JAMB Biology Past Questions & Answers - Page 214

1,066.

The causative agent of bird flu is a

A.

protozoan

B.

virus

C.

bacterium

D.

fungus

Correct answer is B

No explanation has been provided for this answer.

1,067.

The increasing order of the particle size in following soil types are

A.

clay → sand → silt →gravel

B.

silt → sand → clay → gravel

C.

clay → silt → sand → gravel

D.

silt → clay → sand → gravel

Correct answer is C

No explanation has been provided for this answer.

1,068.

The organs that will be most useful to giant African rats in finding their way through underground habitats are the

A.

vibrissae

B.

nostrils

C.

eyes

D.

tails

Correct answer is A

No explanation has been provided for this answer.

1,069.

Hassan and Hussain are identical twins but Hassan grows taller and fatter than Hussain. This is probably because?

A.

Hussain inherits genes for tallness and fatness from the father

B.

They have dissimilar genotypes

C.

Hussain is endowed with genes for shortness and thinness

D.

They are raised in different environment

Correct answer is D

Identical twins may share the same placenta and have the same DNA, but they will grow differently due to environmental factors.

1,070.

A population that doubles in size at constant intervals indicates

A.

sigmoid growth

B.

exponential growth

C.

population explosion

D.

rapid growth

Correct answer is B

No explanation has been provided for this answer.