Waec Biology 2009 Past Questions and Answers

Question 51:

• WAEC 2009

The outward appearance or an organism is referred to as

A. Phenotype
B. Genotype
C. Dominance
D. Recessiveness

Question 52:

• WAEC 2009

The allele responsible for sickle-cell anaemia first appeared in the tropical and subtropical regions of Asia, the Middle
East and Africa. It entered the United States of America when individuals were forcibly brought over from Africa. In micro-
evolutionary terms this is an example of

A. Mutation
B. Gene flow
C. Genetic drift
D. Natural selection

Question 53:

• WAEC 2009

Which of the following diseases is not hereditary?

A. Albinism
B. Scabies
C. Haemophilia
D. Colour blindness

Question 54:

• WAEC 2009

The immediate product of meiosis in flowering plants is the

A. Sporophyte
B. Gametophyte
C. Zygote
D. Pollen grain

Question 55:

• WAEC 2009

DNA in eukaryotic cells is contained in the

A. Central vacuole
B. Nucleus
C. Lysosome
D. Golgi body