Biology Questions

Q:

Lichen is an association between which of the two ?

A) Algae and fungus B) Algae and tree
C) Fungus and tree D) Bacteria and legume plant
 
Answer & Explanation Answer: A) Algae and fungus

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Q:

Which component in tobacco makes it harmful for human consumption?

A) Morphine B) Nicotine
C) Heroin D) None of these
 
Answer & Explanation Answer: B) Nicotine

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Q:

Which Vitamin is obtained from Sun rays?

A) Vitamin A B) Vitamin C
C) Vitamin K D) Vitamin D
 
Answer & Explanation Answer: D) Vitamin D

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Q:

The specificity of an antibody is due to

A) the variable portions of the H and L chains B) the L chains
C) its valence D) the H chains
 
Answer & Explanation Answer: A) the variable portions of the H and L chains

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Q:

Which cells in pancreas produce Insulin ?

A) Thymus B) Estrogen
C) Corpus epididymis D) Islets of Langerhans
 
Answer & Explanation Answer: D) Islets of Langerhans

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Q:

In each testes in a male reproductive system, there are ________ compartments called testicular lobules.

A) 150 B) 200
C) 250 D) 300
 
Answer & Explanation Answer: C) 250

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Q:

Which of the following increases the rate of heart beat?

A) Peripheral nerves B) Sympathetic nerves
C) Parasympathetic nerves D) Cranial nerves
 
Answer & Explanation Answer: B) Sympathetic nerves

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Q:

Which one of the following forms the base of vegetable fibres?

A) Cellulose B) Proteins
C) Fats D) Oils
 
Answer & Explanation Answer: A) Cellulose

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