Waec Biology 2000 Past Questions and Answers

Question 61:

• WAEC 2000

During blood transfusion, agglutination could be prevented if a patient having blood group O is given blood
from group

A. AB
B. A
C. O
D. B

Question 62:

• WAEC 2000

(a) What is a sense organ?
(b)(i) State two main functions of the ear
(ii) Explain the mechanism involved in one of the functions stated in (b) (i) above.
(c) With the aid of a large labelled diagram, illustrate the eye defect of short-sight and its correction.

Question 63:

• WAEC 2000

(a) State five different methods used in vegetative propagation in plants giving an example in each case.
State five (i) advantages and (ii) disadvantages of vegetative propagation.

Question 64:

• WAEC 2000

(a) List five classes of food other than carbohydrates.
(b) Explain why glucose is taken by an athlete ready for a race rather than corn meal.
(c) Describe the test for starch.

Question 65:

• WAEC 2000

(a) Name the four levels of organisation in living organisms.
(ii) Explain two of the levels of organisation named in (a)(i) above