Question

Many small tubes cover the entire leaf Blade . they are called

Answer 1

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The petiole has tiny tubes, that connect the veins on the leaf blade to the stem.

Answer 2

Answer: They are called as Veins. Within each leaf, the vascular tissue forms veins. The arrangement of veins in a leaf is called the venation pattern. Monocots and dicots differ in their patterns of venation. Monocots have parallel venation in which the veins run in straight lines across the length of the leaf without converging.