Why are veins present on the lamina of a leaf?
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Answered by
10
Answer: hey mate...here is the answer
Veins are of xylem and phloem cells embedded in parachyma and surrounded by bundle sheath cells...the vein xylem transports water from the petiole throughout the llamina mesophyll and the plhoem transports sugar out of the leaf to the rest of the plant
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Answered by
7
Answer: Leaves have a flat, green leaf blade, or lamina. They also have a stalk or petiole, and a point of attachment to the stem, called the leaf base. The petiole continues in the leaf as midrib. Thin, linear structures, called veins, arise from the petiole and the midrib. These run across the leaf in various directions. They provide support to the leaf and transport water, minerals and food to and from the leaf.
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