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Question
In dorsiventral leaf phloem is found in which side?
In dorsiventral leaf phloem is found in which side?
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Solution
The correct option is B Abaxial
In dorsiventral leaf, each vein has a bundle sheath composed of single layer of compactly arranged barrel shaped parenchyma cells. The bundle sheath encloses both xylem and phloem. Xylem is found towards upper epidermis (adaxial) and phloem towards lower epidermis (abaxial). In the xylem many protoxylem and metaxylem vessels are found. Protoxylem orients towards upper epidermis. Hence, the vascular bundle are described as conjoint and collateral with endarch xylem.
In dorsiventral leaf, each vein has a bundle sheath composed of single layer of compactly arranged barrel shaped parenchyma cells. The bundle sheath encloses both xylem and phloem. Xylem is found towards upper epidermis (adaxial) and phloem towards lower epidermis (abaxial). In the xylem many protoxylem and metaxylem vessels are found. Protoxylem orients towards upper epidermis. Hence, the vascular bundle are described as conjoint and collateral with endarch xylem.
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