2. Questions Bank
  3. 9th Class
  4. Science
  5. Improvement in food resources

9th Class Science Improvement in food resources Question Bank 9th CBSE Science Improvement in food resources

  • question_answer
      Weeds are unwanted plants in the cultivated field. Give some methods to eradicate them.    

    Answer:

                      Some methods to remove weeds are (i) Mechanical removal Uprooting, weeding, hand hoeing, ploughing, etc.                    (1) (ii) Preventive   methods   Proper   seed   bed preparation. (a) Timely sowing of crops (b) Intercropping (c) Crop rotation.                                             (1)


You need to login to perform this action.
You will be redirected in 3 sec spinner