The shorter duration crops help the farmer:

Sidak,when visiting a supermarket,was surprised to see yellow,green,and red-coloured capsicum available in the stalls. It was a drastic change in the quality and quantity of capsicum.
$(a)$ What is this change due to?
$(b)$ How are such crops produced?

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

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.

What do you mean by:
$(a)$ Blue revolution?
$(b)$ Yellow revolution?

$(i)$ List three factors on which cultivation practices and crop yield depend.
$(ii)$ Name three stages involved in farming practices.