Agricultural Science JAMB, WAEC, NECO AND NABTEB Official Past Questions

64

In a poultry farm, 2,000 birds were laying an average of 1,680 eggs per day. Use this information to answer the question

What is the percentage of birds that did not lay eggs?

  • A. 16%
  • B. 84%
  • C. 19%
  • D. 46%
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65

Which of the following crops require a nursery?

  • A. Rubber
  • B. Cotton seed
  • C. Yam
  • D. Soya bean
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66

Soil structure is described as the

  • A. proportion of different sizes of soil particles
  • B. degree of water percolation within the soil
  • C. degree of soil aeration within the soil
  • D. arrangement of soil particles into aggregates
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67

The diagram above illustrates a method of compost making. Study it and answer the question.

A material that could be used as starter in the method of compost making illustrated is

  • A. Ash
  • B. Straw
  • C. Blood
  • D. Urine
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68

The diagram above illustrates a method of compost making. Study it and answer the question.

The part labelled I is used for

  • A. checking the decomposition rate
  • B. hastening the fermentation rate
  • C. turning the compost materials
  • D. stacking the compost materials
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69

The diagram above illustrates a method of compost making. Study it and answer the question.

The method of compost milking illustrated in the diagram is

  • A. heap
  • B. bin
  • C. sheet
  • D. pit
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70

Ornamental plants are primarily cultivated to

  • A. provide fodder for livestock
  • B. beautify the environment
  • C. serve as mulching materials
  • D. serve as raw materials
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71

The diagram above illustrates a farm operation. Study it and answer the question
Examples of crops which require the illustrated farm operation are

  • A. cowpea, millet and okro
  • B. maize, pepper and tomato
  • C. rice, groundnut and millet
  • D. pepper, rice and cowpea
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72

The diagram above illustrates a farm operation. Study it and answer the question
The illustrated farm operation is known as

  • A. winnowing
  • B. milling
  • C. shelling
  • D. threshing
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73

A beneficial effect of bush burning is that it

  • A. replenishes oxygen in the atmosphere
  • B. increases the organic matter of soil
  • C. encourages the regeneration of grasses
  • D. increases the population of soil microorganisms
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74

If the seed rate for the cultivation of cowpea is 25 kg per hectare, determine the quantity of cowpea seeds required to cultivate a farmland measuring 100 m by 500 m.

  • A. 125 kg
  • B. 50 kg
  • C. 250 kg
  • D. 1,250 kg
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75

Maceration is carried out in the processing of

  • A. paddy rice
  • B. oil palm
  • C. cotton
  • D. cocoa
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76

Which of the following pairs of livestock diseases could be contracted through inhalation?

  • A. Coccidiosis and rinderpest
  • B. Newcastle disease and aspergillosis
  • C. Anthrax and tuberculosis
  • D. Gumboro and brucellosis
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77

Which of the following statements about underground drainage is true

  • A. Ditches are constructed to remove excess water
  • B. Ditches are dug from a source of water to the farmland
  • C. Furrows are constructed to direct water out of the farmland
  • D. Water seeps into tiles to reach an outlet where it is discharged
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78

Grading of farm produce is important because it

  • A. maintains produce quality
  • B. prolongs storability
  • C. facilitates pricing
  • D. facilitates transportation
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79

The part of a disc plough to which discs are connected is

  • A. furrow wheel
  • B. standard
  • C. scraper
  • D. beam
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80

The number of teats in the udder of a cow is

  • A. four
  • B. two
  • C. six
  • D. eight
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81

Which of the following paring enterprise could best be combined with fish farming for mutual benefits?
I. Vegetable production
II. Beekeeping
III. Poultry production

  • A. I and III only
  • B. I, II and III
  • C. I and II only
  • D. II and III only
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82

Steaming up ration should be fed to

  • A. pregnant animals
  • B. weaned young animals
  • C. breeding female animals
  • D. lactating animals
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83

Monocotyledonous crops are characterized by

  • A. parallel-veined leaves
  • B. woody stems and branches
  • C. taproot system
  • D. net-veined leaves
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84

The storage structure usually installed by the government for bulk storage of grains in West Africa is

  • A. crib
  • B. rhombus
  • C. bin
  • D. silo
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