For which of the following requirements has humanity been active since the beginning?

Consider the following statements $(I-IV)$ regarding organic farming:
$I.$ Use of genetically modified crops like $Bt$ cotton.
$II.$ Input of naturally produced compost.
$III.$ No use of urea and pesticides.
$IV.$ Production of vitamin and mineral-rich vegetables.
Which of the above statements are correct?

Which of the following is the richest source of plant protein?

Select the correct statement.

Which is the most common plant used as green manure in India?

Statement $A$: High-quality disease-free plants and animals are produced.
Reason $R$: Through animal husbandry and tissue culture,food production can be increased to meet the needs of the growing human population.
Which option is correct for Statement $A$ and Reason $R$?