Biology 2003 Waec Past Questions and Answers

Question 46 :

• WAEC 2003

(a) What is a cell?
(b) Describe the structure and state the function of each of the following:
(i) Nucleus
(ii) Mitochnodrion.
(c)(i) Make a labelled diagram 8 cm to 10 cm long of the Euglena.
(ii) List. three animal-like features and two plant-like features of Euglena.

Question 47 :

• WAEC 2003

(a) Name three main parts of the human brain
(b) State the functions of the following:
(i) Cerebrum
(ii) Hypothalamus
(iii) Medulla Oblongata.
(c)(i) List three organs of a higher plant that can respond to stimulus
(ii) What is tactic movement?
(d) Explain the following terms, giving one example in each case:
(I) Phototaxis
(ii) Hydrotaxis
(iii) Chemotaxis.