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 General Science Questions

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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

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Q:

In stems, the protoxylem lies towards the centre and the metaxylem lies towards the periphery of the organ. This type of primary xylem is called _____________.

A) Xylem fibres B) Xylem parenchyma
C) Exarch D) Endarch
 
Answer & Explanation Answer: D) Endarch

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Q:

What are the main components of Bronze Alloy?

A) Copper and Zinc B) Copper and Tin
C) Zinc and Nickel D) Aluminium and Nickel
 
Answer & Explanation Answer: B) Copper and Tin

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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

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Q:

The wilting of plants takes place due to _____.

A) Photosynthesis B) Transpiration
C) Absorption D) Respiration
 
Answer & Explanation Answer: B) Transpiration

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Q:

The most abundant metal in the Earth's crust is

A) zinc B) copper
C) aluminium D) iron
 
Answer & Explanation Answer: C) aluminium

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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

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Q:

What is main root of plants called as?

A) Tap root B) Lateral roots
C) Fibrous roots D) Anchor
 
Answer & Explanation Answer: A) Tap root

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