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

  • question_answer
      Match the following and write the complete sentences giving one additional information about the sentence.            
    1.Black gram (a)are grown from November to April.
    2.Rabi crops (b)is a farming system with minimal or no use of chemical and maximum input of organic manure.
    3.Nitrogen phosphorus. Potassium, calcium, magnesium, sulphur (c)include insecticide, herbicide and fungicides,
    4.Organic farming (d) is a protein yielding pulses.
    5.Pesticides (e)are all macronutrients.

    Answer:

         
    1.Black gram (a)are grown from November to April.
    2.Rabi crops (b)is a farming system with minimal or no use of chemical and maximum input of organic manure.
    3.Nitrogen phosphorus. Potassium, calcium, magnesium, are sulphur (c)include insecticide, herbicide and fungicides,
    4.Organic farming (d) is a protein yielding pulses.
    5.Pesticides (e)are all macronutrients.
    Complete sentences are as follows (i) Black gram is a protein yielding pulses. These are the crop that fulfil the protein requirement of our body. (ii) Rabi crops are grown from November to April. They are grown in winter season, e.g., wheat, gram, etc. (iii) Nitrogen, phosphorus, potassium, calcium, magnesium   and   sulphur   are   all macronutrients. They are required in large quantity by the plants. (iv) Organic farming is a farming systems with minimal or no use of chemical and maximum input of organic manure. This farming is done involving bioferrilisers. (v) Pesticides include insecticides, herbicides and fungicides. These chemicals are sprayed on crop plants or used for treating seeds and soil.                                                                          (3)


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