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 General Science Questions

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Q:

Which is used as an Air pollution indicator?

A) Algae B) Fungi
C) Bacteria D) Lichens
 
Answer & Explanation Answer: D) Lichens

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Q:

Saturn is the _______ planet from the Sun.

A) 2nd B) 4th
C) 6th D) 8th
 
Answer & Explanation Answer: C) 6th

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Q:

If water smells bad, then that odour can be removed by adding

A) alum B) bleach
C) activated carbon D) deactivated nitrogen
 
Answer & Explanation Answer: C) activated carbon

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Q:

The ozone layer protects us from harmful _______________ rays of the sun.

A) infrared B) cosmic
C) gamma D) ultraviolet
 
Answer & Explanation Answer: D) ultraviolet

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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:

Thermal electricity is generated by using which of these ?

A) Coal only B) Coal and Natural Gas only
C) Coal, Natural Gas and Petroleum D) None of these
 
Answer & Explanation Answer: C) Coal, Natural Gas and Petroleum

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Q:

What is the process of waste water treatment is commonly known?

A) Waste water management B) Cleaning of water
C) Sewage treatment D) Decontamination
 
Answer & Explanation Answer: C) Sewage treatment

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Q:

In bio fortification technique plant breeders use breeding to overcome

A) Loss due to insect pests B) Decrease in food production
C) Deficiencies of micronutrients and vitamins D) Loss due to plant diseases
 
Answer & Explanation Answer: C) Deficiencies of micronutrients and vitamins

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