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Agricultural Science 1992 WAEC Past Questions

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11
The removal of excess water from the soil surface and the upper subsoil is known as
  • A. irrigation
  • B. drainage
  • C. evaporation
  • D. surface turn-off
  • E. dehydration
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12
Which of the following is not an effect of manuring on the soil?
  • A. adding plant nutrients to the soil
  • B. releasing adequate plant nutrients of the appropriate time
  • C. facilitating soil aeration and movement of soil moisture
  • D. enhancing the activities of soil microorganisms
  • E. improving the structure of the soil
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13
A soil with low PH value can be improved by the addition of
  • A. ammonium sulphate
  • B. calcium carbonate
  • C. sodium chloride
  • D. sodium nitrate
  • E. magnesium phosphate
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WAEC offline past questions - with all answers and explanations in one app - Download for free
Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
14
Which of the following factors will cause etiolation in crops?
  • A. law humidity
  • B. high light intensity
  • C. high humidity
  • D. low temperature
  • E. absence of light
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15
Which of the following tools is the best for making seed beds?
  • A. hand fork
  • B. mattock
  • C. shovel
  • D. spade
  • E. axe
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Download WAEC May/June App - Get all past questions and answers, 100% offline - 43208
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts