JAMB Biology Past Questions & Answers - Page 305

1,521.

The term caryopsis is used to describe a fruit in which the

A.

testa and pericarp are separate

B.

seed and endocarp are fused

C.

testa and pericarp are fused

D.

seed coat and fruit wall are impermeable

Correct answer is C

No explanation has been provided for this answer.

1,522.

When a healthy shoot of a flowering plant is illuminated from one side, auxins accumulate on the

A.

non-illuminated side of the shoot

B.

illuminated side of the shoot

C.

upper side of the shoot

D.

lower side of the shoot

Correct answer is A

No explanation has been provided for this answer.

1,523.

During the bending of the arm, the biceps muscles

A.

contracts and the triceps muscles relaxes

B.

relaxes and the triceps muscles contracts

C.

and the triceps muscles contract

D.

and the triceps muscles relax

Correct answer is A

No explanation has been provided for this answer.

1,524.

During respiration, air circulates round plant tissues via the

A.

lenticels

B.

stomata

C.

guard cells

D.

intercellular spaces

Correct answer is D

No explanation has been provided for this answer.

1,525.

The end product of glycolysis in plants and animals is

A.

pyruvic acid

B.

citric acid

C.

aspartic acid

D.

malic acid

Correct answer is A

No explanation has been provided for this answer.