WAEC Biology Past Questions & Answers - Page 345

1,721.

Which of the following is not a function of the blood?

A.

Maintenance of body temperature

B.

Formation of clot

C.

Distribution of bile

D.

Transportation of excretory materials.

E.

Distribution of hormones

Correct answer is C

No explanation has been provided for this answer.

1,722.

Which of the following is a method of artificial vegetative propagation? 

A.

Creeping stem

B.

Layering

C.

Corm

D.

Rhizome

E.

Bulbil

Correct answer is B

No explanation has been provided for this answer.

1,723.

Which of the following can be used for vegetative propagation?

A.

Ginger stem

B.

Yam leaf

C.

Plantain roots

D.

Sweet potato tuber

E.

Carrot root

Correct answer is A

No explanation has been provided for this answer.

1,724.

Which of the following is a difference between mitosis and meiosis?

A.

Alignment of chromosomes along the equitorial plane

B.

Replication of the chromosomes and the cell organelles

C.

Pairing of homologous chromosomes

D.

Formation of spindle fibers

E.

Thickening of chromatin threads at prophase

Correct answer is C

No explanation has been provided for this answer.

1,725.

One major difference between osmosis and diffusion is that diffusion

A.

does not need a semipermeable membrane

B.

does not take place in living tissues

C.

takes place only in a liquid medium

D.

takes place only in a gaseous medium

E.

cannot be demonstrated experimentally

Correct answer is A

No explanation has been provided for this answer.