Which of the following plant is LDP ?
Xanthium
Soyabean
Wheat
Tobacco
Short day plants flower when the photoperiod or day length is below a critical period. Most of winter flowering plants belong to this category, i.e. Xanthium, Chrysanthemum, Cosmos bipinnatus, Aster, Dahalia, rice, sugarcane, strawberry, potato, tobacco, soyabean.
Hence the correct option is c.