A crop grown in the zaid season refers to a crop that is cultivated during the summer season. This is the period between the harvest of rabi crops (winter crops) and the sowing of kharif crops (monsoon crops).
Option 1: Watermelon - This is the correct answer. Watermelon is a crop that is grown during the zaid season. It requires warm weather and ample sunlight to grow.
Option 2: Soyabean - Soyabean is typically grown during the kharif season. It requires moderate rainfall and cooler temperatures.
Option 3: Maize - Maize is also a kharif crop. It needs well-distributed rainfall and warm weather to grow.
Option 4: Jute - Jute is a rabi crop that is harvested during the winter season.
In conclusion, watermelon is the correct answer as it is grown during the zaid season.