The leaf of Colocasia stores .......... as a metabolic waste.
A
Calcium oxalate crystals
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B
Calcium carbonate crystals
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C
Gums
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D
Resins
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Solution
The correct option is B Calcium oxalate crystals Colocasia is a perennial plant with large leaves.
It produces crystals of calcium oxalate as metabolic wastes ns these are usually stored in leaves and storage organs such as cortex and pith.
It is generally formed in the specialized cells known as idioblast cells. The formation of calcium oxalate crystals is a mechanism to regulate the bulk calcium present.
So, the correct option is 'Calcium oxalate crystals'