Which is correct in respect of dry land farming?

These regions grow hardy and drought resistant crops such as Ragi, Baja, moong, gram and guar (fodder crops)

The correct answer is option 2: These regions grow hardy and drought resistant crops such as Ragi, Baja, moong, gram and guar (fodder crops)

• Dry land farming is largely confined to the regions having annual rainfall less than 100 cm. — False.  In India, dryland farming is strictly confined to regions receiving an annual rainfall of less than 75 cm (not 100 cm).
• These regions grow hardy and drought resistant crops such as ragi, bajra, moong, gram and guar. — Correct. These crops require less water and are suitable for dry conditions.

NCERT: In India, the dry land farming is largely confined to the regions having annual rainfall less than 75 cm. These regions grow hardy and drought resistant crops such as Ragi, Baja, moong, gram and guar (fodder crops) and practise various measures of soil moisture conservation and rain water harvesting.