JAMB Biology Past Questions & Answers - Page 171

851.

In a reflex action, impulse flows from

A.

1 to 2

B.

2 to 1

C.

4 to 1

D.

4 to 2

Correct answer is A

No explanation has been provided for this answer.

852.

All the cell bodies in the spinal cord are found in 

A.

1

B.

2

C.

3

D.

4

Correct answer is A

No explanation has been provided for this answer.

853.

If the blood is too concentrated, more water is absorbed from? 

A.

5

B.

4

C.

3

D.

1

Correct answer is B

The distal part of the nephron and collecting duct are mainly concerned with the detailed regulation of water, electrolyte, and hydrogen-ion balance.

854.

The correct figure sequence for the following labeled parts (stigma, ovary wall, embryo sac, integument and micropyle) is 

A.

12453

B.

24135

C.

21435

D.

14325

E.

31425

Correct answer is C

No explanation has been provided for this answer.

855.

The testa

A.

is normally absent

B.

is included in the part numbered (1)

C.

is fused in the part numbered (3)

D.

is the part numbered (1)

E.

surrounds the part numbered (4) and (5)

Correct answer is B

No explanation has been provided for this answer.