WAEC Past Questions and Answers - Page 3844

19,216.

During sexual reproduction in Paramecium, how many times does the zygote divide to produce eight nuclei?

A.

1

B.

2

C.

3

D.

4

Correct answer is C

No explanation has been provided for this answer.

19,217.

Which of the following is an effector organ?

A.

Tongue

B.

Skin

C.

Nose bridge

D.

Ear glands

Correct answer is B

No explanation has been provided for this answer.

19,218.

Which of the following neurons may not have a myelin sheath?

A.

Effector cells

B.

Intermediate neurons

C.

Motor neurons

D.

Sensory neurons

Correct answer is A

No explanation has been provided for this answer.

19,219.

In which of the following economics system is the consumer referred to as ‘The King’?

A.

Planned economy

B.

Mixed economy

C.

Traditional economy

D.

Free Market economy

E.

Socialist economy

Correct answer is D

No explanation has been provided for this answer.

19,220.

Pore sweat is produced during muscular exercise because

A.

the contracting muscles produce water

B.

fermentation occurs in muscles

C.

the temperature of the body rises

D.

the muscle fatigues

Correct answer is C

No explanation has been provided for this answer.