Question

.....2 lines on palisade parenchyma and spongy parenchyma......

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Answer 1

Palisade parenchyma:
It is present below upper epidermis and consist of closely packed elongated cells.
The cells contain abundant chloroplast and help in photosynthesis.

Spongy parenchyma:
it is present below palisade tissue and consists of loosely arranged irregular shaped cells with intercellular spaces.
The spongy parenchyma cells contain chloroplast and are in contact with atmosphere through stomata.

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Answer 2

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