Select the correct statement $(s)$
$(1)$ $IARI$ has released a mustard variety rich in vitamin $C$.
$(2)$ Pusa Sawani variety of Okra is resistant to aphids.
$(3)$ Hairiness of leaves provides resistance to insect pests.
$(4)$ Agriculture accounts for approximately $33\%$ of India's $GDP$ and employs nearly $62\%$ of the population.
$(1)$ and $(2)$
$(2)$ and $(3)$
$(1),\,(3)$ and $(4)$
None of these
A genetically engineered microorganism used successfully in bioremediation of oil spills is a species of
A novel strategy was adopted to prevent Meloidegyne incognitia infection in tobacco plants that was based on the process of
In Bt cotton, the toxin is coded by a gene named ...........
Bt toxin kills the insect by
Removal of which chain results in maturation of proinsulin to insulin?