Home ยป Past Questions ยป Agricultural-science ยป Waec ยป 2018 ยป Page 2
22

Which of the following farm documents is usually prepared at the end of the year?

  • A. farm budget
  • B. labour record
  • C. farm inventory
  • D. profit and loss account
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23

Price

(N)

Quantity demanded

(kg)

12 200
8 240

 

What is the price elasticity of demand of the commodity from the demand schedule above?

  • A. 0.3
  • B. 0.4
  • C. 0.5
  • D. 0.6
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24

Price

(N)

Quantity demanded

(kg)

12 200
8 240

 

From the demand schedule above, what is the percentage change in price?

  • A. 33.33%
  • B. 40.00%
  • C. 50.00%
  • D. 66.67%
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25

Price

(N)

Quantity demanded

(kg)

12 200
8 240

 

From the demand schedule, what is the percentage change in in quantity demanded?

  • A. 16.67%
  • B. 20.00%
  • C. 40.00%
  • D. 83.33%
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26

Bees are regarded as the friends of the farmer because they 

  • A. usually sting the farmer
  • B. are harmless insects
  • C. help in pollination
  • D. produce nectar for human use
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27

Which of the following diseases is caused by a virus?

  • A. Brucellosis
  • B. Trypanosomiasis
  • C. Rinderpest
  • D. Tuberculosis
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28

Complete eradication of tsetse flies will be an effective control measure for

  • A. aspergillosis
  • B. trypanosomiasis
  • C. fowl pox
  • D. swine fever
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29

Which of the following methods is not used in collecting semen for artificial insemination?

  • A. Massage method
  • B. Use of artificial insemination
  • C. Herd mating of the animals
  • D. Electro-ejaculation method
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30

Vitamin K deficiency in farm animals causes

  • A. night blindness
  • B. sterility in both sexes
  • C. delayed blood clotting
  • D. delayed ovulation
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31

The animal by-product illustrated in the diagram above is not used in making

  • A. fertilizer
  • B. bone meal
  • C. button
  • D. leather
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32

The animal by-product illustrated in the diagram above may be prepared and fed to farm animals as a source of

  • A. sodium
  • B. iron
  • C. calcium
  • D. nitrogen
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33

Which of the following practices ensures that a young animal has resistance against diseases?

  • A. Regular visits to the veterinary doctors
  • B. Giving the animal a maintenance ration
  • C. Regular dipping of animal
  • D. Giving the animal access to colostrums
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34

A farmer observed that all his day-old chicks clustered around the source of heat in a brooder house. This observation is likely due to

  • A. manifestation of a disease outbreak
  • B. thirst because of inadequate water
  • C. poor nutrition
  • D. low temperature
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35

In the diagram illustrated above, chalaza is formed in the part labeled

  • A. I
  • B. II
  • C. III
  • D. IV
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36

In the diagram illustrated above, fertilization takes place in the part labelled

  • A. I
  • B. II
  • C. III
  • D. IV
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37

The diagram above illustrates the digestive tract of a farm animal. Digestion of protein starts in the part labelled

  • A. I
  • B. II
  • C. III
  • D. IV
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38

In the diagram of the digestive tract of a farm animal illustrated above, deamination is a function of the part labelled

  • A. I
  • B. II
  • C. III
  • D. IV
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39

The diagram above is a crop pest. A cultural method used in controlling the pest illustrated is

  • A. spraying with insecticides
  • B. hand-pulling of weeds
  • C. fumigation of store
  • D. early planting
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40

The diagram above illustrates a crop pest. What kind of pest is this?

  • A. A boring insect pest
  • B. A chewing insect pest
  • C. A sucking insect pest
  • D. A piercing insect pest
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41

A groundnut plant showing stunted growth with yellow or mottled leaves is likely to be infected with

  • A. blight
  • B. tikka
  • C. rosette
  • D. anthracnose
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42

An effective method of preventing viral diseases in crops is by

  • A. treating the seeds with fungicides
  • B. practicing crop rotation
  • C. regular spraying of crops
  • D. planting resistant varieties
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