GENERAL SCIENCE #13
MULTIPLE CHOICE QUESTIONS
1. Which
of the following is considered as non-conventional source of energy?
(a) Solar
(b) Natural gas
(c) Nuclear power
(d) Coal
Answer:
(a)
2. A
man is standing on a weighing machine in a lift which is moving. The weighing
machine will show minimum reading when the lift is moving ……………
(a) downwards with uniform acceleration
(b) upwards with uniform acceleration
(c) upwards with uniform speed
(d) in a free fall due to failure of the lift mechanism
Answer:
(d)
3. The
action and reaction forces referred to Newton’s third law ……………
(a) must act on the same object
(b) may act on different object
(c) must act on different object
(d) need not be equal in magnitude but must have the C
Answer:
(c)
4. In
SI units, the number of basic physical quantities are ……………
(a) 3
(b) 7
(c) 10
(d) 15
Answer:
(b)
5. Horizontal
and vertical angles is measured by which of the following?
(a) Radar
(b) Seismograph
(c) Theodolite
(d) Telescope
Answer:
(c)
6. What
is the melting point of ice?
(a) 0⁰ C
(b)- 0⁰ C
(c) 100⁰ C
(d) -100⁰ C
Answer:
(a)
7. What
is the boiling point of copper?
(a) 100⁰ C
(b) 356.58⁰ C
(c) 2336⁰ C
(d) 907⁰ C
Answer:
(c)
8. First
change of water into vapours is ……………
(a) a natural process
(b) a physical change
(c) a bio-chemical process
(d) a chemical change
Answer:
(b)
9. Van
der Waals forces depend upon which of the following?
(a) Molecular mass
(b) Molecular size
(c) Molecular shape
(d) All of the above
Answer:
(d)
10. What
is the property used in sewage disposal?
(a) Coagulation
(b) Electrophoresis
(c) Tyndall effect
(d) Adsorption
Answer:
(a)
11. Which
of the following components is present in highest proportion in water?
(a) CH4
(b) Steam
(c) H2
(d) CO2
Answer:
(c)
12. Hydrogen
can act as which of the following?
(a) Reducing agent only
(b) Oxidising agent only
(c) Both (a) and (b)
(d) None of the above
Answer:
(c)
13. How
many neutrons are present in the nucleus of tritium?
(a) 1
(b) 2
(c) 3
(d) 4
Answer:
(b)
14. The
molecular mass of tritium oxide is about ……………
(a) 17 u
(b) 20 u
(c) 22 u
(d) 32 u
Answer:
(c)
15. Milk
: Protein :: Bread : ……………?
(a) Vitamins
(b) Carbohydrates
(c) Minerals
(d) Fats
Answer:
(b)
16. Which
animal produces milk for its young?
(a) Frog
(b) Snake
(c) Monkey
(d) Chicken
Answer:
(c)
17. The
Hepatitis-B, which affects liver is actually a ……………
(a) virus
(b) helminth
(c) bacterium
(d) protozoan
Answer:
(a)
18. Ring
worm is caused by which of the following?
(a) Bacterium
(b) Fungus
(c) Worm
(d) Virus
Answer:
(b)
19. Which
one of the following disease is caused by virus?
(a) Whooping cough
(b) Cholera
(c) Measles
(d) Diphtheria
Answer:
(c)
20. The
absence of cobalt in minute quantities in human body causes which of the
following?
(a) Arthritis
(b) Matta fever
(c) Pernicious anaemia
(d) Leucoderma
Answer:
(c)
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