In a vertical section of a dorsiventral leaf, the protoxylem in its middle bundle
A
Faces the dorsal epidermis of the leaf.
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B
Faces the ventral epidermis of the leaf.
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C
Is not distinct.
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D
Is surrounded by meta xylem.
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Solution
The correct option is A Faces the dorsal epidermis of the leaf. Dicotyledonous leaf is horizontal and dorsiventral. Phloem is towards lower epidermis; xylem is towards upper epidermis, with metaxylem facing phloem. Example: Mangifera (Mango).