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Identity the incorrect statement

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Sap wood is involved in conductin of water and minerals from root to leaf

Due to deposition of tannins, resins, oils etc, heart wood is dark incolour

Heart wood does not conduct water but gives mechanical support

The oldest layer of secondary phloem in woody dicot stem is located just outside to vascular cambium

answer is D.

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The oldest layer of secondary phloem in woody dicot stem is located just inner to primary phloem

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