A student performed the experiment to show that 'light is necessary for photosynthesis.' Before carrying out the test for the presence of starch in a leaf and exposure to sunlight, the leaf is put in a beaker containing alcohol and boiled over a water bath. This step is carried out to :
(A) extract starch
(B) remove the chlorophyll from the leaf
(C) remove water to move into the leaf
(D) activate the chloroplasts
CBSE Class X Science VSA (1 Mark)
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(B) Alcohol decolourises the leaf.
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