Find out the correct sentence:
$(i)$ Hybridisation means crossing between genetically dissimilar plants.
$(ii)$ Cross between two varieties is called as interspecific hybridisation.
$(iii)$ Introducing genes of desired character into a plant gives genetically modified crop.
$(iv)$ Cross between plants of two species is called as inter-varietal hybridisation.

  • A
    $(i)$ and $(iii)$
  • B
    $(ii)$ and $(iv)$
  • C
    $(ii)$ and $(iii)$
  • D
    $(iii)$ and $(iv)$

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$(b)$ What name can be given to this type of fish farming?

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$(a)$ $A$ farmer wants to harvest more than two varieties at a time from his crop field. He has no idea about the cropping patterns. Suggest one method to get the desired result. Also,state three advantages of this cropping pattern.
$(b)$ Name any two fodder crops.

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