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JAMB Agricultural Science questions: Crop pests and diseases

20 questions with answers and explanations. Tap an option to check yourself.

AllJAMBWAEC
All topicsAgricultural economics and extension · 22Animal pests and diseases · 20Animal reproduction and nutrition · 20Classification and anatomy of farm animals · 19Crop classification and propagation · 18Crop pests and diseases · 20Farm tools and mechanisation · 17Fisheries and aquaculture · 17Forestry · 15Husbandry of field crops · 22Irrigation and drainage · 18Livestock management · 19Meaning and importance of agriculture · 19Soil fertility, manures and fertilisers · 24Soil formation and properties · 21Weeds and weed control · 15

  1. Question 1· Crop pests and diseases· JAMB

    Smut of sorghum is caused by a

    Explanation and discussion

  2. Question 2· Crop pests and diseases· JAMB

    Locusts damage crops by

    Explanation and discussion

  3. Question 3· Crop pests and diseases· JAMB

    The swollen shoot disease of cocoa is spread by

    Explanation and discussion

  4. Question 4· Crop pests and diseases· JAMB

    Fumigation is used mainly to control

    Explanation and discussion

  5. Question 5· Crop pests and diseases· JAMB

    Which of these is a cultural method of pest control?

    Explanation and discussion

  6. Question 6· Crop pests and diseases· JAMB

    Cassava mosaic disease is spread by

    Explanation and discussion

  7. Question 7· Crop pests and diseases· JAMB

    Pests with piercing and sucking mouthparts, such as aphids, are best controlled with

    Explanation and discussion

  8. Question 8· Crop pests and diseases· JAMB

    The cowpea weevil damages

    Explanation and discussion

  9. Question 9· Crop pests and diseases· JAMB

    Groundnut rosette disease is transmitted by

    Explanation and discussion

  10. Question 10· Crop pests and diseases· JAMB

    Which of these is a typical sign of a viral disease in plants?

    Explanation and discussion

  11. Question 11· Crop pests and diseases· JAMB

    Capsids (mirids) on cocoa damage the plant by

    Explanation and discussion

  12. Question 12· Crop pests and diseases· JAMB

    Maize streak virus is transmitted by

    Explanation and discussion

  13. Question 13· Crop pests and diseases· JAMB

    Cassava mosaic disease is caused by a

    Explanation and discussion

  14. Question 14· Crop pests and diseases· JAMB

    The cocoa capsid (mirid) damages cocoa by

    Explanation and discussion

  15. Question 15· Crop pests and diseases· JAMB

    Black pod disease of cocoa is caused by a

    Explanation and discussion

  16. Question 16· Crop pests and diseases· JAMB

    The insect pest that bores into the stems of maize is the

    Explanation and discussion

  17. Question 17· Crop pests and diseases· JAMB

    Root-knot nematodes cause

    Explanation and discussion

  18. Question 18· Crop pests and diseases· JAMB

    Integrated pest management combines

    Explanation and discussion

  19. Question 19· Crop pests and diseases· JAMB

    Grains in storage are mostly damaged by

    Explanation and discussion

  20. Question 20· Crop pests and diseases· JAMB

    Copper-based fungicides are sprayed on cocoa farms mainly to control

    Explanation and discussion

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