JAMB Biology Past Questions & Answers - Page 203

1,011.

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is likely to have contacted

A.

schistosomiasis

B.

onchocerciasis

C.

poliomyelitis

D.

salmonellosis

Correct answer is A

No explanation has been provided for this answer.

1,012.

An ecological factor that will have the most limiting effects on the abundance of phytoplankton in a turbid pond is

A.

pH

B.

oxygen

C.

light

D.

temperature

Correct answer is C

No explanation has been provided for this answer.

1,013.

The stomata of some plants are sunken and protected by hairs. These are features of

A.

mesophytes

B.

epiphytes

C.

hydrophytes

D.

xerophytes

Correct answer is D

No explanation has been provided for this answer.

1,014.

The main ecological problem facing intertidal organisms is

A.

desiccation

B.

floatation

C.

salinity

D.

humidity

Correct answer is A

Desiccation refers to the drying out of a living organism, such as when aquatic animals are taken out of water. The intertidal zones lay exposed twice daily due to tidal movements.

1,015.

In a typical freshwater habitat, the edge of the stream or pond constitutes the

A.

tidal zone

B.

intertidal zone

C.

littoral zone

D.

euphotic zone

Correct answer is C

No explanation has been provided for this answer.