Waec Biology Past Questions and Answers

Question 491:

• WAEC 1997

In which of the underlisted blood groupings is agglutination likely to occur during transfusion?

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

Question 492:

• WAEC 1997

Which of the following is not a morphological variation

A. Shape of nose
B. Colour of skin
C. Colour of eyes
D. Ear lobe
E. Tongue rolling

Question 493:

• WAEC 1997

In man haemophilia is recessive and sex linked, The
probability of carrier mother and a normal father having a haemophilic male is

A. 1/4
B. 1/8
C. 2/3
D. 1/2
E. 1

Question 494:

• WAEC 1997

In which of the following is the knowledge of genetics not applicable?

A. Development of high-yielding varieties
B. Preservation of seeds
C. Development of early maturing varieties
D. Development of early maturing seed

Question 495:

• WAEC 1997

In an inter-species competition, the less successful species usually

A. Reproduce faster
B. Become more active
C. Become domant
D. Occupy more space
E. Become eliminated