Question 656:

• JAMB 1990

In which of the following does external fertilization takes place?

A. Toad
B. Lizard
C. Bird
D. Cockcroach

Question 657:

• JAMB 1990

In the tapeworm the suckers on the scolex are used for

A. Sucking the blood of the host
B. Holding fast to the host
C. Reproduction
D. Locomotion

Question 658:

• JAMB 1990

A feature which adapts birds to flight is the possession of

A. Scaly legs
B. Light bones
C. Two walking legs
D. A pointed beak

Question 659:

• JAMB 1990

The nephridia in the earthworm form part of the

A. Reproductive system
B. Respiratory system
C. Circulatory system
D. Excretory system

Question 660:

• JAMB 1990

which of the following disease is rarely spread by a housefly?

A. Yellow fever
B. Dysentry
C. Typhoid fever
D. Poliomyelitis