The correct option is C Both assertion(A) and reason(R) are true, but reason(R) is not the correct explanation for assertion.
Correct answer: (b) Both assertion(A) and reason(R) are true, but reason(R) is not the correct explanation for assertion.
• Paddy is called a Kharif crop since it gets cultivated in the rainy season.
• Paddy is cultivated in the rainy season because its growth requires retention/large amounts of water.
• Hence the correct option is (b).