Solved papers for BVP Medical BVP Medical Solved Paper-2005

BVP Medical Solved Paper-2005 Total Questions - 200

1) The velocity of bullet is reduced from 200 m/s to 100 m/s while travelling through a wooden block of thickness of 10 cm. The retardation assuming to be uniform, will be:

A)

\[15\times {{10}^{4}}m/{{s}^{2}}\]

B)

\[13.5\times {{10}^{4}}m/{{s}^{2}}\]

C)

\[12\times {{10}^{4}}m/{{s}^{2}}\]

D)

none of these

View Answer
2) A stone tied to one end of spring 80 cm long is whirled in a horizontal circle with a constant speed. If stone makes 25 revolutions in 14 sec, the magnitude of acceleration of stone is :

A)

850 cm/\[{{s}^{2}}\]

B)

996 cm/\[{{\sec }^{2}}\]

C)

720 cm/\[{{\operatorname{s}}^{2}}\]

D)

650 cm/\[{{\sec }^{2}}\]

View Answer
3) A concave mirror of focal length 15 cm forms an image having twice the linear dimension of the object. The position of the object when the image is virtual will be :

A)

45 cm

B)

30 cm

C)

7.5cm

D)

22.5 cm

View Answer
4) The thermodynamic co-ordinates of a jar filled with gas A are P, V and T and another jar B filled with another gas are 2P, V/4 and 2T, where the symbols have their usual meaning. The ratio of the number of molecules of jar A to those of jar 8 is :

A)

4 :1

B)

2 : 1

C)

1 :2

D)

1 : 1

View Answer
5) If the pressure of a gas contained in a vessel is increased by 0.4% when heated through \[1{}^\circ C\], the initial temperature had been :

A)

2500 K

B)

250 K

C)

\[250{}^\circ C\]

D)

\[25{}^\circ C\]

View Answer
6) A fire screen produces sensation of cooling as :

A)

it allows both infrared and visible light but cuts off ultraviolet

B)

it allows infrared and cuts off shorter wavelengths

C)

it cuts off both visible light and infrared

D)

it allows only visible light and cuts off infrared

View Answer
7) For a given angle of projection, if the time of flight of a projectile is doubled, the horizontal range will increase to :

A)

four times

B)

thrice

C)

once

D)

twice

View Answer
8) When the kinetic energy of a body executing S.H.M. is 1/3 of the potential energy. The displacement of the body is x percent of the amplitude, where x is :

A)

33

B)

87

C)

67

D)

50

View Answer
9) In the case of horse pulling a cart, the force that causes the horse to move forward is the force that :

A)

the horse exerts on the ground

B)

the horse exerts on the cart

C)

the ground exerts on the horse

D)

the cart exerts on the horse

View Answer
10) If retardation produced by air resistance of projectile is one-tenth of acceleration due to gravity, the time to reach maximum height :

A)

decreases by 11 percent

B)

increases by 11 percent

C)

decreases by 90 percent

D)

increases by 90 percent

View Answer
11) y component of velocity is 20 and x component of velocity is 10. The direction of motion of the body with the horizontal at this instant is :

A)

\[{{\tan }^{-1}}(2)\]

B)

\[{{\tan }^{-1}}(1/2)\]

C)

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

D)

\[0{}^\circ \]

View Answer
12) The dimension of light year is :

A)

\[\left[ {{L}^{-1}} \right]\]

B)

\[\left[ {{T}^{-1}} \right]\]

C)

[L]

D)

[T]

View Answer
13) In a good conductor of electricity, the type of bonding that exists is :

A)

ionic

B)

van der Waal

C)

covalent

D)

metallic

View Answer
14) Two identical straight wires are stretched so as to produce 6 beats per second when vibrating simultaneously. On changing the tension slightly in one of them, the beat frequency still remains unchanged. Denoting by \[{{T}_{1}}\] and \[{{T}_{2}}\], the higher and the lower initial tensions in the strings, it could be said that while making the above changes in tension :

A)

\[{{T}_{1}}\]was decreased

B)

\[{{T}_{1}}\] was increased

C)

\[{{T}_{2}}\]was increased

D)

\[{{T}_{2}}\] was decreased

View Answer
15) When beats are produced by two progressive waves of the same amplitude and of nearly the same frequency, the ratio of maximum loudness to the loudness of one of the waves will be n. Where n is :

A)

3

B)

1

C)

4

D)

2

View Answer
16) A body is suspended from a smooth horizontal nail by a string of length 25 metre. What minimum horizontal velocity should be given to it in the lowest position so that it may move in a complete vertical circle with the nail at the centre?

A)

\[\sqrt{12.25}m{{s}^{-1}}\]

B)

\[4.9m{{s}^{-1}}\]

C)

\[7\sqrt{2}m{{s}^{-1}}\]

D)

\[\sqrt{9.8}m{{s}^{-1}}\]

View Answer
17) Two rain drops falling through air have radii in the ratio 1 : 2. They will have terminal velocity in the ratio :

A)

4 : 1

B)

1 : 4

C)

2 : 1

D)

1 : 2

View Answer
18) A body is acted on by force towards a point. The magnitude of the force is inversely proportional to the square of the distance. The path of body will be :

A)

ellipse

B)

hyperbola

C)

circle

D)

parabola

View Answer
19) An electric immersion heater of 1.08 kW is immersed in water. After the water has reached a temperature of 100°C, how much time will be required to produce 100 g of steam?

A)

210 s

B)

105 s

C)

420 s

D)

50 s

View Answer
20) The speed of sound through oxygen at TK is \[vm{{s}^{-1}}.\]As the temperature becomes 2T and oxygen gas dissociates into atomic oxygen, the speed of sound :

A)

remains the same

B)

becomes 2v

C)

becomes \[\sqrt{2v}\]

D)

none of these

View Answer
21) Illumination of the sun at noon is maximum because :

A)

scattering is reduced at noon

B)

refraction of light is minimum at noon

C)

rays are incident almost normally

D)

the sun is nearer to earth at noon

View Answer
22) Two spheres of radii in the ratio 1 : 2 and densities in the ratio 2 : 1 and of same specific heat, are heated to same temperature and left in the same surrounding. Their rate o cooling will be in the ratio :

A)

2 : 1

B)

1: 1

C)

1 : 2

D)

1: 4

View Answer
23) The formation of ice is started in a lake with water at \[0{}^\circ C\]. When the atmospheric temperature is -\[10{}^\circ C\]. If time taken for 1 cm of ice to be formed is 7 hours, the time taken for the thickness of ice to increase from 1 cm to 2 cm is :

A)

less than 7 hours

B)

7 hours

C)

more than 14 hours

D)

more than 7 hours but less than 14 hours

View Answer
24) If an ideal flask containing hot coffee is shaken, the temperature of the coffee will :

A)

decrease

B)

increase

C)

remain same

D)

decrease if temperature is below \[4{}^\circ C\] and increase if temperature is equal to or more than \[4{}^\circ C\]

View Answer
25) Water is used to cool the radiators of engines in cars because :

A)

of its low boiling point

B)

of its high specific heat

C)

of its low density

D)

of its easy availability

View Answer
26) Suppose radius of the moons orbit around the earth is doubled. Its period around the earth will become :

A)

1/2 times

B)

\[\sqrt{2}\]times

C)

\[{{2}^{{2}/{3}\;}}times\]

D)

\[{{2}^{{3}/{2}\;}}times\]

View Answer
27) A sphere is accelerated upwards by a cord whose braking strength is four times its weight. The maximum acceleration with which the sphere can move up without breaking the cord is :

A)

g

B)

3g

C)

2g

D)

4g

View Answer
28) The potential due to dipole at a point is proportional to :

A)

\[{{r}^{-2}}\]

B)

\[{{r}^{3}}\]

C)

\[{{r}^{2}}\]

D)

r

View Answer
29) The capacitance of a spherical conductor with radius 1 m is :

A)

\[9\times {{10}^{-9}}F\]

B)

\[1\mu F\]

C)

\[2.5\times {{10}^{10}}F\]

D)

\[1\times {{10}^{-6}}F\]

View Answer
30) A body moves for a total of nine second starting from rest with uniform acceleration and then with uniform retardation, which is twice the value of acceleration and then stops. The duration of uniform acceleration is :

A)

3 s

B)

4.5 s

C)

5 s

D)

6 s

View Answer
31) For achromatic combination of lenses, if we use two lenses of focal length and \[f\] respectively, dispersive powers to and \[\omega ,\] then :

A)

\[\omega ={{\omega }_{0,}}\omega =2{{\omega }_{o}},f=2f\]

B)

\[\omega ={{\omega }_{0,}}\omega =2{{\omega }_{o}},f=-2f\]

C)

\[\omega ={{\omega }_{0,}}\omega =2{{\omega }_{o}},f=f/2\]

D)

\[\omega ={{\omega }_{0,}}\omega =2{{\omega }_{o}},f=-f/2\]

View Answer
32) A convex lens makes a real image of 4 cm long on a screen. When the lens is shifted to a new position without disturbing the object or the screen, we get a real image on the screen, which is 16 cm long. The length of the object is :

A)

1/4 cm

B)

8 cm

C)

20 cm

D)

2 cm

View Answer
33) In a sinusoidal wave, the time required for a particular point to move from maximum displacement is 0.17 sec. Then the frequency of the wave is :

A)

0.38 Hz

B)

0.78 Hz

C)

2.9 Hz

D)

1.56 Hz

View Answer
34) Bernoullis principle is based on the law of conservation of :

A)

angular momentum

B)

linear momentum

C)

mass

D)

energy

View Answer
35) The colour of a star indicates its :

A)

temperature

B)

distance

C)

velocity

D)

size

View Answer
36) Efficiency of a HW rectifier is nearly :

A)

80%

B)

60%

C)

40%

D)

20°%

View Answer
37) The current in a diode is related to the voltage V by the equation :

A)

\[I\alpha {{V}^{1/2}}\]

B)

\[I\alpha {{V}^{3/2}}\]

C)

\[I\alpha {{V}^{2}}\]

D)

\[I\alpha V\]

View Answer
38) An X-ray photon has a wavelength 0.01\[\overset{0}{\mathop{A}}\,\]. Its momentum \[(in\text{ }kg\text{ }m{{s}^{-1}})\] is :

A)

\[6.66\times {{10}^{-22}}\]

B)

\[3.3\times {{10}^{-32}}\]

C)

\[6.6\times {{10}^{-22}}\]

D)

0

View Answer
39) The equation \[{{4}_{1}}{{H}^{1}}{{\to }_{2}}H{{e}^{4++}}+2{{e}^{+}}+26Mev\] represents :

A)

\[\gamma \]decay

B)

\[\beta \]-decay

C)

fission

D)

fusion

View Answer
40) An infinitely long straight conductor is bent into the shape as shown in figure. It carries a current i A and radius of the circular loop is rm, The magnetic field at the centre of the loop is :

A)

\[{{\mu }_{0}}i(\pi -1)/2\pi r\]

B)

\[{{\mu }_{0}}i(\pi +1)/2\pi r\]

C)

\[{{\mu }_{i}}/2\pi r\]

D)

none of the above

View Answer
41) The dimensional formula for thermal resistance is :

A)

\[{{M}^{-1}}{{L}^{-2}}{{T}^{3}}\theta \]

B)

\[{{M}^{-1}}{{L}^{-2}}{{T}^{-3}}\theta \]

C)

\[M{{L}^{2}}{{T}^{-2}}\theta \]

D)

\[M{{L}^{2}}{{T}^{-2}}{{\theta }^{-2}}\]

View Answer
42) A truck travelling due north at 20 ms-1 turns west and travels with same speed. What is the change in velocity?

A)

\[20\sqrt{2}m{{s}^{-1}}\]south-west

B)

\[40m{{s}^{-1}}\]south-west

C)

\[20\sqrt{2}m{{s}^{-1}}\]north-west

D)

\[40m{{s}^{-1}}\]north-west

View Answer
43) An iron bar of length / and having a cross-section A is heated from 0 to 100°C. If this bar is so held that it is not permitted to expand or bend, the force that is developed, is :

A)

inversely proportional to the cross-sectional area of the bar

B)

independent of the length of the bar

C)

inversely proportional to the length of the bar

D)

directly proportional to the length of the bar

View Answer
44) A body of uniform cross-sectional area floats in a liquid of density thrice its value. The fraction of exposed height will be :

A)

2/3

B)

5/6

C)

1/6

D)

1/3

View Answer
45) The restoring force of S.H.M. is maximum when particle :

A)

displacement is maximum

B)

half way between them

C)

when crossing mean position

D)

at rest

View Answer
46) Two forces of 12N and 8N act upon a body. The resultant force on the body has a maximum value of :

A)

4N

B)

ON

C)

20N

D)

8N

View Answer
47) Which of following pairs does not have similar dimensions?

A)

Plancks constant and angular momentum

B)

Tension and surface tension

C)

Angle and strain

D)

Stress and pressure

View Answer
48) Four lenses are made from the same type of glass. The radius of curvature of each face is given below. Which will have the greatest positive power?

A)

10 cm convex and 15 can cave

B)

5 cm convex and 10 cm concave

C)

15 cm convex and plane

D)

20 cm convex and 30 cm concave

View Answer
49) The slope of a graph drawn between threshold frequency and stopping potential is :

A)

e

B)

h

C)

\[\frac{h}{e}\]

D)

he

View Answer
50) The truth table given below belongs for which gate? A                             B             C 0                              0              1 0                              1              1 1                              0              1 1                              1              0

A)

OR

B)

XOR

C)

AND

D)

NAND

View Answer
51) Action of nitrous acid on ethyl amine gives:

A)

nitro methane

B)

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

C)

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

D)

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

View Answer
52) Which one of the following is least likely to act as a lew is base?

A)

\[{{I}^{+}}\]

B)

\[I\]

C)

\[SC{{l}_{2}}\]

D)

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

View Answer
53) The molecule which has T-shaped structure is:

A)

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

B)

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

C)

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

D)

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

View Answer
54)  The conjugate acid of \[NH_{2}^{-}\] is:

A)

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

B)

\[NH_{4}^{+}\]

C)

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

D)

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

View Answer
55) \[{{E}^{o}}\] for \[F{{e}^{2+}}+2{{e}^{=}}\xrightarrow{{}}Fe\]is \[-0.44\] volt and \[{{E}^{o}}\] for \[Z{{n}^{2+}}+2{{e}^{-}}\xrightarrow{{}}Zn\] is \[-0.76\] volt thus:

A)

Zn is more electropositive than Fe

B)

Zn is more electronegative than Fe

C)

Fe is more electropositive than Zn

D)

none

View Answer
56) Which isotope is likely to be most stable?

A)

\[_{30}Z{{n}^{66}}\]

B)

\[_{30}Z{{n}^{66}}\]

C)

\[_{30}Z{{n}^{71}}\]

D)

none

View Answer
57) The molecular formula of Phosphorus is

A)

\[{{P}_{5}}\]

B)

\[{{P}_{2}}\]

C)

\[{{P}_{4}}\]

D)

\[{{P}_{1}}\]

View Answer
58) Polyethylene is a resin obtained by polymerization of :

A)

styrene

B)

isoprene

C)

ethylene

D)

butadiene

View Answer
59) The term \[\frac{-dc}{dt}\]in a rate equation refers to:

A)

the decrease in concentration of the     reactant with time

B)

the concentration of a reactant

C)

the change in concentration of the reactant

D)

the velocity constant of the reaction

View Answer
60) \[{{H}_{3}}P{{O}_{3}}\]is :

A)

A dibasic acid

B)

A tribasic acid

C)

monobasic

D)

neutral

View Answer
61) Cassiterite is an ore of:

A)

iron

B)

lead

C)

mercury

D)

tin

View Answer
62) The substance used as pigment in paint is:

A)

borax

B)

alumina

C)

lithopone

D)

none

View Answer
63) A certain mass of gas occupies a volume of 2 litre at STP keeping the pressure constant. At what               temperature would the gas occupy a volume of 4 litre?

A)

\[{{50}^{o}}C\]

B)

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

C)

\[{{273}^{o}}C\]

D)

\[{{546}^{o}}C\]

View Answer
64) Benzoic acid dissolved in benzene shows a molecular weight of:

A)

61

B)

244

C)

366

D)

122

View Answer
65) In the compounds \[KMn{{O}_{4}}\] and \[{{K}_{2}}C{{r}_{2}}{{O}_{7}},\] the highest oxidation state is of the element:

A)

\[Mn\]

B)

\[K\]

C)

\[O\]

D)

\[Cr\]

View Answer
66) Among \[HF,C{{H}_{4}},C{{H}_{3}}OH\] and \[{{N}_{2}}{{O}_{4}}\], inter molecular hydrogen bond is expected :

A)

in two

B)

in all

C)

in all leaving one

D)

none of these

View Answer
67) Which gas has the higher partial pressure in atmosphere?

A)

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

B)

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

C)

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

D)

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

View Answer
68) What bond order does \[L{{i}_{2}}\] have?

A)

3

B)

1

C)

2

D)

0

View Answer
69) The element present in gun-metal is :

A)

\[Co\]

B)

\[Cu\]

C)

\[Sc\]

D)

\[Ti\]

View Answer
70) The weakest acid is:

A)

\[HI\]

B)

\[HBr\]

C)

\[HCl\]

D)

\[HF\]

View Answer
71) Carborundum is the commercial name of:

A)

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

B)

\[SiC\]

C)

\[BN\]

D)

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

View Answer
72) Which conversion is an oxidation?

A)

\[SO_{4}^{2-}.....SO_{3}^{2-}\]

B)

\[C{{u}^{2+}}.....Cu\]

C)

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

D)

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

View Answer
73) Ionic hydrides react with water to give:

A)

hydride ions

B)

acidic solutions

C)

protons

D)

basic solutions

View Answer
74) For the cell,\[Tl\,|T{{l}^{+}}\,(0.001\,M)|\,\,|C{{u}^{2+}}(0.1)M\,\,|\,Cu\]\[{{E}_{cell}}\] at \[{{25}^{o}}C\] is \[0.83V.\] \[{{E}_{cell}}\] can be increased

A)

by decreasing \[[C{{u}^{2+}}]\]

B)

by increasing \[[C{{u}^{2+}}]\]

C)

by increasing \[[T{{l}^{+}}]\]

D)

none

View Answer
75) Electrolytes, when dissolved in water, dissociate into their constituent ions. The degree of dissocation of a weak electrolyte increases with:

A)

the presence of a substance yielding common ion

B)

decreasing temperature

C)

decreasing concentration of the electrolyte

D)

increasing concentration of the electrolyte

View Answer
76) The number of p-electrons in bromine atom is:

A)

12

B)

15

C)

7

D)

17

View Answer
77) If the ionization potential for hydrogen atom is \[13.6\text{ }eV\], then the ionization potential for \[H{{e}^{+}}\] ion should be:

A)

\[13.6eV\]

B)

\[6.8eV\]

C)

\[54.4eV\]

D)

\[72.2eV\]

View Answer
78) Pinacol is:

A)

3-methyl butan-2-ol

B)

2, 3-dimethyl-2, 3-butandiol

C)

2, 3-dimethyl-2-propanone

D)

none

View Answer
79) In glycine, the basic group is :

A)

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

B)

\[-COOH\]

C)

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

D)

\[-NH_{3}^{+}\]

View Answer
80) Which alkyl halide is preferentially hydrolysed by SN mechanism?

A)

\[{{(C{{H}_{3}})}_{3}}C.Cl\]

B)

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

C)

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

D)

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

View Answer
81) The number of TC-bonds present in propyne is:

A)

4

B)

1

C)

3

D)

2

View Answer
82) When metals react with non-metals, the metal atoms tend to?

A)

share electrons

B)

lose electrons

C)

gain electrons

D)

none

View Answer
83) 1 kg of \[NaOH\] solution contains 4g of \[NaOH\]. The approximate concentration of the solution is:

A)

about 0.1 N

B)

decinormol

C)

0.1 molal

D)

0.1 molar

View Answer
84) How much of \[0.1\text{ }M\text{ }{{H}_{2}}S{{O}_{4}}\] solution is required to neutralize 50 ml of 0.2 M \[NaOH\] solution:

A)

\[50ml\]

B)

\[5.0\text{ }ml\]

C)

\[0.50\text{ }ml\]

D)

\[100\text{ }ml\]

View Answer
85) The rate for the reaction\[RCl+NaOH(aq)\xrightarrow[{}]{}ROH+NaCl\] is given by rate \[=k[RCl]\], the freezing point of the reaction is:

A)

unaffacted by increasing the temp. of the reaction

B)

decreased on increasing the temp. of the reaction

C)

halved on reducing the concentration of \[RCl\] to half

D)

doubled on doubling the concentration of \[NaOH\]

View Answer
86) The sub atomic particle, not found in the nucleus, is:

A)

proton

B)

neutron

C)

electron

D)

none

View Answer
87) Emission of a beta particle by an atom of an element results in the formation of:

A)

isomer

B)

isotope

C)

isobar

D)

isomorph

View Answer
88) Which type of isomerism is most common among ethers?

A)

Metamerism

B)

Functional

C)

Chain

D)

Position

View Answer
89) glucose is hydrolysed by zymase into:

A)

amino acids

B)

alcohol

C)

aromatic acids

D)

dicarboxylic acid

View Answer
90) For tile equilibrium, \[PC{{l}_{5}}PC{{l}_{3}}+C{{l}_{2}},{{K}_{c}}=\frac{{{\alpha }^{2}}}{(1-\alpha )V}\] temperature remaining constant:

A)

\[{{K}_{c}}\] may increase or decrease with the    change in volume depending upon its    numerical value

B)

\[{{K}_{c}}\] will increase with the increase in     volume

C)

                \[{{K}_{c}}\] will increase with the decrease in volume

D)

\[{{K}_{c}}\] will not change with the change in   volume

View Answer
91) 20g of a binary electrolyte (mol. wt     =100) are dissolved in 500 g of water.   The depression in freezing point of the     solution is \[{{0.74}^{o}}C\](\[{{K}_{f}}=1.86\text{ }K\] \[molalit{{y}^{-1}}\])    The degree of ionization of the electrolyte is:

A)

\[0%\]

B)

\[100%\]

C)

\[75%\]

D)

\[50%\]

View Answer
92) A spontaneous change is one in which the system suffers:

A)

a lowering of free energy

B)

a lowering of energy

C)

an increase in internal energy

D)

no energy change

View Answer
93) According to equation,\[{{C}_{6}}{{H}_{6}}(l)+\frac{15}{2}{{O}_{2}}(g)\xrightarrow{{}}3{{H}_{2}}O(l)+6C{{O}_{2}}(g)\] \[\Delta \text{H}=-3264.4\text{ }kJ/mol\]. The energy evolved when 7.8 g of benzene is burnt in air will be:

A)

\[3.264\text{ }kJ/mol\]

B)

\[32.64\text{ }kJ/mol\]

C)

\[326.4\text{ }kJ/mol\]

D)

\[163.22\text{ }kJ/mol\]

View Answer
94) When \[PC{{l}_{5}}\] reacts with sulphuric acid, sulphuryl chloride \[(S{{O}_{2}}C{{l}_{2}})\] is formed as the final product. This shows that sulphuric acid:

A)

has two hydroxyl groups in its structure

B)

is a derivative of sulphur dioxide

C)

is a dibasic acid

D)

has greater affinity for water

View Answer
95) In which reaction addition takes place according to Markownikoffs rule?

A)

\[C{{H}_{3}}CH=CHC{{H}_{3}}+B{{r}_{2}}\xrightarrow{{}}\]

B)

\[C{{H}_{2}}=C{{H}_{2}}+HBr\xrightarrow{{}}\]

C)

\[C{{H}_{3}}CH=C{{H}_{2}}+HBr\xrightarrow{{}}\]

D)

\[C{{H}_{3}}CH=C{{H}_{2}}+B{{r}_{2}}\xrightarrow{{}}\]

View Answer
96) Which statement is false? (Assume complete dissociation in each case):

A)

If 2,0 litre of a solution of \[{{H}_{2}}S{{O}_{4}}\] contains 0.1 mole, then pH of the solution is 2

B)

The concentration of \[O{{H}^{-}}\] in 0.005 M \[HN{{O}_{3}}\] is \[2.0\times {{10}^{-12}}mol/l\]

C)

The pH of \[0.01\text{ }M\text{ }KOH\] is 12

D)

In a \[0.001\text{ }M\] solution of \[NaOH\] the concentration of \[{{H}^{+}}\] is \[10{{~}^{-3}}mol/litre\]

View Answer
97) The hydrolysis constant of a salt of weak acid and weak base is inversely proportional to:

A)

ionic product of water

B)

dissociation constant of both weak acid and weak base

C)

dissociation constant of weak acid

D)

dissociation constant of weak base

View Answer
98) Acetamide and ethyl amine are distinguished by reacting with:

A)

\[B{{r}_{2}}\] water

B)

acidic \[KMn{{O}_{4}}\]

C)

\[NaOH\] and heat

D)

\[HCl\] and heat

View Answer
99) Which shows the easier electrophilic substitution in ring?

A)

N-acetyl aniline

B)

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

C)

Aniline

D)

Nitrobenzene

View Answer
100) 300 ml of a gas at \[{{27}^{o}}C\] is cooled to \[-{{3}^{o}}C\] at constant pressure. The final volume is:

A)

\[350l\]

B)

\[270\text{ }ml\]

C)

\[540\text{ }ml\]

D)

\[135\text{ }ml\]

View Answer
101) Pasteur and Koch are related to :

A)

discovery of nucleic acids (DNA and RNA)

B)

discovery of ultracentrifuge

C)

germ theory of disease

D)

gene splicing

View Answer
102) Upon amniocentesis of a pregnant woman, it is found that the embryo contains both, Barr body and F-body. The yndrome likely to be associated with the embryo is:

A)

Edwards syndrome

B)

Downs syndrome

C)

Klinefelters syndrome

D)

Pataus syndrome

View Answer
103) The retina of nocturnal birds contain:

A)

cones only

B)

rods only

C)

both a and b

D)

either a or b

View Answer
104) Among the following which one is longest phase in prophase of meos is?

A)

Leptotene

B)

Zygotene

C)

                Pachytene

D)

                Diplotene

View Answer
105) The cavity in the region of diencephalonin the brain of rabbit is called ;

A)

lateral ventricle

B)

third ventricle

C)

foramen of monro

D)

iter

View Answer
106) Graafian follicle contains :

A)

oogonial cells

B)

corpusluteum

C)

the caexterna and theca intema

D)

corpusalbicans

View Answer
107) Excretion means :

A)

formation of those substances which have some role in the body

B)

removal of such substances which have never been part of the body

C)

removal of useless substances and substances present in excess

D)

all of the above

View Answer
108) Arthropoda are characterised by :

A)

jointed appendages

B)

open blood vascular system

C)

triploblastic

D)

all of the above

View Answer
109) A red blood cell (RBC) was kept in ascertain solution for few minutes and it got burst. The said solution was:

A)

isotonic

B)

concentrated sugar solution

C)

hypcrtonic

D)

hypotonic

View Answer
110) The alternate host of Tacniasaginata is :

A)

                cow

B)

                pig

C)

                dog

D)

                none of these

View Answer
111) Mammary glands are modified :

A)

sweat glands

B)

ceruminous glands

C)

glands of Zeis

D)

inguinal glands

View Answer
112) End of long bones are covered with :

A)

                muscles

B)

                cartilage

C)

                adipose tissue

D)

                bone marrow

View Answer
113) Which of the following is correct?

A)

Mesoderm - brain

B)

Ectoderm - liver

C)

Mesoderm - skeleton

D)

Endodermis - epidermis

View Answer
114) The generic name of tusk shell is :

A)

                Dentalium

B)

                Chaetoderma

C)

                Chiton

D)

                Neopuna

View Answer
115) From Ascaris egg, first larva hatches out in the:

A)

intestine of host

B)

stomach of host

C)

outside the body

D)

uterus of female Ascaris

View Answer
116) Which of the following presumably possesses a cranial capacity larger the modem man?

A)

Neanderthal man

B)

Pecking man

C)

Australopithecus

D)

Cro-Magnon man

View Answer
117) Spontaneous generation theory wa given by

A)

F. Reddi

B)

L.S planznii

C)

                Louis Pasteur

D)

                Aristotle

View Answer
118) Electro cardiograph was developed by

A)

Hans Berger

B)

Willem Kolff

C)

Willen Einthoven

D)

Wiehelm Roentgen

View Answer
119) Various enzymes and hormones can produced on large scale by employ in the recombinant :

A)

DNA technique

B)

RNA technique

C)

viral technique

D)

bacterial technique

View Answer
120) Which structure is not related trespiration in frog?

A)

                Diaphragm

B)

                Skin

C)

                Buccal cavity

D)

                Lungs

View Answer
121) Increase of blood sugar level is known as:

A)

diabetes in sipidus

B)

diabetes mellitus

C)

hypoglycemia

D)

both a and b

View Answer
122) Mosaic disease in tobacco is due to :

A)

                bacteria

B)

                virus

C)

                mycoplasma

D)

                algae

View Answer
123) Pulse beat is measured from :

A)

                arteries

B)

                veins

C)

                capillaries

D)

                nerves

View Answer
124) Which of the following are examples of vestigial structures in man?

A)

Wisdom tooth, head, nails

B)

Wisdom tooth, vermiform appendix, hair

C)

Wisdom tooth, vermiform appendix, coccyx

D)

All of the above

View Answer
125) Immunoglobulin are made up of :

A)

two polypeptide chains

B)

four polypeptide chains

C)

three amino acids only

D)

five nucleotides

View Answer
126) Which of the following disorders can be regarded as madness?

A)

Psychosis

B)

Epilepsy

C)

Insomnia

D)

Parkinsonism

View Answer
127) Vitamin D is produced in human body by:

A)

muscles

B)

skin

C)

nerves

D)

none of these

View Answer
128) Common characteristics of mosquito/housefly and cockroaches are :

A)

one pair each of wings and halters

B)

three pair of legs and one pair of developed wings

C)

two pair of legs and two compound eyes

D)

compound and simple eyes

View Answer
129) Most recent insecticides in India are :

A)

chlorinated hydrocarbons

B)

organo phosphorus compounds

C)

carbamides

D)

pyrethroids

View Answer
130) Tube feet are locomotory organs in :

A)

Annelida

B)

Mollusca

C)

Echinodermata

D)

Arthropoda

View Answer
131) Ozone depletion in stratosphere shall result in:

A)

forest fires

B)

green house effect

C)

global warming

D)

increased incidence of skin cancer

View Answer
132) Acetabulum is the cavity of:

A)

pelvic girdle of frog

B)

sternum of frog

C)

pectoral girdle of frog

D)

all of me above

View Answer
133) Which of the following is a pair of analogous organs?

A)

Contractile vacuole in Amoeba and uriniferous tubule in frog

B)

Paddle of whale and front legs of horse

C)

Mouth parts in insects

D)

Fore limbs in lizard and wings in birds

View Answer
134) Role of typhlosole in earthworm is to :

A)

control blood flow

B)

increase absorptive surface area

C)

produce digestive enzymes

D)

crush food

View Answer
135) National wild life protection act was formulated during :

A)

                1972

B)

                1973

C)

                1952

D)

                1992

View Answer
136) Glucagon is secreted by :

A)

adrenal medulla

B)

P cells of islets of Langcrhans

C)

a cells of islet of Langerhans

D)

adrenal cortex

View Answer
137) Scala tympani is connected to scalavestibuli by :

A)

stnpes

B)

space of nuel

C)

                helicoterma

D)

                basilar membrane

View Answer
138) Eurythermal animals and plants are those :

A)

which can tolerate only a smallvariation in temperature

B)

which can tolerate large variation in temperature

C)

which cannot tolerate any change in temperature

D)

which are affected by temperature

View Answer
139) Ammoniogenesis is process of :

A)

production of \[N{{H}_{3}}\]in liver

B)

excretion of ammonia by tadpole of frog

C)

exchange of \[N{{a}^{+}}\] for \[N{{H}_{3}}\]

D)

none of the above

View Answer
140) Mollusc which does not have ink glandis :

A)

                Pila

B)

                Loligo

C)

                Sepia

D)

                Octopus

View Answer
141) If number of chromosome in foot of fernembryo is 8, what should be the number in its spores ?

A)

                4

B)

                8

C)

                23

D)

                16

View Answer
142) Casparian strips are characteristic of :

A)

                endodermis

B)

                epidermis

C)

                epiblema

D)

                xylem vessels

View Answer
143) Which is true tor meristematictissue?

A)

Their cells have dense cytoplasm and prominent nuclei

B)

Their cells are dead with large inter cellular spaces

C)

These are usually modified for storage

D)

Their cells are most primitive, living and without nuclei

View Answer
144) When funicle, chalaza and micropyle lie in one straight line or lie in same longitudinal axis the ovule is called:

A)

                Anntropous

B)

                Orthotropous

C)

                Amphitropous

D)

                Campy lotropo us

View Answer
145) In Funaria dispersal of spores is achieved with the help of :

A)

                columelln

B)

                calyptra

C)

                peristome

D)

                einters

View Answer
146) In Pinus the endosperm is :

A)

                haploid

B)

                diploid

C)

                triploid

D)

                tetcraploid

View Answer
147) Chipko Movement is related to :

A)

plant conservation

B)

project tiger

C)

animal breeding

D)

operation flood

View Answer
148) In the following there is no difference :

A)

trophic level 1st and herbivores

B)

primary consumers and herbivores

C)

primary carnivore and trophic level und

D)

secondary consumer and herbivores

View Answer
149) Simondosiachinensis is commonly known as :

A)

                amia

B)

                poppy

C)

                teak wood

D)

                jojoba

View Answer
150) Tuisi belongs to family :

A)

Asclcpiadnceae

B)

Labiarae

C)

                Umbelliferae

D)

                Rubiaceae

View Answer
151) Plasmid is :

A)

bacteriophage

B)

DNA molecule in corporailed in bacterial chromosome

C)

DNA molecule present in mitochondria

D)

extra chromosomal genetic element of bacteria

View Answer
152) Plant and animal cells, both have in common :

A)

cell membrane and nucleolus

B)

cell membrane and cell wall

C)

nucleolus and chloroplast

D)

nucleus and cell wall

View Answer
153) Gibbercllins cause :

A)

shortening of genetically tall plants

B)

elongation of genetically dwarf plants

C)

promotion of rooting

D)

yellowing of young leaves

View Answer
154) Which of the following is associated with synthesis of enzymes ?

A)

Translation

B)

Replication

C)

                Transduction

D)

                Transformation

View Answer
155) During anaerobic respiration in yeast :

A)

\[{{H}_{2}}O\]and \[C{{O}_{2}}\] are end products

B)

\[C{{O}_{2}}\], ethanol and energy are end products

C)

\[C{{O}_{2}}\] and \[{{H}_{2}}O\]are end products

D)

\[C{{O}_{2}}\], acetic acid and energy are end products

View Answer
156) Hatch and Slack cycle is found in :

A)

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

B)

                \[{{C}_{3}}\] plants

C)

                both a and b

D)

                none of these

View Answer
157) The site of protein synthesis is :

A)

                smooth E.R

B)

                rough E.R

C)

                plasmalemma

D)

                nucleus

View Answer
158) The modem concept of gene is :

A)

a segment of DNA, capable of crossing over

B)

functional unit of DNA

C)

a segment of RNA

D)

a segment of chromosome

View Answer
159) The disease Oriental sore is caused by :

A)

                bacteria

B)

                virus

C)

                protozoa

D)

                fungus

View Answer
160) Viroids differ from viruses in having :

A)

naked RNA molecules only

B)

naked DNA molecules only

C)

naked DNA packed with viralgenome

D)

satellite RNA packed with viralgenome

View Answer
161) Quantum yield of photosynthesis is :

A)

                33%

B)

                9%

C)

                12%

D)

                8%

View Answer
162) Guttation is manifestation of :

A)

osmosis

B)

transpiration

C)

root pressure

D)

photosynthesis

View Answer
163) Water rises in the stem due to :

A)

cohesion and trans pirational pull

B)

turgor pressure

C)

osmotic pressure

D)

root absorption

View Answer
164) Fensom and Jones suggested which of the following method for translocation of solute?

A)

                Osmosis

B)

                Plasmolysis

C)

                Diffusion

D)

                Electro-osmosis

View Answer
165) Glycolysis is a part of :

A)

anaerobic respiration only

B)

aerobic respiration only

C)

both a and b

D)

Krebs cycle

View Answer
166) Which of the following movements in plants is not related to change in auxinlevel?

A)

Nyctinastic leaf movement

B)

Movement of root towards soil

C)

Movement of sunflower, tracking the direction of sun

D)

Movement of shoot towards light

View Answer
167) The waxy substance associated with cell wall of cork cells is :

A)

                suberin

B)

                cutin

C)

                hemicellulose

D)

                lignin

View Answer
168) In which of the following there is no differentiation of bark, sap wood and heart wood ?

A)

                Ashok

B)

                Neem

C)

                Mango

D)

                Date palm

View Answer
169) An auxotroph is :

A)

a plant that responds by vending to wards sun

B)

an organism that depends on another organism for meeting its nutritional requirements

C)

a mutant which has lost its ability to synthesize one or more essential com pounds

D)

a plant that is able to synthesize it sown carbohydrate

View Answer
170) In plants vacuole contains :

A)

soil

B)

water and dissolved substance

C)

cytoplasm

D)

all of the above

View Answer
171) The number of base pairs per helical turn in Z-DNA is :

A)

                10

B)

                11

C)

                12

D)

                13

View Answer
172) In mushroom gills are meant for :

A)

respiration

B)

nutrition

C)

bears spores which help in reproduction

D)

enhancing buoyancy

View Answer
173) Which of the following cause disease inhuman beings?

A)

                RInzopiis

B)

                Puccini

C)

                Aspergilhts

D)

                Cystopus

View Answer
174) Hetero sporouspteridophytes always produce:

A)

monoecism gametophytes

B)

dioecious gametophytes

C)

homothallic gametophyte

D)

none of the above

View Answer
175) Term meiosis was proposed by :

A)

Fanner and Moore

B)

Flemming

C)

Strasburger

D)

Darlington

View Answer
176) In somatic cells DNA synthesis take splace during :

A)

S-phase

B)

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

C)

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

D)

Prophase of mitosis

View Answer
177) Edible portion of mango is :

A)

                endocarp

B)

                mesocarp

C)

                cotyledons

D)

                endosperm

View Answer
178) Pigment that absorbs red and far red light is :

A)

phytochrome

B)

cytochrome

C)

carotene

D)

xanthophyll

View Answer
179) Inheritance of characters not located in the gene but the young one resembling only the female part is due to:

A)

cytoplasmic inheritance

B)

chromosomal inheritance

C)

plastid inheritance

D)

epigenesist

View Answer
180) Okazaki fragments are produced during the synthesis of :

A)

                m-RNA

B)

                Protein

C)

                f-RNA

D)

                DNA

View Answer
181) The second meotic division leads to :

A)

separation of sex chromosomes

B)

fresh DNA synthesis

C)

separation of chromatids and centromere

D)

separation of homologous chromosomes

View Answer
182) The true stomach in ruminants where most of digestion take place is :

A)

rumen

B)

omasum

C)

                reticulum

D)

                abomasum

View Answer
183) Which of the following cells are related with   inflammatory   reactions   and         immediate hypersensitivity ?

A)

                Mast cells

B)

                Plasma cells

C)

                Tebroblast cells

D)

                All of these

View Answer
184) In which pncumatophores are found ?

A)

                Tinospora

B)

                Finns

C)

                Rimophora

D)

                None of these

View Answer
185) Glyoxylate cycle occurs in :

A)

                lysosomes

B)

                ribosomes

C)

                glyoxysomes

D)

                peroxisomes

View Answer
186) Axolotal is name given to larva of :

A)

                Roundworm

B)

                Aiitphioxiis

C)

                Anibuhstonia

D)

                Silkworm

View Answer
187) Polygonum type of embryosac is :

A)

8 celled 8 nucleate

B)

7 celled 8 nucleate

C)

7 nucleate 8 celled

D)

A female gamete

View Answer
188) Photo respiration could easily by detectedin :

A)

                \[{{C}_{3}}\] plants

B)

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

C)

                both a and b

D)

                none of the above

View Answer
189) Quiescent centre theory was proposed by:

A)

                Nagelli

B)

                Schmidt

C)

                Hanstein

D)

                Clowes

View Answer
190) In, which of the following tissue preparations signet ring appearence is obtained ?

A)

Apithelial tissue

B)

Dense connective tissue

C)

Adipose tissue

D)

Reticular tissue

View Answer
191) Scion is term related to :

A)

                Embryology

B)

                Emasculation

C)

                Grafting

D)

                Palaeo botany

View Answer
192) Which gland in female is a counter part of Cowper gland in male ?

A)

Bartholin gland

B)

Clatoris

C)

Perinea gland

D)

None of these

View Answer
193) Correct sequence of electron acceptor of ATP synthesis is :

A)

                Cyt \[a,{{a}_{3}},b,c\]

B)

                Cyt \[b,c,a,{{a}_{3}}\]

C)

                Cyt \[b,c,{{a}_{3}},a\]

D)

                Cyt \[c,b,a:{{a}_{3}}\]

View Answer
194) Regulation to restrict the movement of diseased plant material from one place to another are called:

A)

plant regulations

B)

plant quarantine

C)

plant protection

D)

corporation

View Answer
195) The name of first cloned sheep is :

A)

                Dolly

B)

                Polly

C)

                Molley

D)

                Holly

View Answer
196) Which of the following are symtoms of radiation desease?

A)

Red and ulcered skin

B)

Nausea and loss of hair

C)

Nausea and anaemia

D)

Uncared skin, anaemia, nausea and loss of hair

View Answer
197) What is the generic name of Portugeseman of war

A)

                Aurelia

B)

                Obelin

C)

                Physalia

D)

                Velella

View Answer
198) Endemic plants are those which arc :

A)

cosmopolition in distribution

B)

restricted to grow over certain areas

C)

found in artic region

D)

gregarious in habit

View Answer
199) Sigma factor is related to :

A)

RNA polymerase

B)

DNA polymerase

C)

both a and b

D)

none of these

View Answer
200) Double fertilization is a characteristic of :

A)

angiosperms

B)

gymnosperms

C)

thallophytes

D)

all plants

View Answer

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