1.

Study the given statements and select the correct answer. (i) Cellulose is a homospolymer 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.A. Statements (i), (ii) and (iii) are correct.B. Statements (i),(ii) and (iv) are correct.C. Statements (ii) and (iii) are correct.D. All statements are correct.

Answer» Correct Answer - D
Starch can hold `I_(2)` (iodine) molecules in the helical portion. The starch-`I_(2)` is blue in colour. Cellulose does not contain complex helices and hence cannot hold `I_(2)` and hence remain colourless.


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