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 General Science Questions

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Q:

Using which of the following processes can one separate a solute from its solution?

A) Sedimentation B) Evaporation
C) Filtration D) Condensation
 
Answer & Explanation Answer: B) Evaporation

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Q:

Which of the following is Study of fossils ?

A) Ethology B) Etiology
C) Anthropology D) Palaeontology
 
Answer & Explanation Answer: D) Palaeontology

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Q:

Ozone hole is caused by chemicals like _____.

A) Nitrogen Oxide B) Hydrogen Sulphide
C) Chloro Fluoro Carbon D) Carbon Monoxide
 
Answer & Explanation Answer: C) Chloro Fluoro Carbon

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Q:

'Ooceraea joshii', is an Ant species recently discovered in which state?

A) Telangana B) Kerala
C) Andhra Pradesh D) Karnataka
 
Answer & Explanation Answer: B) Kerala

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Q:

Which of the following is biodegradable?

A) Cattle dung B) Aluminium cans
C) Plastics D) D.D.T
 
Answer & Explanation Answer: A) Cattle dung

Explanation:

Any substance that does not cause pollution and is capable of getting decomposed by any living organism is called as Bio degradable. Human & animal excreta, plant wastes etc... come under bio-degradable.

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Q:

_________ is any attribute of the organism (morphological, physiological, behavioural) that enables the organism to survive and reproduce in its habitat.

A) Adaptation B) Migration
C) Conformation D) Regulation
 
Answer & Explanation Answer: A) Adaptation

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Q:

Green House Effect' means

A) Pollution in houses in tropical region B) Prevention of ultra­violet radiation by the ozone layer
C) Trapping of solar energy due to atmospheric gases D) Damage to green painted buildings
 
Answer & Explanation Answer: C) Trapping of solar energy due to atmospheric gases

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Q:

According to the distance of planets from the Sun, which of the following order is correct?

A) Mercury, Venus, Earth, Mars B) Mercury, Earth, Mars, Venus
C) Mercury, Mars, Earth, Venus D) Mercury, Mars, Venus, Earth
 
Answer & Explanation Answer: A) Mercury, Venus, Earth, Mars

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