Waec Biology 1997 Past Questions and Answers

Question 61:

• WAEC 1997

(a) Describe an experiment to compare the water-holding capacity of sandy, loamy and clayey soils.
(b) List three factors that may affect the water-holding capacity of soils.
(c) (i) State the characteristics of sandy and loamy soils.
(ii) What type of vegetation does each support?

Question 62:

• WAEC 1997

(a) Explain the following terms:
(i) first aid
(ii) artificial respiration
(iii) dislocation
(iv) haemorrhage
(b) (i) State three objectives of first aid.
(ii) Explain the procedure for administering the mouth-to-mouth method of artificial respiration.
(c) (i) State three signs of dislocation.
(ii) Name two ways of stopping bleeding from an open wound.

Question 63:

• WAEC 1997

(a) Make a labelled diagram of the female reproductive organ of a
(i) flowering plan
(ii) mammal (man) .
(b) State the functions of any two of the labelled parts in (a) (i) and (ii).
(c) Compare reproduction in mammals, amphibians and birds with respect to
(i) number of eggs produced
(ii) method of fertilization
(iii) parental care.