Q15 of 465 Page 51

Which one of the following nutrients is not available in fertilizers?

All the fertilizers either contain on of the nutrients from Nitrogen, Phosphorus or Potassium or all the nutrients depending upon the requirement of the crop plants. Iron is not provided by the fertilizers.

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Which one of the following fishes is a surface feeder?

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Animal husbandry is the scientific management of

(i) animal breeding (ii) culture of animals


(iii) animal livestock (iv) rearing of animals

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Preventive and control measures adopted for storage of grains include

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Fill in the blanks

(a) ....are rich in vitamins.


(b) The crops which are grown in rainy season are called … and example is...


(c) ... Crop grows in winter season.


(d) Pigeon pea is a good source of .....


(e) Berseem is an important ...crop