GENERAL SCIENCE #3 MCQ
1. Which
of the following is a derived unit?
(a) Joule
(b) Volt
(c) Newton
(d) All of the above
Answer:
(d)
2. In
which of the following experiments, the quantum nature of light has to be used,
to explain the observations?
(a) Polarimetry
(b) Diffraction grating
(c) Newton’s rings
(d) Photoelectricity
Answer:
(d)
3. A
person standing before a furnace receives most of the heat by which of the
following?
(a) Convection
(b) Conduction
(c) Conduction and convection
(d) Radiation
Answer:
(d)
4. The
principle of working of periscope is based on which of the following?
(a) Refraction only
(b) Reflection only
(c) Reflection and refraction
(d) Reflection and interference
Answer:
(c)
5. What
is the mode of propagation of heat from the sun to earth?
(a) Convection alone
(b) Conduction alone
(c) Radiation alone
(d) Convection and radiation
Answer:
(c)
6. By
which of the following mechanism would heat be lost from a hot object standing
on a metal table on the surface of moon?
(a) Convection only
(b) Radiation only
(c) Conduction only
(d) Conduction and radiation
Answer:
(d)
7. How
many moles of water are present in 180 g of water?
(a) 18 moles
(b) 100 moles
(c) 10 moles
(d) 1 mole
Answer:
(c)
8.
What is the other name of lime?
(a) Chuna
(b) Sulphur
(c) Gypsum
(d) None of the above
Answer:
(a)
9.
What is the symbol of silver?
(a) Ag
(b) Sn
(c) Zn
(d) Na
Answer:
(a)
10.
What happens to the vapour of wax when wax is heated in a conical flask that
has a long glass tube attached to it?
(a) Get deposited on the outer side of conical flask
(b) Get deposited at the top of the glass tube
(c) Return back in the wax form in the conical flask
(d) Are not at all formed
Answer:
(d)
11.
What is the symbol of tin?
(a) Na
(b) Au
(c) Zn
(d) Sn
Answer:
(d)
12.
What is the Latin name of sodium element?
(a) Ferrum
(b) Aurum
(c) Cuprum
(d) Natrium
Answer:
(d)
13.
What is the symbol of lead?
(a) Si
(b) Mg
(c) Pb
(d) Mn
Answer:
(c)
14. Which
of the following are the food factories of plant?
(a) Leaves
(b) Fruits
(c) Flowers
(d) Seeds
Answer:
(a)
15.
Which of the following is the smallest blood vessel in the body?
(a) Capillary
(b) Venacava
(c) Artery
(d) Vein
Answer:
(a)
16.
What does ‘Homo sapiens’ stand for?
(a) Tool maker
(b) Human group
(c) Wise men
(d) Human being
Answer:
(c)
17.
Who among the following invented the drug called penicillin?
(a) Alexander Fleming
(b) Alfred Nobel
(c) Dr. Christian Bernard
(d) Louis Pasteur
Answer:
(a)
18.
What is called the branch of science dealing with study of fossils?
(a) Palaeobotany
(b) Palaeozoology
(c) Palaeontology
(d) None of the above
Answer:
(c)
19.
Hair, finger, nails and hoofs are all made up of which of the following?
(a) Iron
(b) Fat
(c) Vitamins
(d) Proteins
Answer:
(d)
20. Which
of the following is called suicidal bag?
(a) Mesosome
(b) Lysosome
(c) Chromosome
(d) Centrosome
Answer:
(b)
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