JAMB Biology Past Questions & Answers - Page 149

741.

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

Correct answer is B

No explanation has been provided for this answer.

742.

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

A.

water scarcity

B.

birth rate

C.

disease rate

D.

dought

Correct answer is C

No explanation has been provided for this answer.

743.

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

A.

recessive

B.

sex-linked

C.

homozygous

D.

dominant

Correct answer is B

No explanation has been provided for this answer.

744.

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

Correct answer is B

No explanation has been provided for this answer.

745.

Millet, sorghum, maize, and onions are common crops grown in Nigeria in the

A.

tropical rainforests

B.

sudan savanna

C.

montane forests

D.

sahel savanna

Correct answer is B

No explanation has been provided for this answer.