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 General Science Questions

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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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Filed Under: General Science
Exam Prep: Bank Exams

2 1895
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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3 1894
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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3 1894
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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2 1894
Q:

Which one of the following gases is released mostly from landfills in urban areas?

A) Nitrogen B) Hydrogen
C) Methane D) Oxygen
 
Answer & Explanation Answer: C) Methane

Explanation:

Decomposing waste in the landfills, by the action of microorganisms, produce methane and carbon dioxide. Landfill gas consists of 40-60% of methane and rest is carbon dioxide. Trace amount of volatile organic compounds (<1) are also present which mainly comprise of hydrocarbons.

 

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3 1894
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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0 1892
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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2 1885
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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1 1882