WAEC Biology Past Questions & Answers - Page 59

291.

Which of the following actions is NOT a voluntary action?

A.

Stealing

B.

Sneezing

C.

Fighting

D.

Cheating

Correct answer is B

No explanation has been provided for this answer.

292.

Tall trees with unbranched trunks which grow above the upper storey of the forest are commonly referred to as _____

A.

Emergents

B.

Herbs

C.

Lanes

D.

Shrubs

Correct answer is A

No explanation has been provided for this answer.

293.

In the pyramid of energy illustrated above, the organism with the least amount of transferred energy is___________

A.

Spirogyra

B.

Tadpole

C.

Fish

D.

Bird

Correct answer is D

No explanation has been provided for this answer.

294.

Organisms in an ecosystem are usually grouped according to their trophic level into__________

A.

carnivores and omnívores

B.

consumers and parasites

C.

producers and saprophytes

D.

Producers and consumers

Correct answer is D

No explanation has been provided for this answer.

295.

Which of the following soil fertility improvement methods will have the most negative effect on the ecosystem if not controlled?

A.

Application of N-P-K fertilizer

B.

Shifting cultivation

C.

Mixed farming

D.

Crop rotation

Correct answer is A

No explanation has been provided for this answer.