Biology 1992 Waec Past Questions and Answers

Question 21 :

• WAEC 1992

Which of the following best describes a marine habitat?

A. Large body of water
B. Which has no distinctive color or taste
C. With high concentration of salt
D. With little suspended materials
E. With no water weed

Question 22 :

• WAEC 1992

The following are features of the tropical rain forest except

A. Abundant water supply
B. Loose and moist soil
C. Short trees growing benealth tall trees
D. Scanty trees with small leaves
E. Presence of many animals

Question 23 :

• WAEC 1992

The following are features of Northern Guinea Savanna except

A. Presence of tall trees with thick bark
B. Bare soil with very few trees
C. Presence of fire-resistant trees
D. Abundant herbivores
E. Predominance of woody trees

Question 24 :

• WAEC 1992

Which of the following explains the term pyramid of numbers?

A. The number of organisms in a trophic level
B. The relationship between plants in different trophic levels
C. The number of saprophytes and parasites in a habitat
D. The number of predators in a habitat
E. Progressive decrease in the number of individuals from lower to higher trophic level

Question 25 :

• WAEC 1992

In which of the following processes is carbondioxide not given out?

A. Respiration in plants
B. Decay of organism
C. Burning of organic matter
D. Burning of fuels
E. During photosynthesis