Priyanka took a destarched potted plant
and set-up an experiment as shown in
the figure. She left the plant in sunlight
for few hours and then tested the leaves
X and Y for starch. Leaf X did not give
starch test while leaf Y showed presence
of starch.
What is proved by this experiment?
A Chlorophyll is necessary for photosynthesis.
B Carbon dioxide is necessary for photosynthesis.
C Sunlight is necessary for photosynthesis.
D Oxygen is given out during photosynthesis.
How I can t understand