Jamb Biology 2001 Past Questions and Answers

Question 36:

• JAMB 2001

The distribution of plants in a rain forest is governed mainly by

A. Vegetation
B. Soil types
C. Amount of sunlight
D. Rainfall pattern

Question 37:

• JAMB 2001

Both recessive and dominant characters are found

A. On different chromosomes in the cell
B. At the same locus of a homologous chromosome
C. At different loci of a homologous chromosome
D. On the same chromatid in a chromosome

Question 38:

• JAMB 2001

The probability of a baby being a boy or a girl depends on the contribution of the

A. Father's sex cell
B. Father's somatic chromosome
C. Mother's sex cell
D. Mother's X-chromosome

Question 39:

• JAMB 2001

Which of the following statements is true of blood groups and blood transfusion?

A. Group O is the universal recipient
B. Group A can donate to group A only
C. Group AB is the universal recipient
D. Group B can donate to group B only

Question 40:

• JAMB 2001

Which of the following is likely to encourage inbreeding in plants?

A. Dioecious
B. Protandrous
C. Monoecious
D. Hermaphrodite