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General Knowledge :: Agriculture and Soil

  1. Red soil is normally found in India in which regions?

  2. A.

     Eastern region only

    B.

     Southern region only

    C.

     Eastern & southern part of the Deccan Plateau

    D.

     None of these


  3. Of the following statements about the major soil types, the incorrect one is ________

  4. A.

     Alluvial soils are easy to plough

    B.

     Red soils are rich in phosphorus, nitrogen and lime content

    C.

     Laterite is typically a soil of tropical regions which receive heavy seasonal rainfall

    D.

     Black soil is highly retentive of moisture and very productive


  5. The plantation in a huge manner to prevent soil erosion is called

  6. A.

     Shelter Belts

    B.

     Contour Farming

    C.

     Strip Farming

    D.

     Forestation


  7. Which of the following indicates the types of soil erosion in decreasing order of damage caused In India

  8. A.

     Ravine erosion .and gullies, alkalinity and salinity weeds and water-logging

    B.

     Alkalinity and water-logging, ravine erosion and weeds

    C.

     Water-logging, weeds, salinity and ravine erosion

    D.

     All are equally damaging


  9. Peaty soil is found in ________

  10. A.

     Kerala

    B.

     Kashmir

    C.

     Assam

    D.

     Gujarat


  11. Salinization occurs when the irrigation water accumulated in the soil evaporates, leaving behind salts and minerals. What are the effects of salinization on the irrigated land?

  12. A.

     It greatly increases the crop production

    B.

     It makes some soils impermeable

    C.

     It raises the water table

    D.

     It fills the air spaces in the soil with water


  13. How can soil erosion be controlled on hill slopes?

  14. A.

     Forestation

    B.

     Step farming

    C.

     Strip cropping

    D.

     Linear contour ploughing


  15. The red colour of red soil is due to

  16. A.

     Nitrogen

    B.

     Humus

    C.

     Iron

    D.

     Copper


  17. Which of the following soils is best suited for cotton?

  18. A.

     Regur

    B.

     Alluvial

    C.

     Red

    D.

     Clayey


  19. Black soil derived from volcanic rocks with humus is suitable for growing

  20. A.

     Rice

    B.

     Wheat

    C.

     Cotton

    D.

     Grapes