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

22

A footbath on a poultry farm contains

  • A. herbicides
  • B. antiseptics
  • C. antibiotics
  • D. disinfectants
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23

The common name for Andropogon gayanus is

  • A. Elephant grass
  • B. Northern gamba grass
  • C. Guinea grass
  • D. Giant star gass
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24

Fowls is are debeaked in order to

  • A. reduce feed intake
  • B. make them grow faster
  • C. reduce cannibatlism
  • D. vitamin A
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25

Pigs wallow in muddy pools of water primarily to

  • A. ensure adequate exercise
  • B. obtain forage materials
  • C. dislodge ectoparasite from their body
  • D. lower their body temperature
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26

The main objective of flushing in animal production is to

  • A. promote muscle development
  • B. make parturition easier
  • C. promote multiple births
  • D. make the animal lose weight
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27

Control average gestation period in rabbits is

  • A. 21 days
  • B. 26 days
  • C. 31 days
  • D. 36 day
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28

The correct sequence of the passage of feed through the digestive system of a ruminant is

  • A. reticulum → omasum → abomasum → rumen
  • B. rumen → omasum → abomasum → reticulum
  • C. omasum → abomasum → rumen → reticulum
  • D. rumen → reticulum → omasum → abomasum
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29

Control of maize stem borer is most effective when

  • A. affected crops are uprooted and burnt
  • B. rodenticides are applied
  • C. nematicides are applied
  • D. fertilizers are applied before planting
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30

The average gestation period in rabbits is

  • A. 21 days
  • B. 26 days
  • C. 31 days
  • D. 36 days
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31

Control of maize stem borer is most effective when

  • A. affected crops are uprooted and burnt
  • B. rodenticides are applied
  • C. nematicides are applied
  • D. ferilizers are applied before planting
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32

Weeds which produce large hollow seeds would most likely be dispersed by

  • A. wind
  • B. water
  • C. insect
  • D. explosion
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33

Cultural control of crop diseases involves the following practices except

  • A. practising crop rotation
  • B. planting disease resistant varieties
  • C. using insecticides
  • D. fallowing of farmland
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34

An example of fungal disease of stored grain is

  • A. mould
  • B. streak
  • C. mosaic
  • D. damping off
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35

Causal organismss of diseases in crop production do not include

  • A. viruses
  • B. bacteria
  • C. fungi
  • D. protozoa
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36

Calculate the amount of maize seeds required by a farmer to cultivate 5 hectares of farmland at the recommended seed rate of 25kg/hectare

  • A. 50kg
  • B. 75kg
  • C. 100kg
  • D. 125kg
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37

The offspring which will result from a cross between heterozygous and homozygous dominant plants will be

  • A. 100% heterozygous
  • B. 70% heterozygous
  • C. 50%heterozygous
  • D. 20%heterozygous
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38

A farm produce which does not require fermentation during processing is

  • A. cocoa beans
  • B. coffee beans
  • C. cassava tubers
  • D. rice grains
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39

Which of the following statements about budding is not true? The resulting crops

  • A. can withstand adverse climatic conditions
  • B. flower and bear fruit early
  • C. develop broader leaves for photosynthesis
  • D. are more disease resistant
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40

The following plants are forage grasses except

  • A. Pennisetun purpureum
  • B. Panicum maximum
  • C. Axonopus compressus
  • D. Calopogonium mucunoides
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41

Theobroma cacao grows best in the

  • A. sudan savannah zone
  • B. humid rain forest zone
  • C. mangrove swamp forest zone
  • D. northern guinea savannah zone
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42

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

  • A. lime fertilizer
  • B. nitrogenous fertilizer
  • C. phosphate fertilizer
  • D. potassium fertilizer
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