Subject :NSO Class : Class 7
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 photo-synthesis.
B Carbon dioxide is necessary for photo-synthesis.
C Light is necessary for photosynthesis.
D Oxygen is given out during photo-synthesis.
oohhhhhhk
Ans 1:
Class : Class 8
how is b correct???
Ans 2:
Class : Class 7
B is correct because Potassium Hydroxide absorbs C02
Ans 3:
Class : Class 7
Ans 4:
Class : Class 6
Ans 5:
Class : Class 8
b is correct