JAMB Biology Past Questions & Answers - Page 103

511.

The breaking down of food in the alimentary canal is called

A.

digestion

B.

egestion

C.

excretion

D.

ingestion

Correct answer is A

No explanation has been provided for this answer.

512.

The lime water in container C turned milky because

A.

Carbon dioxide was produced by the plant during respiration

B.

Carbon dioxide entered through the filter pump

C.

Oxygen reacts with lime water to produce milkiness

D.

Soda lime did not remove carbon dioxide from the air

E.

The delivery tubes were not well connected

Correct answer is A

Carbon dioxide was produced by the plant during respiration.

513.

Use the diagram below to answer this question.

The male inflorescence is labelled

A.

i

B.

ii

C.

iii

D.

iv

Correct answer is A

No explanation has been provided for this answer.

514.

The diagram is the transverse section of a

A.

monocotyledonous stem

B.

dicotyledonous stem

C.

monocotyledonous root

D.

dicotyledonous root

Correct answer is D

No explanation has been provided for this answer.

515.

Amongst the organs indicated, the ones used to attach to the lining of the host's intestine are labelled

A.

ii and iii

B.

iii and iv

C.

i and ii

D.

i and iii

Correct answer is A

No explanation has been provided for this answer.