Consider the following statements

I. Maharashtra has the highest area under jowoar in India.
II. Gujarat is the largest producer of groundnut in India.
III. Rajasthan has the largest area of cultivable wastelands in India.
IV. Andhra Pradesh has the highest per hectare yield of maize in India.

Which of the statements given above are correct?

 Match List-I (Crops) with List-II (Producing State) and select the correct answer using the codes given below.

With reference to soil conservation, consider the following practices:
1.Crop relation.
2.Sand fences
3. Terracing
4. Wind breaks
Which of the above are considered appropriate methods for soil conservation in India?

Consider the following statements
1. India is the original home of the cotton plant. 
2. India is the first country in the world to develop hybrid cotton variety leading to increased production. 
Which of the statements given above is/are correct? 

Though coffee and tea both are cultivated on hill slopes, there is some difference between them regarding their cultivation. In this context, consider the following statements

I. Coffee plant requires a hot and humid climate of tropical areas whereas tea can be cultivated in both tropical and subtropical areas.
II. Coffee is propagated by seeds but tea is propagated by stem cuttings only.

Which of the statements given above is/are correct?

Tamil Nadu is a leading producer of mill-made cotton yarn in the country. What could be the reason?

I. Black cotton soil is the predominant type of soil in the state.
II. Rich pool of skilled labour is available.

Which of the statements given above is/are correct?