Jamb Biology Past Questions and Answers

Question 2186:

• JAMB 2019

One of the following is not the theory of natural selection stated by Charles Dawin

A. Characteristics acquired through use or disuse are transmitted offspring
B. Variations appear by themselves in a population
C. Heredity variations are transmitted to offspring
D. Species that are the fittest for the environment contribute more offsprings to the next needs of the generation

Question 2187:

• JAMB 2019

Ecology is best defined as the study of

A. The characteristics of an environment
B. The inter-relationship between living organisms and the environment
C. Living organisms in a particular area
D. The habitats and wild life

Question 2188:

• JAMB 2019

The following processes are involved during expiration in man except

A. The inter costal muscles relax
B. The thoracic activity first increases in volume
C. The sternum moves inward
D. The ribs are moved downwards and inwards

Question 2189:

• JAMB 2019

Which of the following is an example of continous variation?

A. Human blood groups
B. Sex difference in human
C. Haemoglobin types
D. Height in humans

Question 2190:

• JAMB 2019

One of the following is an effect of clay soil on vegetation

A. Supports luxuriant vegetation such as forest
B. Supports scanty vegetation
C. Does not support light vegetation
D. Support arid vegetation