WAEC Biology Past Questions & Answers - Page 294

1,466.

Which of these groups of organisms is responsible for capturing energy for the biotic community?

A.

Decomposers

B.

Omnivores

C.

Consumers

D.

Producers

E.

Detritus feeders

Correct answer is D

No explanation has been provided for this answer.

1,467.

Which of the following is the correct method to collect soil organisms?

A.

Heating the soil sample in an oven

B.

Aerating the soil sample

C.

Refrigerating the soil for some hours

D.

Pouring hot water on the soil to enable the organism float

E.

Placing a lighted electric bulb over soil in a funnel

Correct answer is E

No explanation has been provided for this answer.

1,468.

The frequency of andropogon in a grass lawn is 90 by 100. Throws were made within a 1 meter square quadrant.
What is the density of the andropogon in the field?

A.

0.09 per m²

B.

0.90 per m²

C.

9.0 per m²

D.

90 per m²

E.

900 per m²

Correct answer is B

No explanation has been provided for this answer.

1,469.

Which of these is not a true characteristic of the tropical rain forest?

A.

Vegetation consists predominantly of tall trees, with thick canopy

B.

Forest is rich in epiphysis and climbers

C.

Annual rainfall is less than 100 cm

D.

interior has low light intensity, high humidity and damp floor

E.

Fruits of trees are often large-sized and are generally without adaptation to wind dispersal

Correct answer is C

No explanation has been provided for this answer.

1,470.

The entire habits and habitat of an organism can be described as its

A.

ecological community

B.

ecological niche

C.

habitat factor

D.

biotic factor

E.

abiotic factor

Correct answer is B

An ecological niche is the part of the environment into which a species fits and to which it is adapted. Simply put, how an organism makes a living in a place.