Waec Biology 2010 Past Questions and Answers

Question 46:

• WAEC 2010

The parameters of size, height, weight and colour in a population of living things are examples of

A. Environmental variation
B. Non-heritable variations
C. Continuous variations
D. Discontinuous variations

Question 47:

• WAEC 2010

Fingerprints are useful in crime detection because

A. The police have sophisticated fingerprint machines
B. Thieves may leave their prints at the scene of a crime
C. No two people have the same fingerprint
D. Fingerprints are easy to make

Question 48:

• WAEC 2010

A person with blood group, O can be given blood from persons who have blood belonging to

A. Group O only
B. Group A only
C. Groups A and O
D. Groups A, B and O

Question 49:

• WAEC 2010

A man heterozygous for albino gene marries a woman who is also heterozygous for the gene. Both have normal skin colour. The probability that they will have an albino child is

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

Question 50:

• WAEC 2010

Which of the following statements about heredity is not true? In heredity the traits are

A. Carried by genes
B. Contained in the ovum and sperm
C. Always transmitted by one parent
D. Transmitted from parents to offspring