JAMB Biology Past Questions & Answers - Page 334

1,666.

Double fertilization in higher plants is significant because it ensures the

A.

formation of a fertile embryo

B.

formation of a fertile embryo and the endosperm

C.

development of the seed

D.

development of the fruit

Correct answer is B

No explanation has been provided for this answer.

1,667.

What enzymes are contained in the pancreatic juice?

A.

Ptayalin, lipase, and pepsin

B.

Maltase, erepsin, and trypsin

C.

Renin, sucrase, and lipase

D.

Amylase, lipase, and trypsin

Correct answer is D

No explanation has been provided for this answer.

1,668.

The bone of the neck where the skull rests is known as the

A.

odontoid process

B.

axis

C.

atlas

D.

occipital condyle

Correct answer is C

No explanation has been provided for this answer.

1,669.

The excretory organ in insects is the

A.

kidney

B.

malpighian tubule

C.

flame cell

D.

nephridium

Correct answer is B

No explanation has been provided for this answer.

1,670.


In the absence of oxygen, the pyruvic acid produced during glycolysis is converted to CO2 and

A.

water

B.

glycerol

C.

ethanol

D.

citric acid

Correct answer is C

No explanation has been provided for this answer.