Biology Questions

Q:

The shape of the outer part of the ear is like a __________.

A) funnel B) plate
C) drum D) disc
 
Answer & Explanation Answer: A) funnel

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Q:

Which among the following have a perfect pair of sex chromosomes?

A) Only men B) Only women
C) Both men and women D) Neither men nor women
 
Answer & Explanation Answer: B) Only women

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Q:

The amount of blood filtered together by both the kidneys in a 70 kg adult male human in a minute is

A) 1100 ml B) 100 ml
C) 1500 ml D) 500 ml
 
Answer & Explanation Answer: A) 1100 ml

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Q:

Which of the following is not a plant hormone?

A) Gibberellic B) Auxins
C) Cytokinins D) Thyroxin
 
Answer & Explanation Answer: D) Thyroxin

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Q:

The smallest blood vessels which are one-cell thick, are called ______

A) vena cava B) arteries
C) veins D) capillaries
 
Answer & Explanation Answer: D) capillaries

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Q:

Which of the following forms a base pair with thymine?

A) Adenine B) Guanine 
C) Cytosine D) Thymine
 
Answer & Explanation Answer: A) Adenine

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Q:

Which permanent tissue makes a plant hard and stiff?

A) Parenchyma B) Aerenchyma
C) Collenchymas D) Sclerenchyma
 
Answer & Explanation Answer: D) Sclerenchyma

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Q:

Which of the following is secreted by the liver?

A) Glucose B) Iodine
C) Cortisol D) Bile
 
Answer & Explanation Answer: D) Bile

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