Waec Biology 1988 Past Questions and Answers

Question 51:

• WAEC 1988

Which of the following is not true about gene mutation? It

A. Introduces new traits into a population
B. Causes changes in the DNA
C. May have unnoticeable effect on the phenotype
D. Always affects the chromosome number
E. Is a source of new genes

Question 52:

• WAEC 1988

The plants best adapted for life in the desert are

A. I and IV only
B. II and IV only
C. Ill and IV only
D. LV and V only
E. I Il Ill and V

Question 53:

• WAEC 1988

The rate of transportation will be highest In

A. I
B. II
C. III
D. IV
E. V

Question 54:

• WAEC 1988

Which of the following has the most primitive respiratory system?

A. Rat
B. Fish
C. Toad
D. Grasshopper
E. Lizard

Question 55:

• WAEC 1988

(i) Make a labelled drawing of a typical plant cell to show its essential features.
(ii) Give the functions of two labelled organelles
(b) Describe briefly two levels of cell organization in living organisms giving an example of each type.
(c) What role do the following processes play in the activities of a living cell (i) osmosis; (ii) diffusion.