JAMB Biology Past Questions & Answers - Page 142

706.

Plant growth can be artificially stimulated by the addition of

A.

gibberellin

B.

kinin

C.

abscisic acid

D.

ethylene

Correct answer is A

No explanation has been provided for this answer.

707.

An example of a fruit that develops from a single carpel is

A.

okro

B.

tomato

C.

bean

D.

orange

Correct answer is C

No explanation has been provided for this answer.

708.

Which of the following is involved in secondary thickening in plants?

A.

Collenchyma and xylem cells

B.

Vascular cambium

C.

Cork cambium and sclerenchyma

D.

Vascular cambium and cork cambium

Correct answer is D

No explanation has been provided for this answer.

709.

In the kidney of mammals, the site of ultrafiltration is the

A.

uriniferous tubule

B.

Bowman's capsule

C.

loop of Henle

D.

renal tubule

Correct answer is B

No explanation has been provided for this answer.

710.

Which of the following is a polysaccharide?

A.

Glucose

B.

Sucrose

C.

Maltose

D.

Cellulose

Correct answer is D

No explanation has been provided for this answer.