General Agriculture

Question 1

1Using those figures (revenue GH¢18,000, variable GH¢7,000, fixed GH¢5,000), net farm income is

Hard

A. GH¢6,000 B. GH¢13,000 C. GH¢2,000 D. GH¢11,000

Question 2

2Spear grass (Imperata) is difficult to control because of its

Easy

A. thorns B. underground rhizomes C. bright flowers D. large seeds

Question 3

3Weeds reduce crop yields by

Easy

A. competing for light, water and nutrients B. providing shade only C. adding nutrients D. killing pests

Question 4

4Revenue GH¢18,000; variable costs GH¢7,000; fixed costs GH¢5,000. The gross margin is

Hard

A. GH¢6,000 B. GH¢11,000 C. GH¢13,000 D. GH¢18,000

Question 5

5The law of diminishing returns states that adding more of one input while others are fixed eventually

Medium

A. reduces costs to zero B. always doubles output C. has no effect D. gives smaller and smaller increases in output

Question 6

6Costs that do not change with the level of farm output are

Easy

A. fixed costs B. opportunity costs C. variable costs D. marginal costs

Question 7

7A selective herbicide kills

Easy

A. certain weeds without harming the crop B. all plants C. insects D. fungi

Question 8

8A weed is

Easy

A. a plant growing where it is not wanted B. a crop disease C. a fertiliser D. any wild animal

Question 9

9A pre-emergence herbicide is applied

Easy

A. after harvest B. before weeds emerge C. on mature weeds only D. to animals

Question 10

10Gross margin in farm economics is

Medium

A. total output plus costs B. fixed costs only C. gross output minus variable costs D. net profit plus tax