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Agricultural Science2009

WASSCE · 60 questions · Answers included

60 questions

1

The most important contribution of agriculture to mankind is the provision of

2

An advantage of commercial agriculture is that it

3

Which of the following statements about communal land tenure system is true?

4

Agricultural land use is negatively affected by

5

The practice of growth both food and forage crops simultaneously on the same piece of land is called

6

The use of land for agricultural purpose involves the following except

7

The natural grasslands of West Africa are generally located in the

8

The following processes in soil formation are caused by biotic factors except

9

Which of the following rocks is not formed from pre-existing rocks?

10

Chemical weathering is fastest in

11

It is not advisable to apply fresh farmyard manure because

12

Magnesium deficiency in crops can be corrected by the application of

13

The atmosphere gains carbon dioxide through the following ways except

14

Controlled burning has the advantage of

15

Which of the following fertilizers should be applied for good plant growth after prolonged use of sulphate of ammonia on a neutral soil?

16

Which of the following statements indicate advantages of sub-surface irrigation? I. Low operation cost once established II. Does not disturb the movement of implements III. Permits efficient use of water IV. easily floods the field

17

The removal of excess water from the sub-soil is known as

18

The best source of farm power for agricultural production is

19

The greatest disadvantage of using a bulldozer in land clearing is that it

20

Mechanization is difficult to practice where the

21

Which of the following equipment is not used in farm surveying?

22

Farm surveying is important because it determines

23

Bush fallowing is necessitated by

24

A well fermented and dried coffee seed is said to be

25

A bag of fertilizer had a ratio of 0:10:0 written on it. This means that the fertilizer contains

26

In crop rotation, deep-rooted crops should follow shallow-rooted crops because deep-rooted crops

27

If a crop is planted at a spacing of 100cm x 50cm. Calculate the plant population required for an hectare of farm land.

28

The term hermetic storage of grains means keeping grains in

29

A disadvantage of vegetatively propagated crops is that they

30

Which of the following statements about mulches is true? They

31

Which of the following crops is bet harvested using a combine harvester?

32

Which of the following crops produces latex?

33

What will be the following effect of establishing a grass with centrosema spp. in a pasture? The

34

Which of the following is not an economic importance of forests? They serve as source of

35

The twisting, wrinkling and mottling of leaves are symptoms of

36

An example of biological control of pests is

37

Edible seeds with sticky covering and hooks are most likely to be dispersed by

38

Hereditary characteristics are passed from parents to offspring through the

39

Embryonic membranes do not include

40

The digestion of plant fibre is non-ruminant herbivores takes place in the

41

Which of the following hormones is responsible for the relaxation of the pelvic ligaments and cervix during parturition?

42

The signs of heat in animals include the following except

43

Which of the following is not an abiotic condition that affects livestock production?

44

Cows should not be allowed to eat plenty of young fresh pastures because they will

45

In commercial egg production, the most effective management system is

46

Which of the following statements is true of a pig which has only one testis?

47

The ingredient which is not a major source of minerals in animal feeds is

48

If a soyabean meal contains 45% crude protein, what quantity of it should be provided to laying flock to supply 5.00 kg of protein?

49

The following are common grasses in the rangeland except

50

Disease of animals that can also be transferred to humans are

51

Poultry showing difficulty in breathing and loss of appetite are under the attack of

52

The major cause of spoilage in fresh fish is

53

Which of the following statement about a good fish pond is true?

54

The mechanical introduction of semen into the vagina of a female animal is termed

55

The most important input contributed by farm family is

56

Demand is said to be elastic when a percentage change in price

57

The law of diminishing returns helps in

58

How would an individual proposing to start a farm obtain estimates of yield, prices and cost needed in preparing a budget?

59

Farm gate price is the price at which

60

The method of disseminating new farming techniques to farmers include the following except