Quiz on Science Set 137

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Quiz on Science Set 137 :

Question 1 : 

Stars appears to move from east to west because
A. The background of the stars moves from west to east
B. All stars move from east to west
C. The earth rotates from east to west
D. The earth rotates from west to east

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Correct Ans: Option D

Question 2 : 

The theory of inheritance of acquired character was propounded by
A. Gregor Mendel
B. Weismann
C. J.B. Lamarck
D. Charles Darwin

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Correct Ans: Option C

Question 3 : 

When an iron nail gets rusted, iron oxide is formed
A. Without any change in colour or weight of the nail
B. Without any change in the weight of the nail
C. With increase in the weight of the nail
D. With decrease in the weight of the nail

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Correct Ans: Option C

Question 4 : 

The telescope is used for viewing
A. Near objects
B. Small objects
C. Distant objects
D. Living cells

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Correct Ans: Option C

Question 5 : 

How much noise is produced when man breathes?
A. 0.5 Decimal
B. 0.1 Decimal
C. 35 Decimal
D. 10 Decimal

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Correct Ans: Option D

Question 6 : 

The blue colour of the water in the sea is due to
A. Refraction of the blue light by the impurities in sea water
B. Absorption of other colours except the blue colour by water molecules
C. Scattering of blue light by water molecules
D. Reflection of blue sky by the sea water

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Correct Ans: Option D

Question 7 : 

Velocity of wind is measured by
A. Audiometer
B. Anemometer
C. Tachometer
D. Speedometer

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Correct Ans: Option B

Question 8 : 

It is essential that transformer oil should have no traces of moisture. The reason is that
A. Density of oil increases with reduces heat dissipation
B. Moisture will reduce the lubricating property of the oil
C. Moisture will develop rust
D. Moisture will reduce the dielectric strength of the oil and hence insulation is weakened

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Correct Ans: Option D

Question 9 : 

What are the numbers of moles of CO₂ which contains 16 g of oxygen?
A. 0.5 mole
B. 0.2 mole
C. 0.25 mole
D. 0.4 mole

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Correct Ans: Option A

Question 10 : 

On a night when the sky is clear, the temperature may dip considerably; on a cloudy night the temperature will usually dip much less. The reason for this difference is that
A. Current of air carries the heat away from the earth on a clear night
B. The clear sky allows radiant energy to escape readily from the earth
C. The clear sky allows the cold of outer space to reach the earth
D. On a cloudy night the clouds are warm and therefore retard the cooling

View Answer
Correct Ans: Option B

Quiz Summary

Here the correct answers of every question in this quiz.

Q.1 [D],     Q.2 [C],     Q.3 [C],     Q.4 [C],     Q.5 [D],     Q.6 [D],     Q.7 [B],     Q.8 [D],     Q.9 [A],     Q.10 [B],    


Total Questions: 10
Your score:
Subject: Science
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