Home ยป Past Questions ยป Agricultural-science ยป Jamb ยป 2020 ยป Page 2
22

To which of the following crops does the term ‘ginning’ apply?

  • A. kenaf
  • B. cocoa
  • C. groundnut
  • D. cotton
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23

Which of the following groups of crops requires a nursery?

  • A. cotton,sorghum and tomato
  • B. oil palm, cocoa and tomato
  • C. cocoa, maize and rice
  • D. banana, coffee and tomato
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24

Cassava is mainly propagated by

  • A. seedlings
  • B. layering
  • C. budding
  • D. cuttings
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25

An example of grain legume is

  • A. pea
  • B. maize
  • C. sorghum
  • D. millet
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26

What is the main use of a gunter’s chain?

  • A. taking measurement of distance
  • B. determining the depth of soil moisture
  • C. calculating the slope of the land
  • D. restraining bulls
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27

The most efficient irrigation method on large scale farms involve the use of

  • A. overhead irrigation facilities
  • B. flooding system
  • C. underground porous pipes
  • D. shadoof system
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28

Which of the following sources of farm power is most flexible and adaptable to farm operations?

  • A. animal power
  • B. wind power
  • C. human power
  • D. solar power
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29

Farm surveying can be defined as the

  • A. leveling of land during road construction
  • B. sighting of structures through a theodolite
  • C. making measurements on land from which maps are drawn
  • D. estimation of the type and properties of soil on a farm
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30

Which of the following is not a source of farm power?

  • A. wind
  • B. bull
  • C. tractor
  • D. plough
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31

Marketing processes do not include

  • A. production
  • B. assembling
  • C. distribution
  • D. processing
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32

Given a normal situation, what effect will an increase in the supply of cowpea have on its market price? The price

  • A. increases
  • B. decreases
  • C. is unaffected
  • D. is unpredictable
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33

Artificial scarcity of agricultural produce is often caused by the following marketing agents except

  • A. farmers
  • B. wholesalers
  • C. middlemen
  • D. co-operatives
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34

The quantity of rice that a consumer is willing and able to buy during a given period is simply the consumer’s

  • A. demand for rice
  • B. elastic limit
  • C. supply of rice
  • D. preference for rice
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35

Capital in agriculture includes the following item except

  • A. tree crops
  • B. livestock
  • C. labour
  • D. machinery
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36

Agricultural uses of land include

  • A. silviculture
  • B. mining
  • C. housing
  • D. transportation
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37

Government agricultural policies include the following except

  • A. increasing the production of food crops and animals
  • B. increasing the efficiency of production of export crops
  • C. supplying raw materials for use in local industries
  • D. increasing the number of peasant farmers
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38

The recommended agricultural practice in farm settlement scheme is

  • A. poultry farming
  • B. continuous cropping
  • C. mixed farming
  • D. cash crop production
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39

In subsistence agriculture,

  • A. yields are usually high
  • B. surplus produced is small
  • C. savings are made
  • D. farm sizes are large
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40

The primary role of agriculture is the provision of

  • A. foreign exchange earnings
  • B. raw materials for industries
  • C. food for man and his animals
  • D. employment and income for farmers
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41

From the curve above, at what point is it advisable for the farmer to stop further addition of input?
 

  • A. I
  • B. II
  • C. III
  • D. IV
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42

Study the diagram above and answer question
The farm tool associated with the diagram above is
 

  • A. Knife
  • B. Secateurs
  • C. Shears
  • D. Cutlass
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