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Question
Raphides are needle-like crystals of calcium oxalate which are specially found in
Raphides are needle-like crystals of calcium oxalate which are specially found in
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Solution
The correct option is A Pistia
Calcium oxalate is an ergastic substance and forms mineral crystals in some plant cells. It forms needle-shaped raphides. Raphides occur in parenchyma cells in the leaves and are generally confined to the mesophyll. It protects plants from animals. Both ends of raphids are needle-like, but tend to be blunt at one end and sharp at the other. Raphides are found in many plants like Pistia. Thus, the correct answer is option A.
Calcium oxalate is an ergastic substance and forms mineral crystals in some plant cells. It forms needle-shaped raphides. Raphides occur in parenchyma cells in the leaves and are generally confined to the mesophyll. It protects plants from animals. Both ends of raphids are needle-like, but tend to be blunt at one end and sharp at the other. Raphides are found in many plants like Pistia.
Thus, the correct answer is option A.
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