WAEC Past Questions and Answers - Page 3850

19,246.

An example of a saprophytic relationship is a / an

A.

vulture feeding on decaying meat

B.

mushroom growing on decaying vegetation

C.

boy eating stale bread

D.

earthworm feeding on decaying vegetation

Correct answer is B

No explanation has been provided for this answer.

19,247.

Which of the following statements about heredity is not true? In heredity the traits are

A.

carried by genes

B.

contained in the ovum and sperm

C.

always transmitted by one parent

D.

transmitted from parents to offspring

Correct answer is C

No explanation has been provided for this answer.

19,249.

A person with blood group O can be given blood from persons who have blood belonging to

A.

group O only

B.

group A only

C.

groups A and O

D.

groups A, B, and O

Correct answer is A

No explanation has been provided for this answer.

19,250.

Fingerprints are useful in crime detection because

A.

the police have sophisticated fingerprint machines

B.

thieves may leave their prints at the scene of a crime

C.

no two people have the same fingerprint

D.

fingerprints are easy to make

Correct answer is C

No explanation has been provided for this answer.