​Why is the palisade mesophyll known as a main site of photosynthesis?
The palisade mesophyll cells have lots of chloroplasts.
The palisade mesophyll occupies the top layer of the leaf and is closest to sunlight, compared to the spongy mesophyll.
The palisade mesophyll cells are cylindrical and are closely-packed.
The palisade mesophyll cells contain the most number of chloroplasts per cell, compared to other cells in the leaf.
Q.Why is the palisade mesophyll known as a main site of photosynthesis?
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