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

22

Which of the following statement about slatted floors in livestock housing are true? They
I.lessen labour requirements
II.reduce odour in pens
III.hamper movement of animals

  • A. I and II only
  • B. I and III only
  • C. II and III only
  • D. I,II and III
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23

The best way for a young animal to obtain colostrum is by

  • A. giving it powdered milk
  • B. providing it with warm milk
  • C. injecting it with progesterone
  • D. allowing it to suckle the dam
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24

Which of the following features is not a characteristic of a good layer

  • A. Bright red comb and wattle
  • B. Long and curved beak
  • C. Bright and bulging eyes
  • D. Broad and flexible pelvic bone
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25

The breeds of cattle resistant to trypanosomiasis are

  • A. N'dama and moturu
  • B. White fulani and biu
  • C. Red bororo and adamawa
  • D. Wadara and sokoro gudali
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26

Which of the following groups of insect pests damages crops by bitting and chewing?

  • A. cotton stainer, armyworm and cricket
  • B. cricket, mealybug, and whitefly
  • C. armyworm, termite nd grasshopper
  • D. cotton stainer, mealybug and termite
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27

The causative organism of maize rust is a 

  • A. bacterium
  • B. protozoon
  • C. virus
  • D. fungus
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28

A suitable grass for lawns is 

  • A. Andropogon gayanus
  • B. Pennisetum purpureum
  • C. Cynodon dactylon
  • D. Panicum maximum
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29

The basic importance of agriculture to a forester is to 

  • A. obtain honey
  • B. obtain food
  • C. acquire labour
  • D. procure timber
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30

The diagram below illustrates a farm operation. Study it and answer this question.
Open photo

Crops which require the illustrated farm operation are

  • A. yam and cowpea
  • B. tomato and okro
  • C. okro and pepper
  • D. tomato and yam
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31

The diagram below illustrates a farm operation. Study it and answer this question.
Open photo

Which of the following statements is not a reason for carrying out the illustrated farm operation? To

  • A. expose the leaves to sunlight
  • B. prevent damage by rodents
  • C. improve the yield of the crop
  • D. prevent lodging of the plants
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32

Elaeis guineensis and Arachis hypogaea are examples of

  • A. latex crops
  • B. oil crops
  • C. fibre crops
  • D. fruit crops
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33

Propagation of ginger is generally done using it’s

  • A. corn
  • B. rhizome
  • C. sucker
  • D. seed
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34

Two species of kola grown for commercial purposes in West Africa are

  • A. Cola acuminata and cola gigantea
  • B. Cola nitida and cola verticillata
  • C. Cola nitida and cola acuminata
  • D. Cola verticillata and cola gigantea
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35

A plot of land devoted to the cultivation of fruit  trees is called

  • A. orchard
  • B. farmstead
  • C. forest
  • D. ranch
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36

Okro seeds are sown on 0.72 hectares of farmland at a spacing of 60cm. Calculate the expected plant population 

  • A. 3,600 plants
  • B. 7,200 plants
  • C. 10,000 plants
  • D. 20,000 plants
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37

The botanical name of onion is

  • A. Zea mays
  • B. Oryza sativa
  • C. Carica papaya
  • D. Allium cepa
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38

Yam stored in a barn should be inspected at least once a week in order to

  • A. remove irregular shaped tubes
  • B. control termite attack
  • C. prevent mouldiness in yam
  • D. remove sprouts and rotten tubers
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39

Drying of newly harvested grains before storage helps to increase the 

  • A. moisture content
  • B. pest incidence
  • C. seed viability
  • D. nutrient content
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40

The following factors are essential for maize production except 

  • A. high temperature
  • B. low temperature
  • C. relative humidity
  • D. adequate rainfall
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41

The phosphorus cycle is described as being sedimentary because phosphorus 

  • A. is a macroelement
  • B. is an earthbound element
  • C. is solid at room temperature
  • D. occurs in the atmosphere
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42

A farmer practices crop rotation in order to

  • A. reduce yield
  • B. improve soil texture
  • C. increase pest incidence
  • D. improve soil fertility
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