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1. The palisade layer is found below the upper epidermis.
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1. The spongy mesophyll is found towards the lower epidermis
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2. Cells compactly arranged at right angle to the epidermis.
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2. Cells are with large inter cellular space.
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3. These cells possess large concentration of chloroplast.
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3. The cells possess chloroplast but three to four times lesser than the palisade tissue.
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4. Mainly meant for photosynthesis and as a result food is produced.
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4. The main function is buoyancy and exchange of water vapour.
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5. Possess irregular or isodiametrical cells.
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5. Possess elongated columnar cells.
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6. Non-living inclusions are found in this layer.
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6. Non-living inclusions are completely absent.
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