WAEC Biology Past Questions & Answers - Page 274

1,366.

Use the information on the stages involved in conjugation to answer the question below

I. Transfer of one cell content into the adjacent cell
II. Formation of a conjugation tube
III. Secretion of thick wall to form a zygospore
IV. Formation of a protuberance
V. Germination of a filament

Which of the following organisms exhibits 'the stages listed above during conjugation?

A.

Chlamydomonas

B.

Euglena

C.

Spirogyra

D.

Volvox

Correct answer is C

No explanation has been provided for this answer.

1,367.

During anaerobic respiration in skeletal muscles, pyruvic acid is

A.

reduced to lactic acid

B.

oxidized to ethanol

C.

oxidized to lactic acid

D.

reduced to water

Correct answer is A

No explanation has been provided for this answer.

1,368.

The vessel that carries blood from the heart to the lungs is called an artery because it

A.

contains oxygenated blood

B.

contains more blood than the other vessels

C.

carries blood away from the heart

D.

has thick inelastic wall

Correct answer is C

No explanation has been provided for this answer.

1,369.

One of the similarities between algae and mosses is their possession of

A.

chlorophyll

B.

stem

C.

leaves

D.

roots

Correct answer is A

No explanation has been provided for this answer.

1,370.

Root hairs absorb water from the soil by 

A.

diffusion

B.

osmosis

C.

plasmolysis

D.

translocation

Correct answer is B

No explanation has been provided for this answer.