1101+ Detailed General Science Questions and Answers MCQ

Q:

The process of pollination by birds is also known as

A) Hydrophily	B) Entomophily
C) Embryophily	D) Ornithophily

Answer & Explanation Answer: D) Ornithophily

Explanation:

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Q:

The innermost layer is the core with a radius of about ___________ km.

A) 500	B) 6500
C) 9500	D) 3500

Answer & Explanation Answer: D) 3500

Explanation:

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Q:

Helium is added to the oxygen supply of deep sea divers because it is _________

A) less poisonous than nitrogen	B) Lighter than nitrogen
C) Readily miscible with oxygen	D) less soluble in blood than nitrogen at high pressure

Answer & Explanation Answer: D) less soluble in blood than nitrogen at high pressure

Explanation:

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Q:

Limonitic ore is the ore of which metal?

A) Iron	B) Aluminium
C) Zinc	D) Cobalt

Answer & Explanation Answer: A) Iron

Explanation:

Limonite is one of the two principal iron ores, the other being hematite, and has been mined for the production of iron.

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Q:

Sullage water is_______

A) Waste water released from kitchen	B) waste water released from toilets
C) waste water released from factories	D) waste water released from hospitals

Answer & Explanation Answer: A) Waste water released from kitchen

Explanation:

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Q:

A bomb explodes on the moon. You will hear its sound on earth after _________

A) 20 minutes	B) 2 hrs 20 minutes
C) 3.7 hours	D) You cannot hear the sound of explosion

Answer & Explanation Answer: D) You cannot hear the sound of explosion

Explanation:

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Q:

Who coined the term "Ecology"?

A) Ernst Haeckel	B) G. Evelyn Hutchinson
C) Hugo de Vries	D) Robert Brown

Answer & Explanation Answer: A) Ernst Haeckel

Explanation:

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Q:

Which of the following is a Saprotroph?

A) Mushroom	B) Man
C) Pigeon	D) Algae

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