Solved papers for Punjab Medical Punjab - MET Solved Paper-2006

Punjab - MET Solved Paper-2006 Total Questions - 200

1) Core of a transformer is made up of:

A)

soft iron

B)

steel

C)

iron

D)

alnico

View Answer
2) Transformer is based upon the principle of:

A)

self-induction

B)

mutual induction

C)

eddy current

D)

none of these

View Answer
3) Refractive index of material is equal to tangent of polarising angle. It is called:

A)

Brewsters law

B)

Lamberts law

C)

Malus law

D)

Braggs law

View Answer
4) A car accelerates from rest at constant rate for first \[10\,\,s\] and covers a distance\[x\]. It covers a distance \[y\] in next \[10\,\,s\] at the same acceleration. Which of the following is true?

A)

\[x=3y\]

B)

\[y=3x\]

C)

\[x=y\]

D)

\[y=2x\]

View Answer
5) The horizontal range of a projectile is\[400m\]. The maximum height attained by it will be:

A)

\[100m\]

B)

\[200m\]

C)

\[400m\]

D)

\[800m\]

View Answer
6) What determines the nature of the path followed by the particle?

A)

Speed

B)

Velocity

C)

Acceleration

D)

None of these

View Answer
7) Which of the following is not an example of perfectly inelastic collision?

A)

A bullet fired into a block if bullet gets embedded into block

B)

Capture of electrons by an atom

C)

A man jumping on to a moving boat

D)

A ball bearing striking another ball bearing

View Answer
8) The length of seconds pendulum is \[1\,\,m\] on earth. If mass and diameter of a planet is doubled than that of earth, then its length becomes:

A)

\[1\,\,m\]

B)

\[2\,\,m\]

C)

\[0.5\,\,m\]

D)

\[4\,\,m\]

View Answer
9) Why the dam of water reservoir is thick at the bottom?

A)

Quantity of water increases with depth

B)

Density of water increases with depth

C)

Pressure of water increases with depth

D)

Temperature of water increases with depth

View Answer
10) A hot and a cold body are kept in vacuum separated from each other. Which of the following causes decrease in temperature of the hot body?

A)

Radiation

B)

Convection

C)

Conduction

D)

Temperature remains unchanged

View Answer
11) When a tuning fork produces sound waves in air, which one of the following is same in the material of tuning fork as well as in air?

A)

Wavelength

B)

Frequency

C)

Velocity

D)

Amplitude

View Answer
12) A bomb explodes on the moon. How long will it take for the sound to reach the earth?

A)

\[10\,\,s\]

B)

\[1000\,\,s\]

C)

1 day

D)

None of these

View Answer
13) What is the angle between the electric dipole moment and the electric field strength due to it on the equatorial line?

A)

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

B)

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

C)

\[{{180}^{o}}\]

D)

None of these

View Answer
14) Which of the following is not the property of equipotential surfaces?

A)

They do not cross each other

B)

They are concentric spheres for uniform electric field

C)

Rate of change of potential with distance on them is zero

D)

They can be imaginary spheres

View Answer
15) The potentials of the two plates of capacitors are \[+10V\] and\[-10V\]. The charge on one of the plates is\[40\,\,C\]. The capacitance of the capacitor is:

A)

\[2\,\,F\]

B)

\[4\,\,F\]

C)

\[0.5\,\,F\]

D)

\[0.25\,\,F\]

View Answer
16) To draw maximum current from a combination of cells, how should the cells be grouped?

A)

Series

B)

Parallel

C)

Mixed

D)

Depends upon the relative values of external and internal resistance

View Answer
17) A wire is cut into four pieces, which are put together by sides to obtain one conductor. If the original resistance of wire was\[R\], the resistance of the bundle will be:

A)

\[\frac{R}{4}\]

B)

\[\frac{R}{8}\]

C)

\[\frac{R}{16}\]

D)

\[\frac{R}{32}\]

View Answer
18) Which of the following is not a property of light?

A)

It requires a material medium for propagation

B)

It can travel through vacuum

C)

It involves transportation of energy

D)

It has finite speed

View Answer
19) Which of the following pairs can produce erect, diminished and virtual image?

A)

Concave lens and convex mirror

B)

Convex lens and convex mirror

C)

Convex lens and concave mirror

D)

Concave lens and concave mirror

View Answer
20) For photoelectric emission, tungsten requires light of\[2300\overset{\text{o}}{\mathop{\text{A}}}\,\]. If light of \[1800\overset{\text{o}}{\mathop{\text{A}}}\,\] wavelength is incident then emission:

A)

takes place

B)

doesnt take place

C)

may or may not take place

D)

depends on frequency

View Answer
21) A type kept outside in sunlight bursts off after sometime because of:

A)

increase in pressure

B)

increase in volume

C)

both (a) and (b)

D)

none of the above

View Answer
22) For a wire of length Z, maximum change in length under stress condition is 2 mm. What is the charge in length under same conditions when length of wire is halved?

A)

\[1mm\]

B)

\[2mm\]

C)

\[4mm\]

D)

\[8mm\]

View Answer
23) Air is .blown through a hole on a closed pipe containing liquid. Then, the pressure will:

A)

increase on sides

B)

increase downwards

C)

increase in all directions

D)

never increase

View Answer
24) Light year is a unit of:

A)

time

B)

speed

C)

distance

D)

none of these

View Answer
25) A semiconductor doped with a donor impurity is:

A)

\[p-\]type

B)

\[n-\]type

C)

\[n-p-n\]type

D)

\[p-n-p\]type

View Answer
26) A wire carrying current I and other carrying\[2I\] in the same direction produce a magnetic field B at the mid-point. What will be the field when \[2I\] wire is switched off?

A)

\[B/2\]

B)

\[2B\]

C)

\[B\]

D)

\[4B\]

View Answer
27) What will be energy stored in a strained wire?

A)

\[\frac{1}{2}\times load\times extension\]

B)

\[\frac{1}{2}\times stress\times strain\]

C)

\[\frac{1}{2}\times load\times strain\]

D)

\[\frac{1}{2}\times load\times stress\]

View Answer
28) If error in measurement of radius of sphere is\[1%\], what will be the error in measurement of volume?

A)

\[1%\]

B)

\[1/3%\]

C)

\[3%\]

D)

\[10%\]

View Answer
29) Minimum number of unequal vectors which can give zero resultant are:

A)

2

B)

3

C)

4

D)

more than 4

View Answer
30) A coin is dropped in a lift. If takes time \[{{t}_{1}}\] to reach the floor when lift is stationary. It takes time \[{{t}_{2}}\] when lift is moving up with constant acceleration. Then:

A)

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

B)

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

C)

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

D)

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

View Answer
31) A large ship can float but a steel needle sinks because of:

A)

viscosity

B)

surface tension

C)

density

D)

none of these

View Answer
32) In a solenoid, if number of turns is doubled, then self-inductance will become:

A)

half

B)

double

C)

1/4 times

D)

quadruple

View Answer
33) What causes change in the colours of the soap or oil films for the given beam of light?

A)

Angle of incidence

B)

Angle of reflection

C)

Thickness of film

D)

None of the above

View Answer
34) What happens to the fringe pattern when the Youngs double slit experiment is performed in water instead of air?

A)

Shrinks

B)

Disappear

C)

Unchanged

D)

Enlarged

View Answer
35) Sir C.V. Raman was awarded Nobel Prize for his work concerned with which of the following phenomena of radiation?

A)

Scattering

B)

Diffraction

C)

Interference

D)

Polarisation

View Answer
36) An object is placed at a distance equal to focal length of convex mirror. If the focal length of the mirror be\[f\], then the distance of the image from the pole of the mirror is:

A)

less than\[f\]

B)

equal to\[f\]

C)

more than\[f\]

D)

infinity

View Answer
37) Ability of the eye to see objects at all distances is called:

A)

binocular vision

B)

myopia

C)

hypermetropia

D)

accommodation

View Answer
38) To increase magnifying power of telescope, we should increase:

A)

the focal length of the objective

B)

the focal length of the eyepiece

C)

aperture of the objective

D)

aperture of the eyepiece

View Answer
39) The magnitude of saturation photoelectric current depends upon:

A)

frequency

B)

intensity

C)

work function

D)

stopping potential

View Answer
40) Which of the following is most unstable?

A)

Electron

B)

Proton

C)

Neutron

D)

\[\alpha -\]particle

View Answer
41) After \[2\,\,h\,\,\frac{1}{16}th\] of initial amount of a certain radioactive isotope remains undecided. The half-life of the isotope is:

A)

\[15\min \]

B)

\[30\min \]

C)

\[45\min \]

D)

\[60\min \]

View Answer
42) \[10\,\,g\]of ice at \[{{0}^{o}}C\] is mixed with \[100\,\,g\] of water at \[{{50}^{o}}C\]. What is the resultant temperature of mixture?

A)

\[{{31.2}^{o}}C\]

B)

\[{{32.8}^{o}}C\]

C)

\[{{36.7}^{o}}C\]

D)

\[{{38.2}^{o}}C\]

View Answer
43) An atomiser is based on the application of:

A)

Torricellis theorem

B)

Bernoullis theorem

C)

Archimedes principle

D)

principle of continuity

View Answer
44) Pascal-second has the dimensions of:

A)

force

B)

energy

C)

pressure

D)

coefficient of viscosity

View Answer
45) Consider the following equation of Bernoullis theorem \[P+\frac{1}{2}\rho {{v}^{2}}+\rho gh=K\](constant) The dimensions of \[K/P\] are same as that of which of the following?

A)

Thrust

B)

Pressure

C)

Angle

D)

Viscosity

View Answer
46) What effect occurs on the frequency of a pendulum if it is taken from the earths surface to deep into a mine?

A)

Increases

B)

Decreases

C)

First increases then decreases

D)

No effect

View Answer
47) The crystal of diamond shines due to:

A)

high density

B)

total internal reflection

C)

crystal lattice

D)

none of the above

View Answer
48) The volume of a cube in \[{{m}^{3}}\] is equal to the surface area of the cube in\[{{m}^{2}}\]. The volume of the cube is:

A)

\[64{{m}^{3}}\]

B)

\[216{{m}^{3}}\]

C)

\[512{{m}^{3}}\]

D)

\[196{{m}^{3}}\]

View Answer
49) An ice block contains a glass ball. When the ice melts within the water containing vessel, the level of water:

A)

rises

B)

falls

C)

unchanged

D)

first rises and then falls

View Answer
50) A beaker is completely filled with water at\[{{4}^{o}}C.\] It will overflow if:

A)

heated above\[{{4}^{o}}C\]

B)

cooled below\[{{4}^{o}}C\]

C)

both heated and cooled above and below\[{{4}^{o}}C\]respectively

D)

none of the above

View Answer
51) The mass of a photon with wavelength\[3.6\overset{\text{o}}{\mathop{\text{A}}}\,\]is:

A)

\[6.135\times {{10}^{-29}}kg\]

B)

\[3.60\times {{10}^{-29}}kg\]

C)

\[6.135\times {{10}^{-33}}kg\]

D)

\[3.60\times {{10}^{-27}}kg\]

View Answer
52) An electron with values 4, 2, -2 and +1/2 for the set of four quantum numbers \[n,\,\,l,\,\,{{m}_{l}}\] and\[s\]respectively, belongs to:

A)

\[4s\]orbital

B)

\[4p\]orbital

C)

\[4d\]orbital

D)

\[4f\]orbital

View Answer
53) The bond order of\[O_{2}^{+},\,\,{{O}_{2}},\,\,O_{2}^{2-}\]and\[O_{2}^{-}\]varies in the order:

A)

\[O_{2}^{+}>{{O}_{2}}>O_{2}^{2-}>O_{2}^{-}\]

B)

\[O_{2}^{2-}>O_{2}^{-}>{{O}_{2}}>O_{2}^{+}\]

C)

\[O_{2}^{+}>{{O}_{2}}>O_{2}^{-}>O_{2}^{2-}\]

D)

\[{{O}_{2}}>O_{2}^{+}>O_{2}^{-}>O_{2}^{2-}\]

View Answer
54) Molecular orbital electronic configuration for\[X\]anion is: \[KK*{{(\sigma 2s)}^{2}}{{(\sigma *2s)}^{2}}{{(\pi 2{{p}_{x}})}^{2}}{{(\pi 2{{p}_{y}})}^{2}}{{(\sigma 2{{p}_{z}})}^{2}}\]\[{{(\pi *2{{p}_{x}})}^{1}}\]. The anion \[X\] is:

A)

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

B)

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

C)

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

D)

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

View Answer
55) Which of the following statements is incorrect?

A)

Pure aluminium oxide is obtained by heating aluminium hydroxide.

B)

Cryolite lowers down the melting temperature of bauxite in the electrolytic cell for extraction of aluminium.

C)

Carbonate ores are converted into oxides by roasting ore in air.

D)

Mercury cannot be produced by roasting the ore cinnabar in air.

View Answer
56) The relative Lewis acid character of boron trihalides is in the order:

A)

\[B{{I}_{3}}>BB{{r}_{3}}>B{{F}_{3}}>BC{{l}_{3}}\]

B)

\[B{{I}_{3}}>BB{{r}_{3}}>BC{{l}_{3}}>B{{F}_{3}}\]

C)

\[B{{F}_{3}}>BC{{l}_{3}}>BB{{r}_{3}}>B{{I}_{3}}\]

D)

\[BC{{l}_{3}}>B{{F}_{3}}>B{{I}_{3}}>BB{{r}_{3}}\]

View Answer
57) Which of the following metals is most reactive towards water?

A)

\[Na\]

B)

\[K\]

C)

\[Rb\]

D)

\[Cs\]

View Answer
58) Which of the following molecules has pentagonal bipyramidal shape?

A)

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

B)

\[S{{F}_{6}}\]

C)

\[Xe{{F}_{6}}\]

D)

\[{{[Fe{{(CN)}_{6}}]}^{3-}}\]

View Answer
59) The acidity of hydrides of \[O,\,\,S,\,\,Se,\,\,Te\] varies in the order:

A)

\[{{H}_{2}}O>{{H}_{2}}S>{{H}_{2}}Se>{{H}_{2}}Te\]

B)

\[{{H}_{2}}O<{{H}_{2}}S<{{H}_{2}}Se<{{H}_{2}}Te\]

C)

\[{{H}_{2}}S>{{H}_{2}}O>{{H}_{2}}Se>{{H}_{2}}Te\]

D)

\[{{H}_{2}}Se>{{H}_{2}}S>{{H}_{2}}O>{{H}_{2}}Te\]

View Answer
60) The stability of complexes of\[C{{u}^{2+}},\,\,N{{i}^{2+}},\,\,C{{o}^{2+}}\]and \[F{{e}^{2+}}\] varies in the order:

A)

\[C{{u}^{2+}}>N{{i}^{2+}}>C{{o}^{2+}}>F{{e}^{2+}}\]

B)

\[C{{u}^{2+}}>F{{e}^{2+}}>N{{i}^{2+}}>C{{o}^{2+}}\]

C)

\[N{{i}^{2+}}>C{{o}^{2+}}>F{{e}^{2+}}>C{{u}^{2+}}\]

D)

\[C{{u}^{2+}}>N{{i}^{2+}}>C{{o}^{2+}}>F{{e}^{2+}}\]

View Answer
61) Which of the following compounds is generally used for hydrogenation of alkenes?

A)

\[Ni{{(CO)}_{4}}\]

B)

\[{{[{{({{C}_{6}}{{H}_{5}})}_{3}}P]}_{3}}RhCl\]

C)

\[{{(C{{H}_{3}})}_{3}}Al\]

D)

\[{{({{C}_{5}}{{H}_{5}})}_{2}}Fe\]

View Answer
62) The example of co-ordination isomerism is;

A)

\[[Co{{(N{{H}_{3}})}_{6}}][Cr{{(CN)}_{6}}]\]and\[[Cr{{(N{{H}_{3}})}_{6}}][Co{{(CN)}_{6}}]\]

B)

\[[Co{{(N{{H}_{3}})}_{5}}Br]S{{O}_{4}}\]and\[[Co{{(N{{H}_{3}})}_{5}}S{{O}_{4}}]Br\]

C)

\[[Co{{(N{{H}_{3}})}_{5}}N{{O}_{3}}]S{{O}_{4}}\]and\[[Co{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]B{{r}_{2}}\]

D)

\[[Pt{{(N{{H}_{3}})}_{4}}C{{l}_{2}}]B{{r}_{2}}\]and\[[Pt{{(N{{H}_{3}})}_{4}}B{{r}_{2}}]C{{l}_{2}}\]

View Answer
63) Cow milk is an example of natural emulsion stabilized by:

A)

detergent

B)

fat

C)

casein

D)

urea

View Answer
64) The molal elevation constant for water is\[0.52\]. What will be the boiling point of 2 molar sucrose solution at \[1atm\] pressure? (Assume B.P. of pure water as \[{{100}^{o}}C\])

A)

\[{{101.04}^{o}}C\]

B)

\[{{100.26}^{o}}C\]

C)

\[{{100.52}^{o}}C\]

D)

\[{{99.74}^{o}}C\]

View Answer
65) If at \[{{25}^{o}}C\] the ionization constant of acetic acid is \[2\times {{10}^{-5}}\], the hydrolysis constant of sodium acetate will be:

A)

\[5\times {{10}^{-8}}\]

B)

\[5\times {{10}^{-9}}\]

C)

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

D)

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

View Answer
66) The solubility product of \[A{{g}_{2}}CrO\] in water a\[298K\]is\[3.2\times {{10}^{-11}}\]. What will be the concentration of \[CrO_{4}^{2-}\] ions in the saturate solution of\[A{{g}_{2}}Cr{{O}_{4}}\]?

A)

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

B)

\[5.7\times {{10}^{-5}}M\]

C)

\[5.7\times {{10}^{-6}}M\]

D)

\[3.2\times {{10}^{-11}}\]

View Answer
67) The \[p{{K}_{b}}\] value of \[N{{H}_{3}}\] is 5. Calculate the \[pH\] of the buffer solution, \[1\,\,L\] of which contains\[0.01\,\,M\,\,N{{H}_{4}}Cl\]and\[0.10\,\,M\,\,N{{H}_{4}}OH\]:

A)

4

B)

6

C)

8

D)

10

View Answer

68) Calculate the entropy change for\[C{{H}_{4}}(g)+{{H}_{2}}O(g)\xrightarrow{{}}3{{H}_{2}}(g)+CO(g)\],using the following data:

Substance	\[C{{H}_{4}}(g)\]	\[{{H}_{2}}O(g)\]	\[{{H}_{2}}(g)\]	\[CO(g)\]
\[\mathbf{S{}^\circ /J}{{\mathbf{K}}^{\mathbf{-1}}}\mathbf{mo}{{\mathbf{l}}^{\mathbf{-1}}}\]	\[186.2\]	\[188.7\]	\[130.6\]	\[197.6\]

The entropy change is:

\[-46J{{K}^{-1}}mo{{l}^{-1}}\]

\[+46J{{K}^{-1}}mo{{l}^{-1}}\]

\[-214.5J{{K}^{-1}}mo{{l}^{-1}}\]

\[+214.5J{{K}^{-1}}mo{{l}^{-1}}\]

View Answer

69) The type of hybridization in \[Xe{{F}_{4}}\] is:

A)

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

B)

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

C)

\[s{{p}^{3}}{{d}^{2}}\]

D)

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

View Answer
70) Given the electrode potentials\[F{{e}^{3+}}+{{e}^{-}}\xrightarrow{{}}F{{e}^{2+}},\,\,E{}^\circ =0.771\,\,volt\]\[{{I}_{2}}+2{{e}^{-}}\xrightarrow{{}}2{{I}^{-}},\,\,E{}^\circ =0.536\,\,volt\] \[E_{cell}^{\text{o}}\] for the cell reaction\[2F{{e}^{3+}}+2{{I}^{-}}\xrightarrow{{}}2F{{e}^{2+}}+{{I}_{2}},\]is:

A)

\[1.006V\]

B)

\[0.503V\]

C)

\[0.235V\]

D)

\[-0.235V\]

View Answer
71) In the general nuclear reaction\[_{Z}^{A}X+_{2}^{4}He\to _{Z+1}^{Z+3}Y+D\] The product \[D\] is:

A)

\[\alpha -\]particle

B)

\[\beta -\]particle

C)

\[\gamma -\]particle

D)

proton

View Answer
72) Lasagnes test is not used for the detection of:

A)

carbon

B)

halogens

C)

nitrogen

D)

sulphur

View Answer
73) The number of isomeric alkenes with molecular formula \[{{C}_{6}}{{H}_{12}}\] are:

A)

8

B)

10

C)

11

D)

13

View Answer
74) Which of the following alkenes will yield \[2-\]butanone on ozonolysis followed by the reaction with\[Zn/{{H}_{2}}O\]?

A)

2-methyl-2-hexene

B)

2-methyl-1-hexene

C)

3, 4-dimethyl-3-hexene

D)

2, 3-dimethyl-3-hexene

View Answer
75) A bromoalkane \[X\] reacts with magnesium in dry ether to form compound\[Y\]. The reaction of \[Y\] with methanal followed by hydrolysis yield an alcohol having molecular formula\[{{C}_{4}}{{H}_{10}}O\]. The compound \[X\] is:

A)

bromo ethane

B)

bromo methane

C)

1-bromo propane

D)

2-bromo propane

View Answer
76) Which of the following compounds will not exhibit \[cis-trans\] isomerism?

A)

B)

C)

D)

View Answer
77) Which of the following molecules is achiral?

A)

B)

C)

D)

View Answer
78) Which of the following compounds will be most reactive towards nucleophilic addition reaction?

A)

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

B)

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

C)

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

D)

\[C{{H}_{3}}-C{{H}_{2}}-CO-\underset{\begin{smallmatrix} | \\ C{{H}_{3}} \end{smallmatrix}}{\mathop{C}}\,H-C{{H}_{3}}\]

View Answer
79) Which of the following compounds is the strongest acid?

A)

\[HCOOH\]

B)

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

C)

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

D)

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

View Answer
80) In the reaction sequence the product \[C\] is:

A)

benzonitrile

B)

benzaldehyde

C)

benzoicacid

D)

benzyldmine

View Answer
81) The basicity of compounds I, II, III and IV\[\underset{I}{\mathop{C{{H}_{3}}N{{H}_{2}}}}\,,\underset{II}{\mathop{{{(C{{H}_{3}})}_{2}}NH}}\,,\,\,\underset{III}{\mathop{{{(C{{H}_{3}})}_{3}}N}}\,,\]\[\underset{IV}{\mathop{{{C}_{6}}{{H}_{5}}C{{H}_{2}}N{{H}_{2}}}}\,\]varies in the order:

A)

\[I>II>III>IV\]

B)

\[II>I>III>IV\]

C)

\[III>I>II>IV\]

D)

\[IV>I>II>III\]

View Answer
82) Diethyl oxalate is used for distinguishing primary, secondary and tertiary:

A)

alcohols

B)

amines

C)

alkylhalides

D)

hydrogens in hydrocarbons

View Answer
83) The brown haze of photochemical smog is largely attributable to:

A)

\[NO\]

B)

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

C)

\[C{{H}_{3}}\underset{\begin{smallmatrix} || \\ O \end{smallmatrix}}{\mathop{C}}\,ON{{O}_{2}}\]

D)

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

View Answer
84) The water pollutants mainly responsible for eutrophication are:

A)

\[Cd,\,\,Pb\]and \[Hg\] present in industrial waste

B)

heavy metals present in mining waste

C)

detergents and fertilizers containing phosphate anion

D)

polychlorinated biphenyls

View Answer
85) Which of the following is a thermosetting polymer?

A)

Polyethene

B)

Bakelite

C)

Terylene

D)

Polystyrene

View Answer
86) Which of the following is an example of conjugated protein?

A)

Albumin

B)

Globulin

C)

Glutelin

D)

Glycoprotein

View Answer
87) If one strand of DNA has the sequence \[ATCGTATG\], the sequence in the complementary strand would be:

A)

\[TAGCTTAC\]

B)

\[TCACATAC\]

C)

\[TAGCATAC\]

D)

\[TACGATAC\]

View Answer
88) Fluorescein is an example of:

A)

azodyes

B)

phthalein dyes

C)

triphenyl methane dyes

D)

nitro dyes

View Answer
89) Amphetamine is used as:

A)

anaesthetic

B)

antidepressant

C)

antimalarial

D)

analgesic

View Answer
90) Which of the following compounds is used as broad spectrum antibiotics?

A)

Ampicillin

B)

Penicillin G

C)

Penicillin K

D)

Tetracycline

View Answer
91) The weight in gram of 1 curie of radioactive element \[^{200}X\] having \[a\,\,{{t}_{1/2}}\] of \[69.3\min \] is:

A)

\[3.7\times {{10}^{-8}}g\]

B)

\[7.4\times {{10}^{-8}}g\]

C)

\[3.7\times {{10}^{-8}}g\]

D)

\[200g\]

View Answer
92) Gold number is minimum in case of:

A)

gum arable

B)

starch

C)

egg albumin

D)

gelatin

View Answer
93) The standard reduction potential of \[L{{i}^{+}}/Li\]\[B{{a}^{2+}}/Ba,\,\,N{{a}^{+}}/Na\] and \[M{{g}^{2+}}/Mg\] are\[-3.05\],\[-2.73\], \[-2.71\]and \[-2.37\] volt respectively, Which one of the following is strongest oxidising agent?

A)

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

B)

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

C)

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

D)

\[L{{i}^{+}}\]

View Answer
94) Carbon is in the lowest oxidation state in:

A)

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

B)

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

C)

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

D)

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

View Answer
95) Oxidation state of nitrogen is correctly given for: Compound                         Oxidation state

A)

\[M{{g}_{3}}{{N}_{2}}\]                 \[-3\]

B)

\[N{{H}_{2}}OH\]                             \[+1\]

C)

\[{{({{N}_{2}}{{H}_{5}})}_{2}}S{{O}_{4}}\]                            \[+2\]

D)

\[[Co{{(N{{H}_{3}})}_{5}}Cl]C{{l}_{2}}\] \[0\]

View Answer
96) The solubility product of \[AgCl\] is \[4.0\times {{10}^{-10}}\] at\[298K\]. The solubility of \[AgCl\] in \[0.04\,\,M\,\,CaC{{l}_{2}}\] will be:

A)

\[5.0\times {{10}^{-9}}M\]

B)

\[2.0\times {{10}^{-5}}M\]

C)

\[2.2\times {{10}^{-4}}M\]

D)

\[1.0\times {{10}^{-4}}M\]

View Answer
97) The standard free energy change \[(\Delta G{}^\circ )\] is related to equilibrium constant \[(K)\] as:

A)

\[\Delta G{}^\circ =2.303RT\log k\]

B)

\[\Delta G{}^\circ =RT\log k\]

C)

\[\Delta G{}^\circ =2.303RT\log k\]

D)

\[\Delta G{}^\circ =-2.303RT\,\,in\,\,k\]

View Answer
98) For reversible process, the value of AS is gives by the expression:

A)

\[{{q}_{(rev)}}\times T\]

B)

\[{{q}_{(rev)}}\div T\]

C)

\[\Delta H/\Delta T\]

D)

\[T\div {{q}_{(rev)}}\]

View Answer
99) The final product of this reaction is/are:

A)

B)

C)

D)

View Answer
100) Tincture of iodine is:

A)

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

B)

\[{{I}_{2}}\]alcohol

C)

\[{{I}_{2}}\]in\[KI\]

D)

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

View Answer
101) The protein toxin producing bacteria, which used to control biological pest is:

A)

E. coli

B)

Agrobacterium

C)

Mycobacterium sp.

D)

B. thuringiensis

View Answer
102) Bacteria with single flagella at one end is called:

A)

monotrichous

B)

lophotrichous

C)

amphitrichous

D)

peritrichpus

View Answer
103) Which group is evolutionary modem?

A)

Gymnosperms

B)

Grasses

C)

Pteridophytes

D)

Algae

View Answer
104) Most stable ecosystem is:

A)

desert

B)

marine

C)

mountain

D)

forest

View Answer
105) Stratification occurs in:

A)

desert

B)

tropical forest

C)

deciduous forest

D)

tundra

View Answer
106) Ecological pyramids were discovered by:

A)

Eiton

B)

Odum

C)

Reiter

D)

None of these

View Answer
107) The cyrstal of lead zirconate is a key component of:

A)

electroencephalography

B)

electrocardiography

C)

magneto encephalography

D)

sonography

View Answer
108) Which one of the following is a matching pair of a certain body feature and its value/count in a normal human adult?

A)

Urea \[5-10mg/100ml\] of blood.

B)

Blood sugar (fasting)\[-70-100\text{ }mg/100ml\]

C)

Total blood volume\[-5-6\]

D)

ESR in Wintrobe method \[-9-15mm\] in males and \[20-34mm\] in females

View Answer
109) Which one of the following is a matching pair?

A)

Lubb-Sharp closure of AV valves at the beginning of ventricular systole

B)

Dup-Sudden opening of semilunar valves at the beginning of ventricular diastole

C)

Pulsation of the radial artery valves in the blood vessels

D)

Initiation of the heart beat Purkinje fibres

View Answer
110) July 11 is observed as:

A)

World Population Day

B)

No Tobacco Day

C)

World Environment Day

D)

World Health Day

View Answer
111) Biological Oxygen Demand (BOD) is a measure of:

A)

industrial wastes poured into water bodies

B)

extent to which water is polluted with organic compound

C)

amount of carbon monoxide inseparably combined with haemoglobin

D)

amount of oxygen needed by green plants during night

View Answer
112) Photorespiration in \[{{C}_{3}}\] plants starts from :

A)

phosphoglycerate

B)

phosphoglycolate

C)

glycerate

D)

glycine

View Answer
113) Continued consumption of a diet rich in butter, red meat and eggs for a long period may lead to:

A)

vitamin-A toxicity

B)

kidney stones

C)

hypercholesterolemia

D)

urine laden with ketone bodies

View Answer
114) What is true about \[t-\]RNA?

A)

It binds with an amino acid at it 3 end

B)

It has five double stranded regions

C)

It has a codon at one end which recognizes the anticodon on messenger RNA

D)

It looks like clover leaf in the three dimensional structure

View Answer
115) Photochemical smog formed in congested metropolitan cities mainly consists of:

A)

ozone, peroxyacetyl nitrate and\[N{{O}_{x}}\]

B)

smoke, peroxyacetyl nitrate and\[S{{O}_{2}}\]

C)

hydrocarbons, \[S{{O}_{2}}\] and\[C{{O}_{2}}\]

D)

hydrocarbons, ozone and\[S{{O}_{x}}\]

View Answer
116) Natural parthenogenesis is found in:

A)

housefly

B)

honeybee

C)

Drosophila

D)

all of these

View Answer
117) Mammals excrete:

A)

urea

B)

uric acid

C)

ammonia

D)

all of these

View Answer
118) Vestigeal organ in human being is :

A)

incisor

B)

canines

C)

molar

D)

premolar

View Answer
119) The connection between two cells is :

A)

plasmadesmata

B)

microfilaments

C)

sieve tube

D)

none of these

View Answer
120) Natural pearl is:

A)

a mollusc

B)

an annelid

C)

an arthropod

D)

an echinodermate

View Answer
121) Miller and Urey performed an experiment to prove the origin of life. They took gases \[N{{H}_{3}}\] and \[{{H}_{2}}\] along with:

A)

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

B)

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

C)

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

D)

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

View Answer
122) Spermatogenesis is induced by:

A)

FSH

B)

ACTH

C)

ICSH

D)

ATH

View Answer
123) Blood carries \[C{{O}_{2}}\] mainly in which form?

A)

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

B)

\[NaHC{{O}_{3}}\]

C)

Carbonic acid

D)

\[Hb.C{{O}_{2}}\]and carbon monoxide

View Answer
124) During oxidative phosphorylation, the net gain of ATP is:

A)

40

B)

38

C)

34

D)

30

View Answer
125) Which of the following pairs is correct?

A)

Annelida-polychaeta-leech

B)

Arthropoda-crustacea-cockroach

C)

Mollusca-cephalopoda-Octopus

D)

Protozoa-Hydra

View Answer
126) In almost all Indian metropolitan cities like Delhi, the major atmospheric pollutant(s) is/are:

A)

suspended paniculate matter (SPM)

B)

oxides of sulphur

C)

carbon dioxide and carbon monoxide

D)

oxides of nitrogen

View Answer
127) Restriction enzymes:

A)

are endonucleases which cleave DNA at specific sites

B)

make DNA complementary to an existing DNA or RNA

C)

cut or join DNA fragments

D)

are required in vectorless direct gene transfer

View Answer
128) The phase of menstrual cycle in humans that lasts for 7-8 days, is:

A)

follicular phase

B)

ovulatory phase

C)

luteal phase

D)

menstruation

View Answer
129) The source of somatostatin is same as that of:

A)

thyroxine and calcitonin

B)

insulin and glucagon

C)

somatotropin and prolactin

D)

vasopressin and oxytocin

View Answer
130) Reserpine is obtained from:

A)

Asafoetida

B)

Rauwolffia serpentine

C)

Curcuma longa

D)

Papaver somniferum

View Answer
131) The coiling of tendril around some base in response to touch is called:

A)

hydrotaxis

B)

chemotaxis

C)

thigmotropism

D)

geotaxis

View Answer
132) A characteristic feature of ovary of Brassica campestris is:

A)

presence of replum

B)

axile placentation

C)

epigynous

D)

multilocular nature

View Answer
133) One of the characteristic of Hydra is:

A)

predation

B)

metamerism

C)

hibernation

D)

mimicry

View Answer
134) Primary acceptor of \[C{{O}_{2}}\] in photosynthesis is:

A)

phosphoric acid

B)

ribulose phosphate

C)

glucose

D)

ribulose 1, 5 biphosphate

View Answer
135) Which of the following statement is correct?

A)

In Cycas, megasporophyll produce pollen grains

B)

In Agaricus, gills produce basidiospores

C)

In Aspergillus, fruiting body is perithecium

D)

In Funaria, capsule represents gameto- phytic generation

View Answer
136) Which of the following is a disaccharide?

A)

Glucose

B)

Fructose

C)

Sucrose

D)

Galactose

View Answer
137) Periplaneta has no respiratory pigment in its blood because:

A)

air is conducted directly to the body tissues

B)

it has haemocoelom

C)

it has anaerobic respiration

D)

it lacks blood cell in blood

View Answer
138) Which is correct for meiotic metaphase-I?

A)

Bivalents are arranged at equator

B)

Univalents are arranged at equator

C)

Non-homologous chromosomes forms pair

D)

Spindle fibres are attached at chromomere

View Answer
139) In the following how the sap wood is converted into heart wood?

A)

By degeneration of protoplast of living cells

B)

Tyiosis formation

C)

By deposition of resins, oil, gums etc.

D)

All of these

View Answer
140) Exception of MendePs law is:

A)

independent assortment

B)

linkage

C)

purity of gametes

D)

none of these

View Answer
141) A type of life cycle in which plasmogamy, karyogamy, haplodization takes place but not at specific place in life cycle of an organism is called as:

A)

parasexuality

B)

heterozygosity

C)

homozygosity

D)

asexuality

View Answer
142) Branched, aseptate, coenocytic mycelium present in:

A)

Aspergillus

B)

Albugo

C)

Penicillium

D)

Erysiphe

View Answer
143) In cockroach vision is due to:

A)

one compound eye

B)

only two compound eyes

C)

two simple eyes

D)

two compound and two simple eyes

View Answer
144) When tall and dwarf plants are crossed, from which cross 1:1 ratio is obtained?

A)

\[Tt\]and\[tt\]

B)

\[tt\]and\[tt\]

C)

\[Tt\times Tt\]

D)

\[TT\]and\[Tt\]

View Answer
145) The cells without nuclei are present in:

A)

vascular cambium

B)

root hair

C)

companion cell

D)

members of sieve tube

View Answer
146) Which of the following have sunken stomata?

A)

Nerium

B)

Mangifera

C)

Hydrilla

D)

Zea mays

View Answer
147) When a plasmolysed cells is placed in a hypotonic solution then water will move inside the cell. Which force causes this?

A)

DPD

B)

OP

C)

WP

D)

None of these

View Answer
148) Dormancy of seed is broken by:

A)

auxin

B)

gibberellins

C)

ethyelene

D)

cytokinin

View Answer
149) Viroids have:

A)

single stranded RNA not enclosed by protein coat

B)

single stranded DNA not enclosed by protein coat

C)

double stranded DNA enclosed by protein coat

D)

double stranded RNA enclosed by protein coat

View Answer
150) Which one of the following pairs is correctly matched?

A)

Rhizobium - Parasite in the roots of leguminous plants

B)

Mycorrhizae - Mineral uptake from soil

C)

Yeast - Production of biogas

D)

Myxomycetes - The diesease ringworm

View Answer
151) Pollen grains are able to withstand extremes of temperature and dessication because their exine is composed of:

A)

cutin

B)

suberin

C)

sporopollenin

D)

callose

View Answer
152) The quiescent centre in root meristem served as a:

A)

site for storage of food which is utilized during maturation

B)

reservoir of growth hormones

C)

reserve for replenishment of damaged cells of the meristem

D)

region for absorption of water

View Answer
153) Azolla is used as a bio fertilizer because it:

A)

multiplies very fast to produce massive biomass

B)

has association of nitrogen-fixing Rhizobium

C)

has association of nitrogen-fixing cyanobacteria

D)

has association of Mycorrhiza

View Answer
154) The plant part which consists of two generations one within the other, is:

A)

germinated pollen grain

B)

embryo

C)

unfertilized ovule

D)

seed

View Answer
155) Anti-viral substance is:

A)

antigen

B)

antibody

C)

interferon

D)

antibiotic

View Answer
156) The chemicals which are produced by host plants due to infection as a defence reaction to pathogen, are called:

A)

phytotoxin

B)

toxin

C)

phytotron

D)

phytoalexins

View Answer
157) Translocation of organic materials in plants is explained by:

A)

active transport

B)

transpiration pull

C)

inhibition theory

D)

mass flow hypothesis

View Answer
158) Cycas stem shows:

A)

porous wood

B)

monoxylic wood

C)

pycnoxylic wood

D)

ring porous wood

View Answer
159) The desert plants in order to tolerate water stress show:

A)

sunken stomata

B)

reduced leaves

C)

well developed root system

D)

all of the above

View Answer
160) Meiosis in Dryopteris takes place during:

A)

spore formation

B)

gametic formation

C)

spore germination

D)

zygote formation

View Answer
161) Photosynthetic pigments in chloroplast are embeded in the membrane of:

A)

photoglobin

B)

matrix

C)

thylakoid

D)

mitochondria

View Answer
162) Aerenchyma is found in:

A)

parenchyma

B)

xylem

C)

phloem

D)

sclerenchyma

View Answer
163) The process through which the amount of DNA, RNA and protein can be known at a time is called:

A)

autoradiography

B)

tissue culture

C)

cellular fractioning

D)

phase contrast microscopy

View Answer
164) Sponges capture food with the help of:

A)

pinacocytes

B)

choanocytes

C)

trophocytes

D)

theocytes

View Answer
165) In frog, gastrulation process involves:

A)

epiboly

B)

emboly

C)

invagination

D)

all of these

View Answer
166) To yield more milk, cow is injected with:

A)

sorbitol

B)

prolactin

C)

gonadotrophs

D)

stelbesterol

View Answer
167) Balbiani rings are found in :

A)

polysomes

B)

polytene chromosomes

C)

autosomes

D)

non-sense chromosomes

View Answer
168) One of the nucleotide of DNA:

A)

adenine

B)

deoxyadenylic acid

C)

adenosine

D)

deoxyuridine phosphate

View Answer
169) What is haemozine?

A)

Undigested part of blood in trophozoite of Plasmodium

B)

Blood pigment of Anopheles

C)

Decomposed blood in merozoites

D)

Granules in the blood of infected person

View Answer
170) Insects eggs are:

A)

microlecithal and centrolecithal

B)

megalecithal and isolecithal

C)

megalecithal and centrolecithal

D)

megalecithal and telolacithal

View Answer
171) Which type of rhizoids are present in Riccia?

A)

Unicellular smooth

B)

Multicellular smooth

C)

Unicellular smooth and tuberculated

D)

Multicellular smooth and tuberculated

View Answer
172) Which character is found only in mammals?

A)

Neck

B)

Diaphragm

C)

Optic lobes of brain

D)

Tail

View Answer
173) Which type of vascular bundles are found in monocot stem?

A)

Collateral, open, endarch

B)

Radial, open, diarch

C)

Radial, open, mesarch

D)

Collateral, closed, endarch

View Answer
174) In rhizome of Pteridium, stele which is composed of two or more than two concentric rings of vascular bundles is called:

A)

polycyclic

B)

siphonostele

C)

ectophloic siphonostele

D)

cladosiphonostele

View Answer
175) Which of the following is not the correct for gastrulation?

A)

Archenteron is formed

B)

all germinal layers are formed

C)

Morphogenetic movements

D)

Some blastomeres and blastocoel degenerate

View Answer
176) What happens in anterior part of Amoeba at the time of formation of pseudopodia?

A)

Plasma gel convert into plasma sol

B)

Plasma sol convert into plasma gel

C)

Ectoplasm convert into endoplasm

D)

Endoplasm convert into ectoplasm

View Answer
177) The function of clitellum in Pheretima is:

A)

formation of cocoon

B)

secretion of hormone

C)

nutrition of sperm

D)

respiration

View Answer
178) In Mirabilis a hybrid for red (RR) and white (rr) flower produces pink (Rr) flower. A plant with pink flower is crossed with white flower the expected phenotypic ratio is:

A)

red : pink : white\[(1:2:1)\]

B)

pink : white\[(1:1)\]

C)

red : pink\[(1:1)\]

D)

red : white\[(3:1)\]

View Answer
179) What is pollen grain?

A)

Microspore mother cell

B)

Male gamete

C)

Male gametophyte

D)

Partially developed embryo

View Answer
180) Conditions helpful in photorespiration are :

A)

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

B)

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

C)

more temperature and less \[{{O}_{2}}\]

D)

more humidity and less temperature

View Answer
181) Bicollateral bundles are found in:

A)

Cucurbitaceae

B)

Malvaceae

C)

Cruciferae

D)

None of these

View Answer
182) Lignification is associated with:

A)

xylem

B)

phloem

C)

parenchyma

D)

chlorenchyma

View Answer
183) Which of the following is the result of double fertilization?

A)

Cotyledon

B)

Nucellus

C)

Endosperm

D)

None of these

View Answer
184) Pollen tube entered through micropyle in:

A)

porogamy

B)

chalazogamy

C)

syngamy

D)

misogamy

View Answer
185) Correct name is:

A)

Brassica indica

B)

Mangifera Indica

C)

SOLANUM MELONGINA

D)

Mimosa Pudica

View Answer
186) Who discovered the super bugs?

A)

H.G. Khorana

B)

Dilip Sah

C)

Anand Mohan Chakarwarty

D)

Robert

View Answer
187) During unfavourable conditions Amoeba reproduces through:

A)

binary fission

B)

sporulation

C)

multiple fission

D)

conjugation

View Answer
188) Radial symmetry is found in:

A)

frog

B)

starfish

C)

humans

D)

Pheretima

View Answer
189) Pseudocoel is present in:

A)

Periplaneta

B)

Ascaris

C)

Pheretima

D)

Hydra

View Answer
190) Metameric segmentation is the main feature of:

A)

Annelida

B)

Echinodermata

C)

Arthropoda

D)

Coelenterata

View Answer
191) Naked DNA without histones is found in:

A)

prokaryotes

B)

eukaiyotes

C)

protozoa

D)

coelenterate

View Answer
192) Ammonia is converted into urea in :

A)

kidney

B)

lungs

C)

liver

D)

spleen

View Answer
193) Which of the following maintain the Shape of cell?

A)

Osmotic pressure

B)

Turgor pressure

C)

Wall pressure

D)

Osmosis

View Answer
194) Vivipary is found in:

A)

Coelenterata

B)

Protozoa

C)

Rabbit

D)

Pisces

View Answer
195) The ultimate energy source of ecosystem is:

A)

solar energy

B)

biomass

C)

producer

D)

carbohydrates

View Answer
196) Lipid bilayer is present in:

A)

plasma membrane

B)

ribosome

C)

chromosome

D)

nucleolus

View Answer
197) Chiasmata are formed:

A)

due to crossing over of same part between homologous chromosomes

B)

due to crossing over of same part between non-homologous chromosomes

C)

due to duplication of homologous and non-homologous chromosomes

D)

due to loss of some part of chromosomes

View Answer
198) Food store as oil in:

A)

Chlamydomonas

B)

Oedogonium

C)

Vaucheria

D)

Chara

View Answer
199) Lowest number of chromosomes are found in:

A)

Haplopappus

B)

Cyprus

C)

Salix

D)

None of these

View Answer
200) Peat moss is:

A)

Funaria

B)

ferns

C)

algae

D)

Sphagnum

View Answer