Q17 / 170 · Manipal (MET) 2018 · Chemistry

Starch is the polymer of

  • Correct answer
    A
    glucose
  • B
    fructose
  • C
    Both (a) and (b)
  • D
    None of these

Solution

Starch is the main storage polysaccharide of plants. It is a polymer of $\alpha$-D-glucose. $\underset{\text { Starch }}{\left(\mathrm{C}_6 \mathrm{H}_{10} \mathrm{O}_5\right)_n} \xrightarrow{\mathrm{H}^{+}} \underset{\text { Maltose }}{\mathrm{C}_{12} \mathrm{H}_{22} \mathrm{O}_{11}} \xrightarrow{\mathrm{H}^{+}} \underset{\text { D-glucose }}{\mathrm{C}_6 \mathrm{H}_{12} \mathrm{O}_6}$

Hence, the correct answer is option: 'A'.

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