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 General Science Questions

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Q:

If water smells bad, then that odour can be removed by adding

A) alum B) bleach
C) activated carbon D) deactivated nitrogen
 
Answer & Explanation Answer: C) activated carbon

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Q:

Which of the following is the uppermost layer of the atmosphere?

A) Stratosphere B) Mesosphere
C) Ionosphere D) Exosphere
 
Answer & Explanation Answer: D) Exosphere

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Q:

Land covers about ______ of the earth's surface.

A) 20% B) 30%
C) 35% D) 40%
 
Answer & Explanation Answer: B) 30%

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Q:

The outer most layer of the Sun is known as--

A) Corona B) Photosphere
C) Chromosphere D) Granule
 
Answer & Explanation Answer: A) Corona

Explanation:

The corona is the outermost layer of the Sun, starting at about 1300 miles (2100 km) above the solar surface (the photosphere)

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Q:

The Ozone layer is present in which atmospheric layer?

A) Lithosphere B) Ionosphere
C) Stratosphere D) Biosphere
 
Answer & Explanation Answer: C) Stratosphere

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Q:

First human who got married in space is

A) Yuri Denver B) Yuri Johnson
C) Yuri Malenchenko D) David Malenchenk
 
Answer & Explanation Answer: C) Yuri Malenchenko

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Q:

__________ is the interaction in which one species benefits and the other is neither harmed nor benefited.

A) Predation B) Commensalism
C) Competition D) Parasitism
 
Answer & Explanation Answer: B) Commensalism

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Q:

When does the sun shine vertically on the Equator ?

A) Throughout the year B) For six months
C) Twice a year D) Once a year
 
Answer & Explanation Answer: C) Twice a year

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