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Question

Raphides can be traced in

A
Colocasia
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B
Cucurbita
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C
Ficus
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D
Mangifera
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Solution

The correct option is A Colocasia
  • Raphides are needle shaped crystals made up of calcium oxalate.
  • They have sharp ends. They are involved in the defense mechanism for plants against predators.
  • When tissues with raphides are consumed by predators, the predator's throat can get injured because of the raphide's sharp ends.
  • Some raphides contain toxins too. Such raphides can inject toxin into the herbivore's skin. Raphides are found in Colocasia.

Thus, the correct answer is option A.

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