Two cross-sections of stem and root appear simple, when viewed by naked eye. But under microscope, they can be differentiated by

Exarch condition of root and stem

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Endarch condition of stem and root

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Endarch condtion of root and exarch condition of stem

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Endarch condtions of stem and exarch condition of root

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Solution

The correct option is C Endarch condtions of stem and exarch condition of root
The characteristic feature of the stem is an endarch condition of xylem tissue. In this, protoxylem is present towards the center of stem and metaxylem towards the pericycle. The characteristic feature of the root is exarch condition of xylem tissue. In this condition, protoxylem is present towards the pericycle and metaxylem towards the center of the root.
Thus, the correct answer is option D.

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Similar questions

Distinguish between the following.

(a) Exarch and endarch condition of protoxylem

(b) Stele and vascular bundle

(d) Interfascicular cambium and intrafascicular cambium

(e) Open and closed vascular bundles

(f) Stem hair and root hair

The cross-section of a plant material showed the following features when viewed under the microscope.

(a) The vascular bundles were radially arranged.

(b) Four xylemstrands with exarch condition of protoxylem.

To which organ should it be assigned?

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