General Science Questions

Q:

Salination of soil is caused by

A) Pesticides B) soil erosion
C) excess irrigation D) crop rotation
 
Answer & Explanation Answer: C) excess irrigation

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Q:

Which is the largest organ in human beings?

A) Skin B) Large Intestine
C) Small Intestine D) Liver
 
Answer & Explanation Answer: A) Skin

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Q:

A level of atmosphere which is composed partly of electrons and positive ions is called

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

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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:

Ilmenite is an ore/mineral of _________.

A) Titanium B) Copper
C) Lead D) Manganese
 
Answer & Explanation Answer: A) Titanium

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Q:

The outermost layer of the earth's atmosphere is _______.

A) stratosphere B) troposphere
C) mesosphere D) exosphere
 
Answer & Explanation Answer: D) exosphere

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Q:

Which of the following planet is also known as 'Earth's twin'?

A) Mercury B) Venus
C) Jupiter D) Saturn
 
Answer & Explanation Answer: B) Venus

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Q:

The warm and cold ocean currents are caused by

A) Prevailing winds B) Earth's rotation
C) Variations in density of sea water D) All of these
 
Answer & Explanation Answer: D) All of these

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