The correct option is D Mustard
The Poaceae is a family of flowering plants. This family includes cereal crops such as maize (corn), wheat, rice, barley, and millet. Poaceae constitutes the most economically important plant family in modern times, as it provides forage, building materials (bamboo, thatch) and fuel (ethanol), as well as food. All grasses and paddy come under Poaceae family. Mustard belongs to Brassicaceae family. Thus, option D is correct.