Myopia is a disease connected with____?

A: Eyes

B: Ears

C: Lungs

D: Brain

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Eyes

In Space, our Body__?

A: Loses Weight

B: Gains Weight

C: No Change

D: Little Change

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Loses Weight

Which of the following metal occurs in free state ____?

A: Iron

B: Lead

C: Mercury

D: Copper

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Lead

Units of electricity consumed by 2500 watt air-conditioner in one hour are____?

A: 2.25 units

B: 25 units

C: 2.5 units

D: 0.25 units

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2.5 units

The phases of the moon are partially the result of the_______?

A:  Revolution of the moon around the earth

B:  Changes in the shape of the moon

C: Variations in the moon's gravitation

D:  Variations in the speed of rotation of the moon

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Revolution of the moon around the earth

The Sun produces most of its energy by________?

A: nuclear fission

B: Nuclear fusion

C: Burning hydrogen

D: None of these

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Nuclear fusion

Hailey’s comet is visible after every____?

A: 76 years

B: 84 years

C: 1000 years

D: 365 years

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76 years

How long does it take for the moon to orbit the earth once?

A: 27.3 days

B: 26.3 days

C: 28.3 days

D: 30.3 days

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27.3 days

The lens used in a simple microscope is_______?

A:  Convex 

B:  Concave

C:  Cylindrical

D:  None

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 Convex

Bronze medal is made up of metals ?

A: copper, tin

B: copper,nickel

C: copper, silver

D: copper, zinc

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copper, tin

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