WAEC Biology Past Questions & Answers - Page 98

486.

Which of the following indicates the direction of the movement of a sperm introduced into the female reproductive system?

A.

III → II → I → IV

B.

VI → V → IV → I

C.

V → IV → I → III

D.

VI → IV → I → III

Correct answer is B

No explanation has been provided for this answer.

487.

In which of the labelled structures does implantation take place?

A.

I

B.

II

C.

 IV

D.

VI

Correct answer is C

No explanation has been provided for this answer.

488.

In which of the underlisted blood groupings is agglutination likely to occur during transfusion?

A.

I

B.

II

C.

III

D.

IV

E.

V

Correct answer is D

No explanation has been provided for this answer.

489.

Which gas will pass into the test tube labelled II from I?

A.

Carbon monoxide

B.

Carbon dioxide

C.

Oxygen

D.

Ammonia

E.

Nitrogen

Correct answer is B

No explanation has been provided for this answer.

490.

What will be the colour of the solution in the test tube labelled II at the end of the experiment?

A.

Pink

B.

Yellow

C.

Milky

D.

Reddish white

E.

Blue-black

Correct answer is C

No explanation has been provided for this answer.