Question

1. In the experiment CO2 is essential for photosynthesis, KOH is kept
a) to see the chamber
b)to absorb CO2
c) to support the plant while CO2 is absent
d) both be and c​

Answer 1

Answer:

Potassium hydroxide (KOH) absorbs all the available carbon dioxide in the bell jar. As the jar is closed completely, no carbon dioxide is allowed from outside. In this situation, photosynthesis and starch or glucose production are inhibited.