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How are the following structures of a leaf adapted to their function? (a)Petiole. (b)Veins. (c)Palisade mesophyl. (d)Guard cells.

      

How are the following structures of a leaf adapted to their function?
(a)Petiole.
(b)Veins.
(c)Palisade Mesophyl.
(d)Guard cells.

  

Answers


Seline
(a)It has lignified xylem that supports/holds it in a suitable position.
(b)Have xylem vessels for transport of water/mineral salts and phloem tubes for translocation of food.
(c)The cells have numerous chloroplasts to absorb maximum sunlight.
Cells are closely fitted/placed next to the upper epidermis to trap/absorb maximum sunlight.
(d)Inner walls are thick while outer walls are thin to control opening and closing of stoma.
Has chloroplasts for photosynthesis.
Belan answered the question on February 15, 2019 at 09:59


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