General Science MCQ – Series 3

General Science MCQ Questions Answers – Practice Set Series 3

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1) The release of which one of the following into Ponds and wells helps in controlling mosquitoes ?

A. Crab
B. Gambusia Fisha
C. Dogfish
D. Snail

View Answer
Option – b)

2) Monazite is an ore of
A) titanium
b) zirconium
c) iron
d) thorium

View Answer
Option – d)

3) What is key ingredient of Vinegar that you use in diet ?
A. Acetic acid
B. Ascorbic acid
C. Benzoic Acid
D. Nicotinic Acid

View Answer
Option – c)

4) The most economical process of increasing the nutritive value of foodgrains is ?
A. Germination
B. Milling
C. Parboiling
D. Pearling
View Answer
Option – b)

5) One Joule is equal to
a) 105 ergs
b) 103 ergs
c) 107 ergs
d) 1011 ergs
View Answer
Option – c)

6) All Enzymes are actually ?
A. Protein
B. Carbohydrates
C. Fatty acids
D. Sterols
View Answer
Option – a)

7) Nuclear fission is caused by the impact of
a) neutron
b ) proton
c) deuteron
d) electron
View Answer
Option – a)

8) In India, the human organ transplantation act come into existence in ?
A. 1994
B. 1995
C. 1996
D. 1997
View Answer
Option – b)

9) Kilowatt is a unit to measure
a) work
b) power
c) electricity
d) current
View Answer
Option – b)

10) Which of the following is biodegradable?
A. D.D.T.
B. Paper
C. Plastic
D. Aluminium
View Answer
Option – b)

2) Non stick cooking utensils are coated with
a) Teflon
b) PVC
c) black paint
d) polystyrene
View Answer
Option – a)


11) The yellow color of Yolk is due to the presence of ?
A. Livetin
B. Phosphate
C. Riboflavin
D. Vitellin

View Answer
Option – c)

12) Marsh gas is
a) nitrogen
b) ethane
c) methane
d) hydrogen
View Answer
Option – c)

13) Who among the following received Nobel prize for unraveling the helical structure of
Protein ?
A. Linus pauling
B. Maurice Wilkins
C. Sanger
D. Watson and Crick
View Answer
Option – a)

14) The science dealing with Human variations and heredity leading to the improvement of
human race is known as ?
A. Eugenics
B. Genetics
C. Hybridization
D. Mutation
View Answer
Option – a)

15)How does common salt help in separating soap from the solution after saponification?
By decreasing density of Soap
By decreasing solubility of Soap
By increasing density of Soap
By increasing solubility of Soap
View Answer
Option – b)

16) Which variety of coal contains the highest percentage of carbon?
A. Anthracite
B. Peat
C. Bituminous
D. Lignite
View Answer
Option – a)

17) Who saw the cells for the first time in the thin slice of Cork using his crude
Mircoscope ?
A. August Weismann
B. Louis Pasteur
C. Robert Brown
D. Robert Hooke
View Answer
Option – d)

18) A chronometer measures
a) colour contrast
b) sound waves
c) time
d) water waves
View Answer
Option – c)

19) Which one of the following is used as antibacterial dye for skin infection ?
A. Barium
B. Cobalt
C. Gentian violet
D. Nicotinamide
View Answer
Option – c)

20) Where was India’s first computer installed?
A. Indian Statistical Institute, Calcutta
B. Indian Institute of Technology, Delhi
C. Indian Institute of Science, Bangalore
D. Bharat Sanchar Nigam Ltd, Delhi
View Answer
Option – a)