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Here is the MCQs guide for the topic of Science. you will find various types of questions along with there answers in this
Q. One Joule is equal to__________?
A.
105 ergs
B.
103 ergs
C.
107 ergs
D.
1011 ergs


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Q. Scientist discovered a previously undetected feature of the human Anatomy that could be the largest organ of human body?
A.
Brass
B.
Pectora
C.
Interstitium
D.
Otic


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Q. Which of the following does not pollute the air?
A.
Nitrogen Dioxide
B.
Sulfur dioxide
C.
Carbon dioxide
D.
None


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Q. kilohertz (kHz) is a unit which measures?
A.
Power used by a current of one ampere
B.
Electromagnetic radio wave frequencies
C.
Voltage
D.
Electric resistance


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Q. The study of heavenly bodies is known as_________?
A.
Astrology
B.
Astronautics
C.
Astronomy
D.
Astrophysics


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Q. Jupiter has ________ known moons.
A.
79
B.
70
C.
60
D.
72


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Q. In 2013, Planck measured the age of the universe at ___________?
A.
13.82 billion years
B.
4.53 billion years
C.
4.6 billion years
D.
4.53 billion years


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Q. Human beings use _______ liters of pure oxygen per day.
A.
550
B.
2500
C.
1050
D.
10000


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Q. The yellow colour in photochemical smog is due to the presence of____________?
A.
Sulphur dioxide
B.
Carbon dioxide
C.
Nitrogen dioxide
D.
CFC’s


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Q. Why normal rain is slightly acidic?
A.
due to presence of dust in air
B.
carbon dioxide and water in clouds react to form carbonic acid
C.
Ozone depletion
D.
All of these


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