In leaves,the position of protoxylem and prot | vedclass

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(B) In the vascular bundles of a leaf,the xylem and phloem are arranged in a specific orientation.$1$. The xylem is located towards the adaxial (upper

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Adaxial and Abaxial

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(B) In the vascular bundles of a leaf,the xylem and phloem are arranged in a specific orientation.$1$. The xylem is located towards the adaxial (upper) surface of the leaf.$2$. The phloem is located towards the abaxial (lower) surface of the leaf.$3$. Within the xylem,the protoxylem (the first formed xylem) is oriented towards the adaxial side.$4$. Within the phloem,the protophloem (the first formed phloem) is oriented towards the abaxial side.Therefore,the protoxylem is adaxial and the protophloem is abaxial.

In leaves,the position of protoxylem and protophloem are respectively:

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