General Science Questions

Q:

A solar cell is made up of:

A) Carbon B) Gallium
C) Silicon D) Teflon
 
Answer & Explanation Answer: C) Silicon

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Q:

How much time does a Geostationary satellite take to complete one orbit, at the height of 35790 km?

A) 30 days B) 24 hours
C) 365 days D) 12 hours
 
Answer & Explanation Answer: B) 24 hours

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Q:

Evidence suggests that life on Earth has existed for about_________________.

A) 3.5 million years B) 35 million years
C) 3.5 billion years D) 35 billion years
 
Answer & Explanation Answer: C) 3.5 billion years

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Q:

Photosynthesis in plants takes place in

A) Stem B) Leaves
C) Roots D) Flower
 
Answer & Explanation Answer: B) Leaves

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Q:

A hard coal containing little volatile matter is called ______.

A) Loess B) Anthracite
C) Atoll D) Lava
 
Answer & Explanation Answer: B) Anthracite

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Q:

Name the catalyst used in the conversion of milk into curd.

A) Pepsin B) Invertase
C) Lactase D) Diastase
 
Answer & Explanation Answer: C) Lactase

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Q:

Which of the following pair/pairs is/are INCORRECT?
I. Golden revolution - Fruits production
II. Blue revolution - Increasing production of fertilizers
III. Yellow revolution - For the production of eggs

A) Only I B) Only II
C) Both I and II D) Both II and III
 
Answer & Explanation Answer: D) Both II and III

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Q:

A tropical deciduous plant special to the Deccan plateau is

A) Teak B) Shisam
C) Sandalwood D) Sal
 
Answer & Explanation Answer: C) Sandalwood

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