$IVRI$ and $IARI$ are associated with which of the following respectively?

The contribution of India and China to the world farm produce is only: (in $;\%$)

Consider the following statements about organic farming:
$I.$ Organic farming promotes the use of crop rotations and cover crops and encourages balanced host/predator relationships.
$II.$ Integrated pest and weed management and soil conservation systems are valuable tools on an organic farm.
$III.$ Organic farming protects the environment,minimizes soil degradation and erosion,and decreases pollution.
Which of the statements given above are correct?

Match the following columns correctly:

Column-$I$	Column-$II$
$(A)$ Worker	$(i)$ Only reproductive function
$(B)$ Queen	$(ii)$ Only reproductive female in the colony
$(C)$ Drone	$(iii)$ Sterile female bee
$(D)$ Major Carp	$(iv)$ Mrigal

What is the practice of alternating leguminous crops with forage crops to improve soil structure and fertility called?

$(a)$ Mutations are beneficial for plant breeding. Taking an example,justify the statement.
$(b)$ Discuss briefly the technology that made us self-sufficient in food production.