer
175) Which is not involved as 2nd messenger in \[C{{a}^{2+}}\] mediated hormone?

A)

c-AMP

B)

DG

C)

Phospholipase

D)

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

View Answer
176) Protein found in eye lens is

A)

crystalline

B)

collagen

C)

opsin

D)

rhodopsin

View Answer
177) Which of the following has been covered under the broad patent category?

A)

Triticum

B)

Oryza

C)

Pissum sativum

D)

Brassica

View Answer
178) Alteration of which genes leads to cancer?

A)

cell proliferation gene (protooncogenes)

B)

tumour suppressor gene

C)

tumour virus gene

D)

all of the above

View Answer
179) Which cell secretes antibody?

A)

Lymphocytes

B)

Monocytes

C)

Eosinophil

D)

Neutrophil

View Answer
180) Jojoba contains

A)

C-20 to C-6 bromohydric alcohol wax and triglyceride

B)

wax

C)

triglyceride

D)

sterol

View Answer
181) Turner syndrome is

A)

XO

B)

XXY

C)

XXX

D)

XYY

View Answer
182) Operon concept was proposed by

A)

Jacob and Monod

B)

David Baltimore

C)

Alice Jaffcry

D)

None of the above

View Answer
183) Blood clotting vitamin is

A)

vitamin-K

B)

vitamin-A

C)

vitamin-\[{{B}_{12}}\]

D)

vkamin-\[{{B}_{6}}\]

View Answer
184) Expand ELISA

A)

enzyme linked immuno sorbent assay

B)

enzyme linked ion sorbent assay

C)

enzyme linked inductive assay

D)

none of the above

View Answer
185) Internodes elongation is due to

A)

gibberellin

B)

auxin

C)

cytokinin

D)

abscisic acid

View Answer
186) Apical dominance is due to

A)

auxin

B)

cytokinin

C)

ethylene

D)

gibberellins

View Answer
187) Gibberellin causes

A)

apical dominance

B)

flowering

C)

interned al growth

D)

wilting

View Answer
188) If non-limiting condition are provided then, which happens?

A)

natality increase and mortality decreases

B)

morality decrease

C)

natality increases

D)

motality increases

View Answer
189) Mother B homozygous, father A unknown \[\therefore \] possible blood group in progeny is

A)

AB and B possible

B)

AB and A possible

C)

A + B possible

D)

0 possible

View Answer
190) In flagella membrane which enzyme catalyses ATP activity?

A)

cytoplasmic dyenin

B)

asconic dynein

C)

kinesis

D)

myosin

View Answer
191) The new varieties of plants are produced by

A)

selection and hybridization

B)

mutation and selection

C)

introduction and mutation

D)

selection and introduction

View Answer
192) Differentiated cell remains at which stage?

A)

\[{{G}_{1}}\]

B)

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

C)

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

D)

M

View Answer
193) Genetic material of retrovirus is

A)

DNA

B)

RNA

C)

both [a] and [b]

D)

none of these

View Answer
194) Characters of acquired immunity are

A)

specificity

B)

difference between self and non-self

C)

retains memory

D)

all of the above

View Answer
195) Which conserved motifs is found in E. coli genes?

A)

TATA box

B)

CAAT box

C)

Pribnow box

D)

All of these

View Answer
196) Vernalization is done at

A)

lower temperature

B)

low light intensity

C)

higher temperature

D)

high light intensity

View Answer
197) Which of the following is involved in the catalysis of link reaction during aerobic respiration?

A)

Vitamin-A

B)

Vitamin-\[{{B}_{1}}\]

C)

Vitamin-\[{{B}_{6}}\]

D)

Vitamin-K

View Answer
198) Archaeopteryx is a connecting link between

A)

Pisces and Amphibia

B)

Reptiles and Aves

C)

Amphibia and Aves

D)

Reptiles and Mammals

View Answer
199) A tall plant was grown in nutrient deficient soil and remained dwarf. When it is crossed with dwarf plant then

A)

all hybrid plants are dwarf

B)

all hybrid plants are tall

C)

50% tall and 50% dwarf

D)

75% tall and 25% dwarf

View Answer
200) Which one is correct sequence in glycolysis?

A)

G6-P \[\to \] PEP \[\to \] 3-PGAL \[\to \] 3PGA

B)

G6-P \[\to \] 3-PGAL \[\to \] 3-PGA \[\to \] PEP

C)

G6-P \[\to \] PEP \[\to \] 3-PGA \[\to \] 3-PGAL

D)

G6-P \[\to \] 3-PGA \[\to \] 3-PGAL \[\to \] PEP

View Answer