WAEC Past Questions and Answers - Page 3997

19,981.

Study the list.
The mammalian vertebral column consists of the following:
I. Lumbar vertebrae II. Thoracic vertebrae III. Caudal vertebrae IV Cervical vertebrae V. Sacral
vertebrae.

Which of the following are found immediately next to the skull?

A.

I

B.

II

C.

III

D.

IV

E.

V

Correct answer is D

No explanation has been provided for this answer.

19,982.

The thoracic vertebra differs from all the other vertebrae by the possession of

A.

long neural spine

B.

odontoid process

C.

vertebrarterial canal

D.

Large centrum

E.

transverse processes

Correct answer is A

No explanation has been provided for this answer.

19,983.

Which of these instruments can be used to perform an experiment on geotropism?

A.

Potometer

B.

Cup anemometer

C.

Klinostat

D.

Kymograph

E.

Sphygmomanometer

Correct answer is C

No explanation has been provided for this answer.

19,984.

ln which of the following structures will cells undergoing meiosis be seen?

A.

At the apices of stem and root

B.

In the cortex of the stem

C.

In the palisade mesophyll of the leaf

D.

ln the ovary of a flower

E.

ln the root of a seedling

Correct answer is D

No explanation has been provided for this answer.

19,985.

Movement of water across a semi-permeable membrane from a weaker solution to a stronger solution is
known as

A.

transpiration

B.

diffusion

C.

active transport

D.

plasmolysis

E.

osmosis

Correct answer is E

No explanation has been provided for this answer.