Which of the following is $NOT$ useful for increasing agricultural production?

Which of the following statements is incorrect?

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?

What are three options to increase food production? Discuss each, giving the salient features, merits, and demerits.

How do you express the meaning of words like race,breed,cultivars or variety?

By the turn of the twentieth century,the fertilizer consumption in India was expected to reach: