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JAMB and WAEC Agricultural Science questions: Soil formation and properties

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

AllJAMBWAEC
All topicsAgricultural economics and extension · 41Animal pests and diseases · 38Animal reproduction and nutrition · 38Classification and anatomy of farm animals · 37Crop classification and propagation · 36Crop pests and diseases · 39Farm tools and mechanisation · 35Fisheries and aquaculture · 35Forestry · 33Husbandry of field crops · 41Irrigation and drainage · 36Livestock management · 37Meaning and importance of agriculture · 36Soil fertility, manures and fertilisers · 43Soil formation and properties · 39Weeds and weed control · 33

  1. Question 1· Soil formation and properties· JAMB

    Liming acidic soil helps by

    Explanation and discussion

  2. Question 2· Soil formation and properties· JAMB

    A soil with pH 4.5 is

    Explanation and discussion

  3. Question 3· Soil formation and properties· JAMB

    The soil water that plants can readily absorb is mainly

    Explanation and discussion

  4. Question 4· Soil formation and properties· JAMB

    A soil profile is

    Explanation and discussion

  5. Question 5· Soil formation and properties· JAMB

    A soil pH of 5.0 shows that the soil is

    Explanation and discussion

  6. Question 6· Soil formation and properties· JAMB

    Which instrument is used to measure the pH of a soil sample?

    Explanation and discussion

  7. Question 7· Soil formation and properties· WAEC

    In a soil profile, the top layer rich in humus is the

    Explanation and discussion

  8. Question 8· Soil formation and properties· JAMB

    Loamy soil is best for most crops because it

    Explanation and discussion

  9. Question 9· Soil formation and properties· WAEC

    Which soil type has the largest particles?

    Explanation and discussion

  10. Question 10· Soil formation and properties· WAEC

    Which rock type forms from cooled magma and weathers to give the parent material of many soils?

    Explanation and discussion

  11. Question 11· Soil formation and properties· JAMB

    Which of these is NOT a factor of soil formation?

    Explanation and discussion

  12. Question 12· Soil formation and properties· WAEC

    Soil texture can be estimated in the field by

    Explanation and discussion

  13. Question 13· Soil formation and properties· WAEC

    A soil with a pH of 4.5 is

    Explanation and discussion

  14. Question 14· Soil formation and properties· WAEC

    Soil formed from the breakdown of rocks in its original place is

    Explanation and discussion

  15. Question 15· Soil formation and properties· WAEC

    Clay soils hold a lot of water because they have

    Explanation and discussion

  16. Question 16· Soil formation and properties· WAEC

    Soil formed from material deposited by rivers is

    Explanation and discussion

  17. Question 17· Soil formation and properties· JAMB

    A soil that holds water well but is poorly aerated and sticky when wet is

    Explanation and discussion

  18. Question 18· Soil formation and properties· WAEC

    The capacity of soil to hold water is greatest in

    Explanation and discussion

  19. Question 19· Soil formation and properties· JAMB

    The deposition in the B horizon of materials washed down from the A horizon is

    Explanation and discussion

  20. Question 20· Soil formation and properties· WAEC

    The best soil for most crops is

    Explanation and discussion

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