JAMB Biology Past Questions & Answers - Page 412

2,056.

Alkaline pyrogallol was used in an experiment. That experiment must have been connected with 

A.

Excretion

B.

Germination

C.

Transpiration

D.

Digestion

E.

Photosynthesis

Correct answer is E

Alkaline pyrogallol absorbs water and oxygen. So it is used in photosynthesis to test for the importance of water as one of the materials necessary for photosynthesis to take place.

2,057.

A sugar solution was boiled with fehling’s solution A and B and the colour remained blue. The sugar tested was

A.

Glucose

B.

Maltose

C.

Fructose

D.

Sucrose

E.

Lactose

Correct answer is D

No explanation has been provided for this answer.

2,058.

Which of the following statements is not true of paramecium?

A.

It is slipper-shaped

B.

The anterior end is blunt

C.

The gullet is lined with cilia

D.

It has an anal pore

E.

Its vacuole is stationary

Correct answer is E

No explanation has been provided for this answer.

2,059.

The part of the mammalian brain responsible for maintaining balance is

A.

Medulla oblongata

B.

Cerebellum

C.

Optic lobe

D.

Cerebrum

E.

Olfactory lobe

Correct answer is B

No explanation has been provided for this answer.

2,060.

In which of these association is much harm done to one of the partners?

A.

Symbiosis

B.

Epiphytism

C.

Commensalism

D.

Parasitism

E.

Mutualism

Correct answer is D

No explanation has been provided for this answer.