Concept:Rabi crops are sown in winter and harvested in spring, and wheat is the major rabi crop in India.
Explanation:Rabi crops are planted around mid-November, after the monsoon rains end, and are harvested in April or May.
They depend on groundwater or irrigation, not monsoon rainfall.
The most important rabi crop in India is wheat.
Other rabi crops include barley, mustard, sesame, and peas.
Maize and groundnut are kharif crops, which are sown in the rainy season.
Watermelon is a zaid crop, grown in the short season between rabi and kharif.
Therefore, among the given options, only wheat is a rabi crop.
Answer:Wheat – Option A.