FORM AND FUNCTIONS - Jamb Biology Past Questions and Answers

Question 536:

• JAMB 1995

In spite of the removal of carbondioxide from the atmosphere, its amount remains more or less constant because

A. It is produced by green plants during photosynthesis
B. It is produced during respiration of animals
C. It is absorbed inn ocean water
D. Green plants release it during the day

Question 537:

• JAMB 1995

Human height is an example of a feature which depends on both

A. Genotype and phenotype
B. Genetic and environmental factors
C. Mother's genotype and environmental factor
D. Phenotipic and environmental factors

Question 538:

• JAMB 1995

A person with type O blood can donate to a patient with type A because the donor's blood

A. Lacks antigens
B. Lacks anti-A antibodies
C. Lacks anti-B antibodies
D. Has both anti-A and anti-B antibodies

Question 539:

• JAMB 1995

The specific number of chromosomes in each somatic cell is represented by

A. 2^N
B. 23
C. 2N
D. N

Question 540:

• JAMB 1995

The diagram represents

A. Sensory neurone
B. Relay neurone
C. Afferent neurone
D. Motor neurone