JAMB Biology Past Questions & Answers - Page 410

2,046.

Which of these is not a type of soil?

A.

Sand

B.

Granite

C.

Loam

D.

 Clay

E.

Sandy loam

Correct answer is B

No explanation has been provided for this answer.

2,047.

The dry indehiscent, winged fruit formed from one one carpel is known as

A.

Schizocarp

B.

Caryopsis

C.

Samara

D.

Nut

E.

Follicle

Correct answer is C

No explanation has been provided for this answer.

2,048.

The plumule is best described as?

A.

Part of the cotyledon

B.

Part of the endosperm

C.

A miniature shoot

D.

Structure near the micropyle

E.

Structure opposite the hilum

Correct answer is C

No explanation has been provided for this answer.

2,049.

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.

2,050.

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.