Biology Questions

Q:

What cells line the ventricles of the brain?

A) Schwann's cells B) Ependymal cells
C) Nerve cells D) Neuroglia
 
Answer & Explanation Answer: B) Ependymal cells

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Q:

Breaking down of fats from large globules to smaller globules by Bile juice is similar to which of the following?

A) Emulsification of soaps B) Esterification of alcohol
C) Fermentation of glucose D) Eutrophication of water
 
Answer & Explanation Answer: A) Emulsification of soaps

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Q:

Animals belonging to phylum _____________ are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits.

A) Annelida B) Chordata
C) Arthropoda D) Platyhelminthes
 
Answer & Explanation Answer: B) Chordata

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Q:

___________ is a straw coloured, viscous fluid constituting nearly 55 per cent of the blood.

A) Plasma B) Formed Elements
C) Blood Groups D) Coagulation of Blood
 
Answer & Explanation Answer: A) Plasma

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Q:

Which of the following bears flowers?

A) Bryophyta B) Pteridophyta
C) Gymnosperms D) Angiosperms
 
Answer & Explanation Answer: D) Angiosperms

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Q:

What genes are mutated to cause cancer?

A) TNF B) TP53
C) TGFBI D) MTHFR
 
Answer & Explanation Answer: B) TP53

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Q:

___________ is a typically one­celled, reproductive unit capable of giving rise to a new individual without sexual fusion.

A) Egg B) Spore
C) Sperm D) Seed
 
Answer & Explanation Answer: B) Spore

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Q:

What is the function of guard cells of stomata?

A) Opening of stomata only B) Closing of stomata only
C) Both opening and closing of stomata D) Neither opening nor closing of stomata
 
Answer & Explanation Answer: C) Both opening and closing of stomata

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