Choose the correct statements.
A. Dicot root has more extensive pith than monocot root.
B. Organised and extensive pith is seen in dicot stem but not in monocot stem
C. Primary xylem of root shows exarch condition and in stem it is endarch condition.
D. Vascular bundles of dicot root are open and in monocot stem closed vascular bundles.

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Both A and B are correct

Both B and C are correct

Both A and D are correct

Both B and D are correct.

answer is B.

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Detailed Solution

Vascular bundles of both monocot and dicot roots are closed as they do not have cambium between xylem and phloem. Monocot root has more extensive pith than dicot root. Primary xylem of stem is endarch and in root exarch. Pith is more and organised in dicot stem and not organised in monocot stem.

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