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Question

Between the bark and the wood in a woody stem, there is a layer of meristem called:


A
Zone of cell division
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B
Vascular cambium
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C
Cork cambium
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D
Both B and C
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Solution

The correct option is D Both B and C
Cambium is a kind of meristem which is most active in woody plants and it lies between the bark and wood of the stem. The vascular cambium forms tissues that carry water and nutrients throughout the plant. On the outer surface, the vascular cambium forms new layers of phloem, and on the inner surface, new layers of xylem. The cork cambium creates cells that eventually become bark on the outside and cells that add to the cortex on the inside. In woody plants, the cork cambium is part of the periderm. So, the correct answer is "both vascular and cork cambium".

Biology

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