JAMB Biology Past Questions & Answers - Page 184

916.

The soil becomes toxic to plants when the concentration of its essential elements is in the range labelled

A.

IV

B.

III

C.

II

D.

I

Correct answer is A

No explanation has been provided for this answer.

917.

The range at which soil essential elements concentration is recorded for optimal plant growth is marked

A.

IV

B.

III

C.

II

D.

I

Correct answer is B

No explanation has been provided for this answer.

918.

The part labelled IV is the 

A.

albumen

B.

germinal disc

C.

yolk

D.

air space

Correct answer is B

No explanation has been provided for this answer.

919.

The structure that holds the yolk in position is labelled

A.

II

B.

I

C.

IV

D.

III

Correct answer is D

No explanation has been provided for this answer.

920.

The part labelled II is the

A.

fenestra ovalis

B.

middle ear canal

C.

internal auditrory meatus

D.

ear ossicles

Correct answer is D

No explanation has been provided for this answer.