Jamb Biology 2011 Past Questions and Answers

Question 36:

• JAMB 2011

In which of the following biomes is the south western part of Nigeria located?

A. Temperate forest
B. Tropical rainforest
C. Tropical woodland
D. Desert

Question 37:

• JAMB 2011

The inheritable characters that are determined by a gene located on the X-chromosome is

A. Recessive
B. Sex-linked
C. Homozygous
D. Dominant

Question 38:

• JAMB 2011

Lack of space in a population could lead to an increase in

A. Water scarcity
B. Birth rate
C. Disease rate
D. Dought

Question 39:

• JAMB 2011

If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of

A. Codominance
B. Incomplete dominance
C. Mutation
D. Linkage

Question 40:

• JAMB 2011

Which of the following theories was NOT considered by Darwin in his evolutionary theory?

A. Variation
B. Survival of the fittest
C. Use and disuse
D. Competition