WAEC Biology Past Questions & Answers - Page 228

1,136.

The resemblance of a palatable insect to a poisonous insect is an example of

A.

a chemical deterrent to a predator

B.

an escape from the predator camouflage

C.

an escape from the predator by mimicry

D.

a defense against the predator by warming coloration

Correct answer is C

No explanation has been provided for this answer.

1,137.

Which of the following groups consists of heterotrophs?

A.

Mucor, chlamydomonas and Euglena

B.

Spirogyra, Mucor and Mushroom

C.

Man, Mucor and Mushroom

D.

Man, Maize and Cowpea

Correct answer is C

No explanation has been provided for this answer.

1,138.

Which of the following organisms is a producer?

A.

Spirogyra

B.

Mucor

C.

Rhizopus

D.

Yeast

Correct answer is A

No explanation has been provided for this answer.

1,139.

Which of the following diseases is commonly observed in human males and is sex-linked?

A.

Beriberi

B.

Down’s syndrome

C.

Sickle-cell anaemia

D.

colour blindness

Correct answer is D

No explanation has been provided for this answer.

1,140.

The abiotic factor which determines the depth to which light penetrates in a pond is

A.

current

B.

turbidity

C.

wind

D.

salinity

Correct answer is B

No explanation has been provided for this answer.