Physics
1. If the positive charge is shifted from a low-potential region, to a high-potential
region, the electric potential energy:
a. Increases
b. Decreases
c. Remains the same
d. May increase or decrease
2. Capacitor connected in series have:
a. Same difference of potential across each capacitor
b. Numerically the same charge on each plate of all capacitors
c. C=C1+C2+C3
d. None of the above
3. A certain wire has a resistance R. The resistance of another wire identical
with the first except having twice its diameter is:
a. 2R
b. 0.25R
c. 4R
d. 0.1020?
4. A step up transformer is used on 120 volt line to provide a potential difference
of 2400V. If the primary coil has 75 turns, the number of turns in the secondary
coil is:
a. 150
b. 1200
c. 1500
d. 1575
5. In D.C. motors, induced emf will be maximum:
a. When motors, takes maximum speed
b. When motor starts rotation
c. When speed of motor increases
d. When motor is switched off
6. If a current of 5 Amp. flowing in a coil of inductance 0.1H is reversed
in 10 ms, e.m.f. induced in it is………..volt.
a. 100
b. 50
c. 1
d. 10,000
7. If a current of 10A flows through a wire for 2 seconds, then the charge
on it, it:
a. 5 Coulomb
b. 20 Coulomb
c. 40 Coulomb
d. 0.2 Coulomb
8. The wavelength of light visible to eye is of the order of:
a. 10-2 m
b. 20-10 m
c. 1m
d. 6 x 10-7m
9. A rectangular tank of depth 8 meter is full of water(µ= 4/3), the
bottom is seen at the depth:
a. 6m
b. 8/3m
c. 8cm
d. 10cm
10. To get a high resolving power for a telescope one should use:
a. Larger aperture objective
b. Larger aperture eyepiece
c. A smaller aperture objective
d. Objective made of single lens
11. A person wears glasses of power -2.5D. The defect of the eye and the far
point of the person without the glasses are, respectively:
a. Far sightedness 40 cm
b. Near sightedness, 40 cm
c. Astigmation,40 cm
d. Near sightedness 250 cm
12. From equator to poles, the value of G
a. decreases
b. increases
c. remained unchanged
d. first increases and then decreases
13. At what condition convex lens produces a virtual and erect image
a. When object is placed at F
b. When object is placed in between F and the lens
c. When object is placed beyond F
d. None of the above
14. If an object is placed at the center of curvature of a concave mirror the
image is
a. magnified
b. diminished
c. of the same size as an object
d. virtual
15. At the center of the bar magnet, magnetism is
a. maximum
b. minimum
c. zero
d. two times that on pole
16. alpha – rays are:
a. Gas atoms
b. Helium nuclei
c. Singly ionized atoms
d. Ionized hydrogen atom
17. How much work is done by the bob of second’s pendulum in one complete
cycle?
a. Equal to its maximum kinetic energy
b. Equal to its maximum potential energy
c. Equal to its average energy
d. Zero
18. If the kinetic energy of a body becomes four times its initial value then
the new momentum will be:
a. three times the initial value
b. four times the initial value
c. twice the initial value
d. unchanged
19. Weightlessness experienced while orbiting the earth, in space ships, is
the result of:
a. inertia
b. acceleration
c. zero gravity
d. center of gravity
20. The weight of a body will be maximum at the:
a. poles
b. equator
c. 45o N latitude
d. 45o S latitude
Biology
1. When male and female flowers are found in separate plants, it is termed
as:
a. Monoecious
b. Dioecious
c. Autoecious
d. Heteroecious
2. Which of the following connects a bone with another bone at joints:
a. Tendon
b. Ligament
c. Cartilage
d. None
3. Dental Formula of man:
a. 2123/2123
b. 1023/1034
c. 2315/1032
d. 2123/2103
4. Biological marriage between these two is not advisable:
a. Rh+ boy and RH- girl
b. Rh+ boy and RH+ girl
c. Rh- boy and RH- girl
d. Rh- boy and RH+ girl
5. Which type of DNA is found in bacteria:
a. Circular DNA
b. Rectangular DNA
c. Linear RNA
d. Tetrahedral DNA
6. Similarity between DNA and RNA:
a. Both are acids
b. Both are polymer of nucleotide
c. Both
d. None of these
7. Anabolism involves:
a. “Breakdown reactions”
b. “Building-up” reactions
c. Both 1 and 2
d. None of the above
8. The most important compounds for origin of life are:
a. Lipids
b. Amino acids
c. Enzymes
d. Nucleotides
9. Which one of the following is the first oxygen producing organism:
a. Green Plants
b. Autotrophic cyanobacteria
c. Autotrophic bacteria
d. All of the above
10. All life on earth derives its energy, directly or indirectly from the sun
except:
a. Pathogenic bacteria
b. Mushrooms and moulds
c. Chemosynthetic bacteria
d. Symbiotic bacteria
11. The smallest plant cell is:
a. Bacteria
b. Virus
c. Virions
d. Mycoplasma
12. The longest known cell is:
a. Human nerve cell
b. Virus
c. Bacteria
d. None
13. Two strands of DNA are attached by hydrogen bonds between:
a. A-T,G-C
b. A-G,T-C
c. A-C,G-T
d. A-U,G-C
14. Glucose is stored as glycogen in:
a. Kidney
b. Liver
c. Pancreas
d. Bone
15. E.R. is the center of:
a. Excretion
b. Digestion
c. Fat synthesis
d. Protein Synthesis
16. The type of joint between the human skull bones is:
a. Hinge joint
b. Synovial joint
17. The term “Survival of fittest” was coined by:
a. Spencer
b. Miller
c. Haeckel
d. Mendel
18. Which of the following group of plants lacks chlorophyll?
a. algae
b. fungi
c. bryophytes
d. Pterydophytes
19. DNA and RNA are the nucleic acids. Which of the following is not in DNA?
a. adenine
b. guanine
c. Uracil
d. Thiamine
20. Which one is a medicinal plant?
a. quercus glauca
b. Rauwolfia serpentina
c. Alnus nepalensis
d. juglans regia
Chemistry
1. Which of the following do not give effervescences with Na HCO3?
a. Phenol
b. Benzoic acid
c. 2, 4-dinitrophenol
d. 2, 4, 6-trinitrophenol
2. Which of the following is a simple ether?
a. C2H5OCH3
b. CH3OCH3
c. C6H5---O---CH3
d. All of the above
3. The process of converting hydrated alumina into anhydrous alumina is called:
a. Roasting
b. Smelting
c. Dressing
d. Calcination
4. A mineral is known as an ore of a metal, if the metal:
a. Can not be produced from it
b. Can be produced from it
c. Is very costly
d. Can be produced from it profitably
5. The waste material in an ore is called:
a. Flux
b. Gangue
c. Matte
d. Mineral
6. A mixture of two gases, having partial pressures P1 and P2 has total pressure
P, then:
a. P=P1 + P2
b. P=v( P1 + P2)
c. P= P1 x P2
d. P=( P1 + P2)/2
7. In diamond crystal, carbon is:
a. sp hybridized
b. sp2 hybridized
c. sp3 hybridized
d. None
8. The critical temperature of a substance is defined as:
a. The temperature above which the substance decomposes
b. The temperature above which a substance can exist only as a gas
c. Melting point of the substance
d. Boiling point of the substance
9. Which is the correct increasing order of energy?
a. s<d<p<f
b. s<p<d<f
c. f<d<p<s
d. None of these
10. Graphite is conductor but diamond is non-conductor because:
a. Diamond is hard and graphite is soft
b. Graphite and diamond have different atomic configuration
c. Graphite is composed of positively charged carbon ions
d. Graphite has hexagonal layer structure with mobile electrons while diamond
has continuous tetrahedral covalent structure with no free electrons.
11. Ortho and para Hydrogen differ:
a. In the number of protons
b. In the molecular weight
c. In the nature of spins of protons
d. In the nature of spins of electrons
12. The number of neutrons in D2 molecule is:
a. 1
b. 2
c. 3
d. 4
13. In an oxidation process, oxidation number:
a. increase
b. decrease
c. does not change
d. first decrease then increases
14. Dry ice is composed of:
a. solid ice
b. solid CO2
c. solid SO2
d. solid C6H6
15. Percentage of gold in 18 carrot is
a. 18
b. 75
c. 83.6
d. 100
16. Sea weeds are important source of
a. fluorine
b. chlorine
c. bromine
d. iodine
17. Avogadro’s number being 6 x 1023, the number of atoms present in
6 g of carbon is
a. 6 x 1023
b. 6 x 1023 x 6
c. (6 x 1023)/6
d. (6 x 1023)/2
18. Marble is an example of:
a. Sedimentary rock
b. Metamorphic rock
c. Igneous rock
d. None of these
19. Metal occur in the native form due to their:
a. Low reactivity
b. High reactivity
c. Low density
d. High electro negativity
20. Absolute zero is the temperature where ideal gases are expected to have:
a. Different volumes
b. Same volume
c. Zero volume
d. None of these
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