Soya bean is sown in the month of June and early onset of monsoon ruins the crop. Why?

1. Heavy rainfall has adverse effects on seed germination.
2. Heavy rainfall leads to rotting of seedlings.
3. Soya bean is a rainfed crop.
4. All of the above.

Before sowing soya bean seeds are covered with jaggery and rhizobium. Why?

1. Jaggery acts as a binding agent for the nitrogen fixing bacteria and the seed.
2. Jaggery is rich in nutrients like iron and magnesium.
3. Jaggery is a natural soil conditioner.
4. All of the above.

Which is a soil exhausting crop with time-sensitive processing requirements?

1. Groundnut
2. Sugarcane
3. Soya bean
4. Mustard

Name the crop that is a Kharif crop in most of India but a summer crop in Tamil Nadu.

1. Sugarcane
2. Groundnut
3. Soya bean
4. Mustard