Question

4. Saurabh wanted to dissolve the
chlorophyll of the experimental leaf
in order to perform the starch test.
His teacher advised him to use a
water bath to heat the alcohol. Can
you tell why the teacher advised him
so?
​

Answer 1

Answer:

boil the leaf into the water

Answer 2

the colour of leaves is green due to the presence of green pigment called chlorophyll.

because the blue black colour of the exposed part of the leaf is due to the presence of starch the absence of starch is the covered part of the leaf visit in the yellow brown colour.

conclusion for cells of stars so that photosynthesis did not take place in the part of the leaf was deprived of sunlight this shows that the sunlight is necessary for photosynthesis