MCQ
Cellulose does not form blue colour with lodine because
- AIt breaks down when iodine reacts with it
- BIt is a disaccharide
- CIt is a helical molecule
- ✓It does not contain complex helices and hence cannot hold iodine molecules
Option $(1), (2)$ and $(3)$ are not correct as cellulose is a polysaccharide.
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$Y -$ In $PS -II$ it has absorption maxima at $700\, nm.$
| $(a)$ Ophura | $(i)$ Mollusca |
| $(b)$ Physalia | $(ii)$ Platyhelminthes |
| $(c)$ Pinctada | $(iii)$ Echinodermata |
| $(d)$ Planaria | $(iv)$ Coelenterata |
Select the correct option