Practice General Science questions with instant scoring, correct answer highlighting,
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Q. 438
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The sex of a child before birth can be determined by:
A Amnoscopy
B Amniocentesis
C Amniograpghy
D None of these
Correct Option:
B [ Amniocentesis ]
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Q. 437
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The function of Kidney is to:
A Purify blood
B Fight against infection
C Digest the food
D None of these
Correct Option:
A [ Purify blood ]
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Q. 436
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How much blood does a man have in his body?
A 4 %
B 10 %
C 7 %
D None of these
Correct Option:
C [ 7 % ]
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Q. 428
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Arya Bhatt was a renowned Indian
A Chemist
B Physician
C Astronomer
D None of these
Correct Option:
C [ Astronomer ]
Aryabhata was a renowned ancient Indian mathematician and astronomer. He lived during the period of Gupta Empire.
Q. 411
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Which of the following is a greenhouse gas
A Chlorofluoro carbon
B Carbon
C Calcium
D None of these
Correct Option:
A [ Chlorofluoro carbon ]
Chlorofluorocarbons (CFCs) are considered greenhouse gases due to their ability to trap heat in the Earth's atmosphere.
Q. 409
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The sky looks blue due to
A Dispersion of Sunlight
B Scattering of Sunlight
C Refraction of Sunlight
D None of these
Correct Option:
B [ Scattering of Sunlight ]
The scattering of sunlight is a phenomenon that occurs when sunlight interacts with particles or molecules in the Earth's atmosphere, causing the light to change direction and spread out in various directions.
Q. 408
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Which one of the following is a chemical change?
A Melting of ice
B Magnetising of Iron
C Burning of coal
D None of these
Correct Option:
C [ Burning of coal ]
A chemical change, also called a chemical reaction, happens when substances combine or break apart to form entirely new substances with different properties.
Q. 407
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Pure gold is of
A 24 Carat
B 18 Carat
C 22 Carat
D None of these
Correct Option:
A [ 24 Carat ]
A "carat" is a unit of measurement used to express the weight of gemstones, particularly diamonds and gold etc.
Q. 406
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When a moving bus suddenly stops, passengers sitting inside leans forward. This is due to
A Conservation of Mass
B Inertia of rest
C Inertia of Motion
D None of these
Correct Option:
C [ Inertia of Motion ]
Inertia of motion is defined as the property of a body to resist any change to its state of uniform motion.
Q. 405
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A heavy stone appears to be lighter in water. This is due to
A Upward pressure of water
B Downward pressure of water
C Lateral pressure of water
D None of these
Correct Option:
A [ Upward pressure of water ]
Water creates upward pressure due to the principle of buoyancy, as described by Archimedes' principle.