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

22

The weight of a sheep increased from 25kg to 45kg in two months.

If the total consumption during the period was 60kg. Determine the feed conversion ratio

  • A. 1 : 1
  • B. 1 : 2
  • C. 3 : 1
  • D. 4 : 1
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23

Soil water that is available for root absorption at field capacity is

  • A. Capillary water
  • B. hygroscopic water
  • C. Gravitational water
  • D. superfluous water.
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24

Which of the following insects transmits swollen shoot disease of cocoa?

  • A. steam borer
  • B. Mealybug
  • C. white fly
  • D. scale insect
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25

Which of the following crops has a fibrous root system?

  • A. cotton
  • B. coffee
  • C. cowpea
  • D. sugarcane
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26

In animal production, newly-born rabbits are called

  • A. Bunnies
  • B. Kids
  • C. Pouts
  • D. Lambs
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27

Agriculture contributes to the economy of West African countries through the following means except

  • A. Reduction of poverty through job creation
  • B. Supply of armament for territorial defence
  • C. Provision of foreign exchange
  • D. supply of raw materials to industries
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28

Close to the time of harvesting of cotton, sunshine is needed to ensure the production of bolls that are

  • A. big
  • B. Bright
  • C. not mouldy
  • D. not open
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29

Which of the following factors does not influence the distribution of cattle in West Africa?

  • A. Pastures
  • B. Light
  • C. Diseases
  • D. Rainfall
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30

Sexual maturity in farm animals is not influenced by their

  • A. Breed
  • B. Sex
  • C. nutrition
  • D. wearing age
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31

Government plays roles in the development of agriculture through the following means except

  • A. Provision of subsidies
  • B. training of farmer's children
  • C. establishment of agricultural development programmes
  • D. establishment of farm settlements
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32

A detrimental effect of bush burning is that it

  • A. destroys soil organic matter
  • B. Destroys weed seeds
  • C. sterilizes the soil
  • D. adds potash to the soil
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33

Which of the following diseases commonly occurs during brooding?

I. Yolk sac infection
II. Coccidiosis
III. Fowl pox
IV. Pullorum

  • A. I, II and III only
  • B. I, II and IV only
  • C. I, III and IV only
  • D. I, II and IV.
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34

Which of the following properties of soil determines its water-holding capacity?

I. Texture
II. pH
III. Colour
IV. Structure

  • A. I and II only
  • B. I and IV only
  • C. II and III only
  • D. III and IV only
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35

Which of the following factors are causes of deforestation in West Africa?

I. Expansion of cultivated land
II. High population growth rate
III. Conservation of wildlife in game reserves
IV. Urban growth

  • A. I, II and III only
  • B. II, III and IV only
  • C. I, II and IV only
  • D. I, II, III and IV.
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36

Which of the following statements is a disadvantage of human power? It

  • A. controls other sources of farm power
  • B. brings about least damage
  • C. is easily available and controlled
  • D. has low output.
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37

The correct sequence of feed utilization in farm animals is

  • A. digestion-ingestion-absorption-assimilation
  • B. ingestion-digestion-assimilation-absorption
  • C. ingestion-digestion-absorption-assimilation
  • D. digestion-assimilation-ingestion-absorption
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38

The correct sequence for the use of coupled implements for land preparation is

  • A. Plough, harrow and ridger
  • B. harrow, ridger and plough
  • C. plough, ridger and harrow.
  • D. ridger, harrow and plough
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39

Pineapple is widely propagated using

  • A. seeds
  • B. suckets
  • C. Slips
  • D. cuttings
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40

Under the communal land tenure system, farmers find it difficult to secure loans because

  • A. land holdings are small and fragmented
  • B. they are poor
  • C. land holdings cannot be used as security
  • D. they are mostly illiterate.
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41

Which of the following statements about agricultural development are true? It leads to

I. increased processing of produce
II. Increased food production.
III. High productivity.
IV. Increased agricultural labour force.

  • A. I, II and III only
  • B. I, II and IV only
  • C. I, III and IV only
  • D. II, II and IV only
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42

In which layer of the soil profile do most biological activities occur?

  • A. D-horizon
  • B. C-horizon
  • C. B-horizon
  • D. A-horizon
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