WAEC Agricultural Science Past Questions & Answers - Page 45

221.

The degree of responsiveness of demand to change in the price of goods or produce is referred to as

A.

Relative Elasticity of demand

B.

Unit Elasticity of demand

C.

Price Elasticity of demand

D.

Perfect Elastic demand

Correct answer is C

Price Elasticity of demand is the degree of responsiveness of demand to changes in the price of goods or produce.

 

222.

Which one of these is not an advantage of Newspaper as agricultural extension teaching methods?

A.

It is restricted to only few literate farmer

B.

The pictures they often carry serves as useful teaching aids

C.

They are less expensive

D.

They can also be used in areas where there is no electricity

Correct answer is A

Newspaper can only be read by the literate farmers and majority of the farmers are ILLITERATE.

 

223.

The following are the advantages of the sprinkler method of irrigation except

A.

The system can be made automatic

B.

They are portable making them suitable for use

C.

Rate of application of irrigation water can be controlled

D.

The method may be difficult for local farmers to use

Correct answer is D

The sprinkler system is automatic, portable and can easily be controlled, so it is NOT difficult for local farmers to use.

224.

If a crop requires 1.5kg phosphorus per hectare, how many kg of manure will be required per hectare is 1kg manure contains 0.32kg of phosphorus.

A.

2.47kg

B.

4.69kg

C.

7.35kg

D.

12.3kg

Correct answer is B

If 1kg manure = 0.32kg of phosphorus
xkg manure = 1.5kg of phosphorus
(Cross multiply)

x = 1.5
0.32
= 4.69kg of manure

225.

Increase in farm produce is not usually improved by the

A.

Use of improved crop varieties

B.

Increased use of manure and fertilizer

C.

Improved sales of crop and livestock

D.

Use of better farm equipment and tools

Correct answer is C

No explanation has been provided for this answer.