WAEC Biology Past Questions & Answers - Page 39

191.

The organism with spiral chloroplasts and nucleus suspended by cytoplasmic strands is

A.

Volvox

B.

Spirogyra

C.

Paramecium

D.

Euglena

Correct answer is B

Spirogyra is a filamentous charophyte green alga of the order Zygnematales, named for the helical or spiral arrangement of the chloroplasts that is characteristic of the genus.

192.

Use the following Classes of Arthropoda to answer the question below

I. Crustacea II. Insecta III. Arachinda IV. Chilopoda

Which of the classes is characterised by the possession of two pairs of antennae?

A.

I

B.

II

C.

III

D.

IV

Correct answer is A

No explanation has been provided for this answer.

193.

Use the following classes of Arthropoda to answer the question below.

I. Crustacea II. Insecta III. Arachinda IV. Chilopoda

Which members of the classes live mainly in an aquatic habitat?

A.

I

B.

II

C.

III

D.

IV

Correct answer is A

No explanation has been provided for this answer.

194.

Which of the following statements about protoplasm of a cell is not correct? It

A.

comprises of the nucleus

B.

consists of the cytoplasm

C.

comprises of the cell organelles

D.

consists the nucleus only

Correct answer is D

No explanation has been provided for this answer.

195.

The following organisms have structures for movement except

A.

Amoeba

B.

Spirogyra

C.

Volvox

D.

Paramecium

Correct answer is B

No explanation has been provided for this answer.