Biology Questions

Q:

13 - Chambered heart occurs in

A) Leech B) Earthworm
C) Snail D) Cockroach
 
Answer & Explanation Answer: D) Cockroach

Explanation:
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Q:

The hormone that helps in Parthenocarpy

A) Abscisic acid B) Gibberellin
C) Ethylene D) Cytokinin
 
Answer & Explanation Answer: B) Gibberellin

Explanation:
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Q:

Who is known as father of Zoology

A) Darwin B) Aristotle
C) Lamark D) Theophrastus
 
Answer & Explanation Answer: B) Aristotle

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Q:

Name the blood cells in which nucleus is absent

A) Lymphocytes B) Blood Platelets
C) Monocytes D) Eosinophils
 
Answer & Explanation Answer: B) Blood Platelets

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Q:

The phenomenon of summer sleep by animals is called

A) hibernation B) aestivation
C) laziness D) lethargy
 
Answer & Explanation Answer: B) aestivation

Explanation:

Aestivation is summer sleep. Many organisms like the snails do not find it comfortable in summer. They withdraw and lead a life with reduced BMR (basic Metabolic Rate) in a state of  dormancy.

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