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Question

Collenchyma differs from parenchyma in having

A
Living protoplasm
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B
Cellulose walls
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C
Vacuoles
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D
Pectin deposits at corners
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Solution

The correct option is D Pectin deposits at corners
Simple tissues present in plants are - Parenchyma, collenchyma and sclerenchyma.
In collenchyma cell walls show localized thickenings due to presence of approximately 45% pectin, 35% hemicellulose and 20% cellulose.
Parenchyma cell walls are thin and made up of only cellulose.

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