Biology - Questions and Answers, General Study (GK)

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621.

The total fertility rate refers to

(a)Total number of persons in a family

(b)Magnitude of family size

(c)The number of live births in a family

(d)Total number of children a woman has borne

Comment

Answer is: D

622.

The largest part of most diets is made up of

(a)Proteins

(b)Carbohydrates

(c)Lipids

(d)Nucleic acid

Comment

Answer is: B

623.

The phosphagen that provides an immediate source of energy for vertebrate muscular contraction is

(a)Creatine phosphate (CP)

(b)Arginine phosphate (AP)

(c)Adenosine triphosphate (ATP)

(d)Uridine diphosphoglucose (UDPG)

Comment

Answer is: A

624.

Enzymes involved in chemical reactions

(a)Decompose during reactions

(b)Are not used up during reactions

(c)React more rapidly as reactions progress

(d)Are used up during reactions

Comment

Answer is: B

625.

The colour of cow's milk is slightly yellowish due to the presence of

(a)Xanthophyll

(b)Riboflavin

(c)Ribulose

(d)Beta-carotene

Comment

Answer is: D

626.

Ln calves that consume large quantities of milk,the curdling of milk takes place due to
A).

(a)The high acid content of gastric juice

(b)The action of rennin

(c)The action of pepsin

(d)A large variety of useful bacteria

Comment

Answer is: B

627.

Which of the following is most important for the growth of children up to the age of 14 ?

(a)Milk

(b)Fat

(c)Protein

(d)Vitamins

Comment

Answer is: C

628.

Roughage a necessary constituent of diet, consists largely of indigestible

(a)Carbohydrates (cellulose and lignin) and unsaturated fatty acids

(b)Carbohydrates such as cellulose and lignin

(c)Carbohydrates (cellulose and lignin) and semi-cooked meat

(d)All of these

Comment

Answer is: B

629.

As sugar is constantly being removed from the blood by body cells to replace what is used up in respiration, more sugar is supplied by the

(a)Ingestion of carbohydrates

(b)Quick enzymatic hydrolysis of carbohydrates

(c)Direct active transport of sugar by intestinal epithelium into blood

(d)Liver while converting its stored glycogen into sugar and releasing it into blood

Comment

Answer is: D

630.

In termites, the cellulose of wood is digested by

(a)Protozoans

(b)Protozoans and bacteria

(c)Cellulose breaking enzyme amylase

(d)Bacteria

Comment

Answer is: A

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Biology - Questions and AnswersPage 63

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