Disolved oxygen (DO) in water should be?

A: 4000 to 8000 ppm

B: 400 to 800 ppm

C: 0.4 to 0.5 ppm

D:  4 to 5 ppm

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 4 to 5 ppm

What causes mumps?

A: Bacterium

B: Fungus

C: Deficiency of vitamins

D: Virus

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Virus

Air contains volume of carbon dioxide approximately?

A: 33%

B: 3%

C: 0.30%

D: 0.03%

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0.03%

Who discovered the Gamma Rays?

A: Paul Villard

B: Alfred Marshall

C: Bohar

D: Jabar bin Hayan

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Paul Villard

The Sun is at an average distance of about___ million kilometers away from Earth?

A: 150 million

B: 100 million

C: 200 million

D: 250 million

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150 million

Which woody raw material is used for the manufacture of paper pulp?

A: Poplar

B: Cotton

C: Bagasse

D: Rice straw

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Poplar

Which of the following planets have the longest day?

A: Mercury

B: Jupiter

C: Earth

D: Venus

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Venus

This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star.

A: Stellar Genesis

B: Alpha Stage

C: Protostar

D: Star of Adam

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Protostar

Disease which transferred from animal to Human is____?

A: Epidemic

B: Sporadic

C: Endemic

D: Zoonosis

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Zoonosis

Who proposed this concept “All motion is relative”?

A: John Kepler

B: Albert Einstein

C: Galileo Galilie

D: None

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Albert Einstein

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