Biology Questions

Q:

Bacterial decomposition of biological material under anaerobic condition is

A) fermentation B) fertilization
C) contamination D) composting
 
Answer & Explanation Answer: A) fermentation

Explanation:
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Q:

Which is the largest gland in the human body?

A) Pituitary B) Liver
C) Pineal D) Adrenal
 
Answer & Explanation Answer: B) Liver

Explanation:
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Q:

Which Vitamins are those, if taken in excess can be dangerous as they are stored in the body?

A) B Complex B) E and C
C) B and C D) A and D
 
Answer & Explanation Answer: D) A and D

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Q:

Enzymes are important because they

A) maintain cell shape B) transfer genetic information
C) contain water D) speeds up chemical reactions
 
Answer & Explanation Answer: D) speeds up chemical reactions

Explanation:

Enzymes in the body are those which play an important role of breaking down the larger molecules to small and speeds up the chemical reactions.

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Q:

The temperature danger zone for food is

A) 5 - 63 deg B) above 45 deg
C) below 15 deg D) None of the above
 
Answer & Explanation Answer: A) 5 - 63 deg

Explanation:

The temperature danger zone for the food that cannot be stored for long time is between 5 degrees to 63 degrees centigrade.

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Q:

Intrapulmonary pressure is the

A) pressure within the alveoli of the lungs B) pressure within the pleural cavity
C) negative pressure in the intrapleural cavity D) None of the above
 
Answer & Explanation Answer: A) pressure within the alveoli of the lungs

Explanation:

Intrapulmonary pressure is the pressure within the alveoli of the lungs.

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Q:

Haemophilia is a hereditary disease carried by

A) females and expressed by males B) males and expressed by males
C) females and expressed by females D) males and expressed by females
 
Answer & Explanation Answer: A) females and expressed by males

Explanation:

Haemophilia is an inherited bleeding disorder where the blood doesn't clot properly. It is caused when blood does not have enough clotting factor.


The main treatment for hemophilia is called replacement therapy. Concentrates of clotting factor VIII (for hemophilia A) or clotting factor IX (for hemophilia B) are slowly dripped or injected into a vein. These infusions help replace the clotting factor that's missing or low.

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Q:

Webbed neck is a characteristic of

A) Down's syndrome B) Turner's syndrome
C) Klinefelter's syndrome D) Cri-du-chat syndrome
 
Answer & Explanation Answer: B) Turner's syndrome

Explanation:
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