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).