Waec Biology 1997 Past Questions and Answers

Question 31:

• WAEC 1997

The association between protozoa and termites is an example of

A. Symbiosis
B. Parasitism
C. Predation
D. Saprophytism
E. Epiphytism

Question 32:

• WAEC 1997

Flatworms are classified as

A. Platyhelminthes
B. Coelenlerata
C. Annelida
D. Nematoda
E. Arthropoda

Question 33:

• WAEC 1997

The essential parts of a flower are

A. Petals and sepals
B. Anther and filament
C. Stigma and style
D. Androecium and gynoecium
E. Petals and gynoecium

Question 34:

• WAEC 1997

Which of the following parts of the tooth is first damaged during dental decay?

A. Cement
B. Enamel
C. Dentine
D. Root
E. Gum

Question 35:

• WAEC 1997

The set- up above is used to demonstrate

A. Plasmolysis
B. Osmosis
C. Suction pressure
D. Fermentation
E. Diffusion