Waec Biology Past Questions and Answers

Question 551:

• WAEC 1998

Which of the following organisms will be a colonizing species of a heap of moist sub soil?

A. Green algae
B. Ferns
C. White mangrove
D. Snails
E. Tadpole

Question 552:

• WAEC 1998

The earthworm is important because

A. Its body is always moist
B. Each of its segments has chaetae
C. It has a clitellum
D. It aerates the soil
E. It reproduces fast

Question 553:

• WAEC 1998

which of the following plant parts is not a storage organ?

A. Carrot root
B. Sugarcane stem
C. Onion leaf
D. Banana stem
E. Cassava root

Question 554:

• WAEC 1998

Which of the following statements about poliomyelitis is not correct. It

A. Is a bacterial disease
B. Is capable of paralysing the limbs
C. Can be prevented by immunization
D. Is an infant disease
E. May cause wasting of the limb muscles

Question 555:

• WAEC 1998

Oil is sprayed over stagnant water in which mosquitoes breed in order to

A. Provide landing surface for the adult
B. Prevent larva or pupa from attaching itself to the surface
C. Prevent the water from overheating
D. Lubricate the larva for easy movement
E. Provide surface for laying their eggs