Cultivation of hybrids has:

In maize hybrids that had twice the amount of the amino acids,...........,compared to existing maize hybrids were developed.

Cotton varieties with smooth leaves and nectar-less traits do not attract which of the following?

Which components must be present in abundant quantities in biofortified crops to improve public health?

Vitamin $A$ enriched .........,.............. and ........

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.