Question

4. Answer the following questions in brief
a) On the basis of what factor, living organisms are divided into autotrophs and
b) Why is alcohol not heated directly to remove chlorophyll from the leaves?
c) Why do we add KOH in the bottle in the experiment to demonstrate that
for photosynthesis?
d) Ramesh took two plants. One with green leaves and the other with variegat
experiment to demonstrate the presence of starch. He found that the plant
positive result. Why
e) What is the role of stamota on the surface of leave​

Answer 1

Explanation:

(1) by preparation of their own food

(2)if alcohol is heated directly it will blast (huge flames)

(3)we add KOH because to remove Co2 present inside the bottle

(4)he should keep in dark room for 2-3days

(5) stoma is to for exchange of gaseous