1. What
is the value of solar constant?
(a) 1.739 cal/cm2/min
(b) 1.379 cal/cm2/min
(c) 1.937 cal/cm2/min
(d) 9.137 cal/cm2/min
2.
About how much is the maximum efficiency of a diesel engine?
(a) 70%
(b) 50%
(c) 30%
(d) 40%
3.
What is the SI unit of energy?
(a) Newton
(b) Pascal
(c) Joule
(d) Watt
4. What
is the freezing point of water on Fahrenheit scale?
(a) 100⁰C
(b) 0⁰C
(c) 32⁰F
(d) 0⁰F
5.
How does an air bubble in water behave?
(a) Concave lens
(b) Plano-convex lens
(c) Convex lens
(d) Concave-convex lens
6.
Which of the following process cannot be adiabatic?
(a) Suddenly burst of an air filled balloon
(b) Suddenly burst of CO2 filled cylinder
(c) Propagation of longitudinal waves in air
(d) Freezing of ice
7.
Who first introduced a simple pendulum?
(a) Galileo
(b) Alexander
(c) Newton
(d) Einstein
8.
What is the Latin name of silver?
(a) Argentum
(b) Aurum
(c) Kalium
(d) Cuprum
9. Which of the following is also called as
Gelatin?
(a) Protective colloid
(b) Hydrophilic colloid
(c) Emulsion
(d) None of the above
10. What
does Bohr’s model can explain?
(a) The solar spectrum
(b) Spectrum of atom or ion containing one electron only
(c) The spectrum of hydrogen atom only
(d) The spectrum
of hydrogen molecule
11.
What is called a mixture which does not have a uniform composition throughout
its mass?
(a) Homogeneous mixture
(b) Solution
(c) Heterogeneous mixture
(d) None of the above
12.
How gases can be liquefied?
(a) By heating at very low temperature
(b) By heating at very high temperature
(c) By cooling under high pressure
(d) By cooling under low pressure
13.
Which of the following gases is used in fire extinguishers?
(a) Helium
(b) Argon
(c) Carbon dioxide
(d) Hydrogen
14. Which
of the following is a compound?
(a) Nitrogen gas
(b) Air
(c) A black solid residue left when sugar is heated
(d) Carbon dioxide
15. What
is Rh in blood?
(a) Gene
(b) Hormone in body
(c) Antigen
(d) Antibody
16.
Which of the following is a living thing?
(a) Hook
(b) Cook
(c) Cake
(d) Book
17. Why
cells are autonomous?
(a) They synthesize components of living protoplasm from
non-living materials
(b) Each cell has its own life span
(c) They are able to grow and divide
(d) All of the above
18. Which
one of the following types of blood cells is responsible for together clotting
of blood?
(a) Lymphocytes
(b) Monocytes
(c) Erythrocytes
(d) Thrombocytes
19.
What is the total number of bones in a human being?
(a) 209
(b) 270
(c) 206
(d) 210
20.
Which of the following is not required for photosynthesis?
(a) Oxygen
(b) Sunlight
(c) Water
(d) Carbon dioxide
Answers:
1. (c) 2. (d) 3. (c) 4. (c) 5. (a) 6. (d) 7. (a) 8. (a)
9. (a) 10. (b) 11. (c) 12. (b) 13. (c) 14. (d) 15. (c) 16. (b) 17. (d) 18. (d)
19. (c) 20.
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