WAEC Biology Past Questions & Answers - Page 184

916.

Which of the following groups contains a non-supporting structure in animals?

A.

Cartilage, bone and pseudopodia

B.

Pellicle, chitin and bone

C.

Humerus, ribs and cartilage

D.

Femur, pellicle and chitin

Correct answer is A

No explanation has been provided for this answer.

917.

The advantages of sexual reproduction include the following except

A.

it allows the formation of new species

B.

it allows production of desirable traits

C.

it permits variation of individuals

D.

it provides means for the variation of chromosome number from generation to generation

Correct answer is D

No explanation has been provided for this answer.

918.

Display is a phenomenon which occurs when an animal is

A.

ready for mating

B.

fighting to defend itself

C.

approaching puberty

D.

chasing away an intruder

Correct answer is A

No explanation has been provided for this answer.

919.

The structure labelled II is called

A.

deltoid ridge

B.

trochanter

C.

shaft

D.

trochlea

Correct answer is C

No explanation has been provided for this answer.

920.

To form a ball and socket joint, the structure labeled I fits into another structure in the scapula called the

A.

blade

B.

glenoid cavity

C.

olecranon fossa

D.

patella

Correct answer is B

No explanation has been provided for this answer.