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Question

Crystals of calcium carbonate forming bunches in the epidermal cells of certain leaves are

A
Cystoliths
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B
Raphides
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C
Sphaeraphides
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D
Otoliths
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Solution

The correct option is A Cystoliths
  • Minerals crystals are found in plant cell walls in the form of calcium oxalate, carbonate or silica.
  • Cystoliths refers to the deposition of calcium carbonate in the epidermal cells of leaves of the plants belonging to the genus Acanthaceae and Urticaceae (stinging nettles).
  • So, the correct answer is 'Cystoliths'.

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