JAMB Biology Past Questions & Answers - Page 320

1,596.

The fleshy base of a flower to which the different floral parts are attached is known as

A.

calyx

B.

sepals

C.

Receptacle

D.

hypothalamus

Correct answer is C

No explanation has been provided for this answer.

1,597.

In animals, meiosis comes

A.

after fertilization

B.

after every mitotic division

C.

before fertilization

D.

before every mitotic division

Correct answer is D

No explanation has been provided for this answer.

1,598.

Which of the following waste products in plants is excreted through the stomata and lenticels?

A.

Carbondioxide

B.

Alkaloids

C.

Tannins

D.

Anthocyanins

Correct answer is A

Carbon dioxide is a waste product of aerobic respiration in plant cells.

1,599.

A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as

A.

open

B.

haemocoelic

C.

single

D.

closed

Correct answer is D

No explanation has been provided for this answer.

1,600.

The process by which a red blood cell placed in distilled water absorbs water until it burst and releases its contents into the surrounding is known as

A.

osmosis

B.

plasmolysis

C.

turgidity

D.

haemolysis

Correct answer is D

No explanation has been provided for this answer.