Waec Biology 2013 Past Questions and Answers

Question 46:

• WAEC 2013

If a boy has blood type O and his mother has blood type A,what is the genotype of his father?

A. BB
B. AA
C. AO
D. AB

Question 47:

• WAEC 2013

A man's who suffers from haemophilia marries a woman who is a carrier, what percentage of their children are likely to be haemophilie?

A. 25%
B. 50%
C. 75%
D. 100%

Question 48:

• WAEC 2013

Which of the following traits may be considered in marriage counseling?

A. Height
B. Fingerprints
C. Rhesus factor
D. Colour of skin

Question 49:

• WAEC 2013

Which of the following structures is only formed during cell division in animal cells?

A. Cell memberane
B. Cytoplasm
C. Centrosome
D. Ribosome

Question 50:

• WAEC 2013

The function of the drone in a colony of bees is to

A. Clean the cells
B. Mate with the queen
C. Protect the colony
D. Lay eggs