The correct options are
B Trees grow faster in places that receive sunlight for longer duration.
D Plant growth is stunted in places that receive sunlight for lesser duration.
Photoperiod is the duration of time when an organism receives sunlight during a day. Sunlight is essential for the growth of plants. Trees grow faster in places that receive sunlight for a longer duration. Plant growth is stunted in places that receive sunlight for a lesser duration of time.