JAMB Agricultural Science Past Questions & Answers - Page 41

201.

An increase in supply of agricultural produce can be caused by the following factors except

A.

Reduced cost of production

B.

Favourable weather conditions

C.

Reduced taxation

D.

Consumers buying less products

Correct answer is D

Consumers buying less product will not contribute to an increase in the supply of agricultural produce.

202.

Which of the following fishing gears can be used for total harvesting of pond?

A.

Hook and line

B.

Harpoon

C.

Basket trap

D.

Dragnet

Correct answer is D

It is because of the way it is constructed, dragnet can be used for the total harvesting of ponds.

203.

Layer's ration contains more limestone than grower's ration because limestone

A.

Is difficult for the growers to digest

B.

Stimulates layer's appetite

C.

Reduces the acidity in the gut if growers

D.

Supplies sufficient minerals to layers for shell formation

Correct answer is D

Layer's ration contains more limestone than grower's ration as limestone supplies calcium which is needed for shell formation in layers.

204.

In subsistence agriculture

A.

Yields are usually high

B.

Surplus produce is small

C.

Savings are made

D.

Farm sizes are large

Correct answer is B

Subsistence agriculture or farming is a form of farming in which nearly all the crops or livestock raised are used to maintain the farmer and farmers family, leaving little, if any, surplus for sale or trade.

205.

In the diagram illustrated above, fertilization takes place in the part labelled

A.

I

B.

II

C.

III

D.

IV

Correct answer is A

No explanation has been provided for this answer.