Question

before carrying out the test for presence of starch in a leaf ,the leaf is kept in alcohol contained in a beaker and boiled over a water bath this step is required to
a)extract starch
b)dissolve chlorophyll
c)make membranes of leaf cells are more permeable
d)allows water to move into leaf​

Answer 1

Answer:

the answer is option b

it is so because when chlorophyll is dissolved the leaf becomes colourless and when you apply indicator on the leaf you will easily detect the colour change due to presence of starch

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