9th Class Science Improvement in food resources Question Bank Improvement in Food Resources

  • question_answer
    Complete the given statements by selecting the correct words from the options given below.
    (a) ___(i)___ is a kind of manure which is prepared in the field itself to enrich soil with nitrogen and phosphorus.
    (b) ___(ii)___ is a draught breed of cattle.
    (c) In ___(iii)___ water escapes from revolving nozzle and falls like rain on the crops.
    (d) ___(iv)___ is the process of crossing individuals of two different species to produce hybrid.
     

    A)
    (i) (ii) (iii) (iv)
    Vermicompost Malvi Drip irrigation Intravarietal hybridisation
                   

    B)
    (i) (ii) (iii) (iv)
    Farm yard manure Sahiwal Chain pump Intervarietal hybridisation
                   

    C)
    (i) (ii) (iii) (iv)
    Compost Gir Moat Intraspecific hybridisation
                   

    D)
    (i) (ii) (iii) (iv)
    Green manure Nageri Sprinkler system Interspecific hybridisation

    Correct Answer: D


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