Biology questions and answers

Biology Questions and Answers

How well do you understand living things and their vital processes? Whether you are preparing for JAMB, WAEC, NECO and Post-UTME, these Biology past questions and answers cover such subjects as the chemistry of life, botany, evolution, genetics, ecology etc to help you know what to expect, improve your speed and confidence and be really prepared for the actual aptitude test.

1,696.
1,697.

If a boy has blood type O and his mother has blood type A, what is his father's genotype?

A.

BB

B.

AA

C.

AO

D.

AB

Correct answer is C

No explanation has been provided for this answer.

1,698.

The gene that is only located on X-choromosome is said to be

A.

expressed in females only

B.

defective

C.

sex-linked

D.

expressed in males only

Correct answer is C

No explanation has been provided for this answer.

1,699.

When a man who is Rh-positive marries a woman who is Rh-negative, there will be incidence of

A.

still births

B.

sicklers

C.

albinos

D.

living children

Correct answer is A

No explanation has been provided for this answer.

1,700.

A man's blood group is AB. What is the probability of the man giving birth to a child with blood group O?

A.

0%

B.

25%

C.

50%

D.

100%

Correct answer is A

No explanation has been provided for this answer.