WAEC Biology Past Questions & Answers - Page 200

996.

Which of the following terms is not associated with fingerprint and classification?

A.

Whorl

B.

Contour

C.

Arch

D.

Loop

Correct answer is B

No explanation has been provided for this answer.

997.

The removal of all the phloem tissues of the stem of a plant close to the root system for a long period of time is likely to

A.

provide more energy to the roots

B.

accumulate more starch in the roots

C.

cause the underground roots to develop buds

D.

cause the plant to wither and die

Correct answer is D

No explanation has been provided for this answer.

998.

Which of the following statements about photosynthesis is not true?

A.

Plants can photosynthesize without an increase in dry weight

B.

Carbon dioxide is absorbed by the leaves in bright light

C.

oxygen is produced during photosynthesis from the breakdown of water

D.

Photosynthesis occurs in green plants

Correct answer is A

No explanation has been provided for this answer.

999.

Which of the following represents Mendel’s second law of inheritance? The factors for two pairs of contrasting characters are

A.

dependent on each other

B.

on homologous chromosomes

C.

allelomorphic

D.

inherited independently of each other

Correct answer is D

No explanation has been provided for this answer.

1000.

The process whereby electrons are emitted from chlorophyll and returned to it unchanged is known as?

A.

non-cyclic phosphorylation

B.

photochemical reaction

C.

photophorylation

D.

cyclic photophorylatlion

Correct answer is D

During cyclic photophosphorylation, the electrons are transferred back to P700 instead of moving into the NADP from the electron acceptor. This downward movement of electrons from an acceptor to P700 results in the formation of ATP molecules