Question

a student first keeps a potted plant having green leaves in a dark room for more then 3 days.He then takes out this potted plant from the dark room and places it in bright sunshine for about 3 days.(a) which substance present in the green leaves is all used up when the potted plant is kept in a dark room

Answer 1

Answer:

Photosynthesis is a process in which plants make their food using CO2, O2, and sunlight.  

As the potted plant is placed in the dark for three days, it was unable to make its food (glucose) due to the absence of the sunlight. It has consumed all the starch (stored food) as it was placed in the darkness for three days.  

Answer 2

Answer:

Answer:

Photosynthesis is a process in which

plants make their food using CO2, 02,

and sunlight.

As the potted plant is placed in the dark

for three days, it was unable to make its

food (glucose) due to the absence of the

sunlight. It has consumed all the starch

(stored food) as it was placed in the

darkness for three days.