JAMB Biology Past Questions & Answers - Page 123

611.

Angiosperms belong to the class

A.

bryophyta

B.

pteridophyta

C.

spermatophyta

D.

thallophyta

Correct answer is C

No explanation has been provided for this answer.

612.

The primary consumer in the food chain below is ................

Green plants → Grasshopper → Lizard → Snake → Hawk

A.

Grasshopper

B.

green plants

C.

hawk

D.

lizard

Correct answer is A

No explanation has been provided for this answer.

613.

When the solute concentration of the cell and its surrounding medium are the same, the solution is said to be

A.

hypertonic

B.

hypotonic

C.

isotonic

D.

acidic

Correct answer is C

Option C is correct because when a cell is isotonic, it doesn't lose water into the surrounding medium or take it in. An isotonic solution essentially implies that there is balance between the cell and the surrounding medium.

614.

One of these is present in both plant and animal cells?

A.

Cell membrane

B.

Cell wall

C.

Chloroplast

D.

Large cell vacuole

Correct answer is A

No explanation has been provided for this answer.

615.

Which of the following hormonal glands is located on top of the kidney?

A.

Adrenal

B.

gonads

C.

pancreas

D.

thyroid

Correct answer is A

No explanation has been provided for this answer.