JAMB Biology Past Questions & Answers - Page 358

1,786.

which of these organisms will have the lowest population in an ecosystem?

A.

 Hawk

B.

Cowpea

C.

Praying mantis

D.

Mouse

Correct answer is A

No explanation has been provided for this answer.

1,787.

Which of the following instruments is used for determining turbidity of water? 

A.

Thermometer

B.

secchi disc

C.

rain guage

D.

Hydrometer

E.

Wind vane

Correct answer is B

No explanation has been provided for this answer.

1,788.

In a savanna ecosystem the abiotic factors include

A.

legumes, temperature, and sandy soil

B.

water, temperature, and soil

C.

minerals, oxygen, and reptiles

D.

water, soil, and grasses

Correct answer is B

No explanation has been provided for this answer.

1,789.

The function of the ossicles (malleus, incus and stapes) in the mammalian ear is

A.

Transmission of vibrations

B.

Regulation of pressure

C.

Support of the inner ear

D.

Maintenance of balance during motion

E.

Secretion of oil

Correct answer is A

No explanation has been provided for this answer.

1,790.

The tuber cassava is NOT a stem tuber because it

A.

Is distended with food reserve

B.

Has an aerial shoot portion

C.

Has other structure that could be called root

D.

Lacks axillary buds

E.

Has a bark over its stored food

Correct answer is D

No explanation has been provided for this answer.