Question

In the experiment to show that light is necessary for photosynthesis, some of the steps of the experiment deal with the following activities
I. Starch reacts with iodine and gives blue-black colour
II. Chlorophyll is dissolved in ethanol
III. Hot water makes leaf tissue soft
The correct sequence of these steps is (1) I–II–III
(2) II–III–I
(3) III–II–I
(4) I–III–II

Answer 1

Answer:

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Answer 2

Answer:

3

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