JAMB Biology Past Questions & Answers - Page 326

1,626.

What is the term used to describe the sum total of biotic and abiotic factors in the environment of the organism?

A.

Habitat

B.

Biome

C.

Ecosystem

D.

Ecological niche

Correct answer is C

No explanation has been provided for this answer.

1,627.

Carnivorous plants are usually found in areas

A.

that are deficient of nitrate

B.

that are deficient of oxygen

C.

with low pH

D.

where insects are abundant

Correct answer is A

No explanation has been provided for this answer.

1,628.

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.

1,629.

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.

1,630.

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.