WAEC Biology Past Questions & Answers - Page 229

1,141.

Which of the following occurrences is not a feature of meiosis?

A.

Formation of four haploid cells

B.

Two successive nuclear cell divisions

C.

Pairing of homologous chromosomes at prophase

D.

Formation of two diploid cells

Correct answer is D

No explanation has been provided for this answer.

1,142.

All the available places on earth which support life constitute the

A.

lithosphere

B.

atmosphere

C.

biosphere

D.

hydrosphere

Correct answer is C

No explanation has been provided for this answer.

1,143.

Mammals require a relatively high amount of carbohydrates because 

A.

they maintain the weight of the body

B.

they are required for growth

C.

they initiate enzyme production

D.

they yield energy for activities

Correct answer is D

No explanation has been provided for this answer.

1,144.

What does the chemical composition of the genetic material of all living organisms consist of?

A.

Deoxyribonucleic acid

B.

Adenosine diphosphate

C.

Adenosine triphosphate

D.

follicle stimulating hormone

Correct answer is A

No explanation has been provided for this answer.

1,145.

The effective cells involved in sickle-cell anaemia disease are

A.

phagocytes

B.

lymphocytes

C.

erythrocytes

D.

thrombocytes

Correct answer is C

No explanation has been provided for this answer.