Waec Biology 2005 Past Questions and Answers

Question 51:

• WAEC 2005

Variation which exhibits a wide range from one extreme to the other with very little difference between the intermediates is described as

A. Phenotypic
B. Discontinuous
C. Continuous
D. Genotypic

Question 52:

• WAEC 2005

Which of the following is an example of physiological variation?

A. Blood groups
B. Skin colour
C. Finger prints
D. Human height

Question 53:

• WAEC 2005

A person with blood group B can only donate blood to individuals with blood groups

A. A and B
B. B and AB
C. O only
D. B only

Question 54:

• WAEC 2005

If the pink colour of a petal is dominant over white what would be the colour of the flower of the F generation when a pure pink flowered plant is crossed with a white flowered plant?

A. Purple
B. Pink
C. White
D. Yellow

Question 55:

• WAEC 2005

If two parents are sickle cell carriers then their genotypes would be

A. Hb^A Hb^A and Hb^S Hb^S
B. . Hb^S Bb^S and Hb^S Bb^S
C. Hb^A Hb^S and Hb^A Hb^S
D. Hb^A Hb^A and Hb^A Hb^A