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

22

In farm animals, a sign of heat includes

  • A. profuse salivation
  • B. secretions from the vulva
  • C. difficulty in breathing
  • D. continuous urination.
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23

The process of mating in poultry is referred to as

  • A. servicing
  • B. kidding
  • C. tupping
  • D. treading
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24

Which of the following farm animals is
considered as monogastric?

  • A. Goat.
  • B. Pig.
  • C. Cow.
  • D. Sheep.
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25

A female cattle which has not had a calf or
developed into the mature form of a cow is
referred to as

  • A. stag
  • B. vealers
  • C. yealing
  • D. heifer
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26

The breed of sheep that can be found
throughout Nigeria is

  • A. Yankasa
  • B. Uda
  • C. West Africa dwarf sheep
  • D. Balami.
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27

The Mendelian law of segregation states that
the characteristics which is hidden in an F1,
reappears in F2 generation in a ratio

  • A. 1 : 2
  • B. 2 : 2
  • C. 1 : 3
  • D. 3 : 2
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28

The fertility of soils under forest is sustained
mainly by

  • A. nutrient recycling
  • B. rodent activities
  • C. being protected from direct rays of the sun
  • D. preventing raindrops from directly hitting the soil.
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29

A serious pest of sweet potato whose larvae
destroy the foliage is

  • A. leaf miners
  • B. weevils mea
  • C. mealy bugs
  • D. aphids.
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30

Cassava mosaic disease is transmitted by

  • A. Heteroligus meles
  • B. Maruca testulalis
  • C. Sesamia spp
  • D. Bemisia nigerensis
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31

An advantage of weeds is that they are used to

  • A. control insect pest
  • B. check grazing by animals
  • C. check erosion
  • D. control diseases.
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32

Floriculture deals with the study of

  • A. flowers
  • B. fossils
  • C. weeds
  • D. insects
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33

Forages that are chopped green and fed directly
to livestock are referred to as

  • A. hay
  • B. silage
  • C. fodder
  • D. soilage.
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34

Jute and kenaf thrive well in a soil that is

  • A. clayey
  • B. sandy loam
  • C. clayey loam
  • D. humus.
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35

The most suitable planting pattern for a
mechanized farm which is mono cropped is

  • A. band placement
  • B. drilling
  • C. top dressing
  • D. side dressing
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36

Which of the following parts of plants are
normally used for vegetative propagation?

  • A. Fruit, leaf and root.
  • B. Stem, root and leaf.
  • C. Fruit, leaf and flower
  • D. Leaf, flower and stem.
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37

Self-pollination takes place when grains are
transferred from the

  • A. stigma to the anther of another plant
  • B. stigma to the anther of same plant
  • C. anther to the stigma of same plant
  • D. anther to the stigma of another plant.
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38

Use the diagram below to this answer

This type of root is associated with

  • A. nitrogen fixation
  • B. photosynthesis
  • C. storage of organic acids
  • D. storage of minerals
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39

Use the diagram below to this answer

The structure labeled I represents a

  • A. root tuber
  • B. groundnut
  • C. root nodule
  • D. root hair.
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40

The kind of tillage method most suitable for
maize is

  • A. zero tillage
  • B. minimum tillage
  • C. maximum tillage
  • D. contour ridges
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41

A farming practice that encourages the depletion of soil fertility is

  • A. planting of cover crops
  • B. crop rotation
  • C. manual weeding
  • D. continuous cropping
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42

The most devastating agent of erosion is

  • A. wild wind
  • B. slope
  • C. run-off water
  • D. rodents.
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