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Question

Floridean starch occurs in

A
Myxophyceae
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B
Chloropohyceae
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C
Rhodophyceae
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D
Phaeophyceae
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Solution

The correct option is B Rhodophyceae
  • Floridian starch is the characteristic photosynthetic reserve substance of red algae, occurring abundantly in certain basin-shaped grain cells.
  • Most Rhodophyceae store starch outside the chloroplast, often as a cap over a bulging pyrenoid.
  • The major carbohydrate storage product of red algae is a type of starch molecule (Floridean starch), that is more highly branched than amylopectin. Floridian starch is stored as grains outside the chloroplast.
Thus, the correct answer is option C.

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