JAMB Biology Past Questions & Answers - Page 331

1,651.

On what structure are the units of inheritance situated?

A.

Golgi bodies

B.

Ribosomes

C.

Chromosomes

D.

Endoplasmic reticulum

Correct answer is C

No explanation has been provided for this answer.

1,652.

Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because

A.

the deposit have remains of organisms characteristic of when they were formed

B.

different strata have remains of organisms of the same kind

C.

only organisms with strong parts are fossilized

D.

most animal and plant fossils bear little resemblance to present day living specimens

Correct answer is A

No explanation has been provided for this answer.

1,653.

The theory of natural selection was developed by

A.

Lamarck and Darwin

B.

Darwin and Wallace

C.

Wallace and Mendel

D.

Mendel and Larmack

Correct answer is B

No explanation has been provided for this answer.

1,654.

Which of the following factors is LEAST likely to affect the animals living in a fresh water habitat?

A.

Turbidity

B.

Temperature

C.

pH

D.

Salinity

Correct answer is D

No explanation has been provided for this answer.

1,655.

An example of plant adaptation to a xerophytic environment is represented by the development of

A.

fleshy tissue and reduced leaves

B.

broad canopy and extensive surface root system

C.

thick barks and broad leaves

D.

rough leaves and shallow root system

Correct answer is A

No explanation has been provided for this answer.