Which of the following is an incorrect pair?

What are the components that cause damage to crops called?

The three major crops that contribute most to global food grain production are $........$.

The $IARI$,New Delhi has developed several vegetable crops. What are they enriched with?

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?

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