Q. Study the given statements and select the correct answer,
(i) Cellulose is a homopolymer of glucose.
(ii) Inulin is a homopolymer of fructose.
(iii) Starch gives blue colour and glycogen gives red colour with iodine solution.
(iv) Cellulose gives no colour with iodine solution.

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Solution:

Starch can hold (iodine) molecules in the helical portion. The starch- is blue in colour. Cellulose does not contain complex helices and hence cannot hold and hence remain colourless.