JAMB Biology Past Questions & Answers - Page 325

1,621.

What would happen to a man whose pancreas has been surgically removed?

A.

The level of blood sugar would increase

B.

The glycogen content of the liver would increase

C.

His blood pressure would decrease

D.

His weight would increase appreciably

Correct answer is A

No explanation has been provided for this answer.

1,622.

What path does sound entering the human ear follow?

A.

Oval window → ossicle → ear drum

B.

Ear drum → oval window → ossicle

C.

Ear drum → ossicle → oval window

D.

Ossicle → ear drum → oval window

Correct answer is C

No explanation has been provided for this answer.

1,623.

When it is cold, the blood vessels of the skin

A.

dilates to increase the amount of blood flowing

B.

constrict to reduced the amount of blood flowing to the skin

C.

dilate to reduce the amount of blood flowing to the skin

D.

constrict to increase the amount of blood flowing to the skin

Correct answer is B

No explanation has been provided for this answer.

1,624.

In the mammal, the autonomic nervous system consists of

A.

sympathetic and parasympathetic system

B.

brain and spinal nerves

C.

brain and cranial nerves

D.

spinal cord and spinal nerves

Correct answer is A

No explanation has been provided for this answer.

1,625.

The main function of the petal of a flower is to

A.

attract pollination agents

B.

protect the flower while still in bud

C.

serve as landing stage for insects

D.

protect the inner paisr from desiccation

Correct answer is A

No explanation has been provided for this answer.