Biology 1992 Waec Past Questions and Answers

Question 26 :

• WAEC 1992

Sea water taken in by a living organism can berecycled into the atmosphere through all the following processes except

A. Sewage
B. Industrial wastes
C. Fertilizers
D. Crude oil

Question 27 :

• WAEC 1992

Which of the following is not an adaptation of plants or animals to desert environment?

A. Well developed tap root system
B. Small leaves with thick epidermis
C. Stems with spike-like leaves
D. Metabolic waste in the form of uric acid in some animals
E. Broad leaves for storage

Question 28 :

• WAEC 1992

Which of the following is not an adaptation of plants or animals to desert environment?

A. Well developed tap root system
B. Small leaves with thick epidermis
C. Stems with spike-like leaves
D. Metabolic waste in the form of uric acid in some animals
E. Broad leaves for storage

Question 29 :

• WAEC 1992

A climax community is characterised by

A. A stable composition of plant and animal species
B. Rapid changes in the composition of species
C. Constant changes in appearance of the habitat
D. Different species occurring at different times
E. Gradual change in animal population

Question 30 :

• WAEC 1992

Which of the following is not a characteristic of overcrowding in plant and animal community?

A. Population outstripping available space
B. Population exceeding available food
C. Competition within the population
D. Increase in primary production
E. Population increasing at the same rate as the bith rate