General Science Questions

Q:

SMOG is a combination of

A) Air and water vapour B) Water and smoke
C) Fire and water D) Smoke and fog
 
Answer & Explanation Answer: D) Smoke and fog

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Q:

During the past century, the temperature of Earth has increased by ________.

A) 0.6 deg C B) 1.6 deg C
C) 2.6 deg C D) 3.6 deg C
 
Answer & Explanation Answer: A) 0.6 deg C

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Q:

Major portion of the earth's crust is mainly constituted by

A) Oxygen and Iron B) Oxygen and Silicon
C) Silicon and Iron D) Silicon and Aluminium
 
Answer & Explanation Answer: B) Oxygen and Silicon

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Q:

A fresh egg when placed in salt water will

A) sink and go to the bottom B) sink but will not go to the bottom
C) float D) burst
 
Answer & Explanation Answer: C) float

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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:

Ficus benghalensis is the scientific name of _______.

A) Banyan B) Pineapple
C) Babul D) Tulsi
 
Answer & Explanation Answer: A) Banyan

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Q:

In the biosphere living beings are inter-related and interdependent on each other for survival. This life supporting system is known as the __________.

A) Ecosystem B) Mountain range
C) Forest D) Atmosphere
 
Answer & Explanation Answer: A) Ecosystem

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Q:

The association of animals in which both the partners are benefitted is known as

A) Ammansalism B) Commensalism
C) Colony D) Mutualism
 
Answer & Explanation Answer: D) Mutualism

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