During the period $1960$ to $2000$,the production of rice increased from ..........

Which of the following statements about vegetative reproduction is incorrect?

Which of the following methods can be used to meet the food requirements of the growing human population?

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?

$A$ : Goat is called 'poor man's cow'.
$R$ : It yields only a small quantity of milk.

Find the mismatched pair: