WAEC Biology Past Questions & Answers - Page 271

1,351.

The examples of autotrophic organisms include the following except

A.

Euglena

B.

Chlamydomonas

C.

Hydra

D.

Spirogyra

Correct answer is C

No explanation has been provided for this answer.

1,352.

Which of the following organisms is not considered a parasitic plant?

A.

Cassytha

B.

Rhizopus

C.

Dodder

D.

Mistletoe

Correct answer is B

No explanation has been provided for this answer.

1,353.

If an enzyme works best in an acid medium, in which of the following parts of the human gut is the pH best for
enzyme activities? In the

A.

ileum, pH 9.0

B.

stomach, pH 2.0

C.

duodenum, pH 7.0

D.

mouth cavity; pH 8.0

Correct answer is B

No explanation has been provided for this answer.

1,354.

Which of the following food substances would produce a translucent mark when rubbed on white paper?

A.

Potato

B.

Beans

C.

Mango

D.

Groundnut

Correct answer is D

No explanation has been provided for this answer.

1,355.

Study the following list of deficiency symptoms in animals; use it to answer the questions below
I. Loss of appetite and weight; II. Delayed wound healing; III. Rickets; IV Sterility in animals
V Failed blood clotting; VI. Night blindness

Which of the following food combinations would correct the deficiency numbered II?

A.

Tomatoes, oranges, and mangoes

B.

Yeast, liver, and rice

C.

Red palm oil, carrot, and egg yolk

D.

Green vegetables, butter, and meat

Correct answer is D

No explanation has been provided for this answer.