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Improvement in Food Resources — Science STD 9 — Question

CBSE BoardEnglish MediumSTD 9ScienceImprovement in Food Resources1 Mark
MCQ
Manures and fertilizers are used to ensure:
  • A
    High productivity
  • B
    High fertility
  • C
    Crop variety
  • D
    Both A and B
✓

Answer

  1. Both A and B

Explanation:

Manure is a natural product which is obtained from by decaying of animal waste. The fertiliser is an organic matter that is added up to the soil. Both manure and fertilisers help to increase the soil fertility, increase the nutrients in the soil as manure are rich in minerals and both help in increase of crop production.

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