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Why is excess use of fertilisers detrime...

Why is excess use of fertilisers detrimental for environment?

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Hints. Fertilizers, when used in excess quantities, result in environmental pollution as their residues and excess amounts become pollutants in water, soil and in air.
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PRADEEP-IMPROVEMENT IN FOOD RESOURCES -MCQ
  1. List out some useful traits in improved crop ?

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  2. Why is organic matter important for crop production?

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  3. Why is excess use of fertilisers detrimental for environment?

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  4. Give one word for the following (a) Farming without the use of chemi...

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  5. A is an improved breed of cattle and B is an improved breed of chicken...

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  6. If there is low rainfall in a village throughout the year. What measur...

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  7. Group the following and tabulate them as energy yielding protein yield...

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  8. Define the term hybridisation and photoperiod.

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  9. Fill in the blanks (a) Photoperiod affect the "" (b) Kharif crops...

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  10. Cultivation practices and crop yield are related to environmental cond...

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  11. Fill in the blanks (a) A total of "" nutrients are essential to pla...

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  12. Differentiate between compost and vermicompost?

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  13. Arrange these statements in corrent sequence of preparation of green ...

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  14. In agricultural practices, higher input gives higher yield. Discuss ho...

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  15. Discuss the role of hydridisation in crop improvement.

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  16. Discuss various methods for weed control.

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  17. Give the merits and demerits of fish culture?

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  18. What do you understand by compositie fish culture?

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  19. Why bee keeping should be done in good pasturage?

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  20. Write the modes by which insects affect the crop yield.

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