JAMB Biology Past Questions & Answers - Page 252

1,256.

Birds that are large with long, straight, pointed beaks, long necks and long legs are likely to be

A.

insect eaters

B.

fish catchers

C.

nectar feeders

D.

fruit eaters

Correct answer is B

No explanation has been provided for this answer.

1,257.

The carnassial teeth of a carnivorous animal consist of the

A.

last upper premolar and the first lower molar

B.

last upper molar and the last lower molar

C.

first upper premolar and the lower molar

D.

first upper molar and the first lower molar

Correct answer is A

No explanation has been provided for this answer.

1,258.

In his theory of evolution, Darwin implied that

A.

the struggle for existence among living organisms is sporadic

B.

the most successful organisms are those that best adapt to their environment

C.

organs of the body which are not regularly used by an organism will disappear

D.

any traits acquired by an organism during its lifetime can be passed unto its offspring

Correct answer is B

No explanation has been provided for this answer.

1,259.

In a population study using the transect method, a student is likely to record the highest number of species in?

A.

a tropical rain forest

B.

a guinea savanna

C.

a sahel savanna

D.

an estuarine swamp

Correct answer is B

A transect is usually used to investigate a gradual change in a habitat rather than to simply estimate the number of organisms within it.

The characteristics of the Guinea Savanna include:

the largest of all vegetation belts in Nigeria;

tall grasses;

few scattered trees.

1,260.

The excessive use of agro-chemicals could lead to the pollution of

A.

the lithosphere

B.

the atmosphere

C.

fresh water

D.

space

Correct answer is C

No explanation has been provided for this answer.