JAMB Biology Past Questions & Answers - Page 159

791.

Which of the following group of organisms feeds directly on green plants?

A.

Primary Consumers

B.

Secondary Consumers

C.

Producers

D.

Decomposers

Correct answer is A

No explanation has been provided for this answer.

792.

The major limiting factors of productivity in the aquatic habitat include the following except?

A.

Food

B.

Temperature

C.

Water

D.

Sunlight

Correct answer is B

Most aquatic organisms do not have to deal with extremes of temperature or moisture.

Instead, their main limiting factors are the availability of sunlight and the concentration of dissolved oxygen and nutrients in the water.

793.

The genetic make-up of an organism is described as

A.

Allele

B.

Chromosome

C.

Phenotype

D.

Genotype

Correct answer is D

No explanation has been provided for this answer.

794.

The influence of the soil on organisms in a habitat is referred to as

A.

Edaphic

B.

Physiographic

C.

Biotic

D.

Topographic

Correct answer is A

No explanation has been provided for this answer.

795.

Which of the following instruments is used to measure atmospheric pressure?

A.

Hydrometer

B.

Hygrometer

C.

Thermometer

D.

Barometer

Correct answer is D

No explanation has been provided for this answer.