Multiple choice

Which layer of a leaf is responsible for photosynthesis?

  1. Palisade Mesophyll

  2. Spongy Mesophyll

  3. Upper Epidermis

  4. Lower Epidermis

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A Correct answer
Explanation

The palisade mesophyll layer is located directly beneath the upper epidermis and consists of closely packed, column-shaped cells rich in chloroplasts. This structural adaptation makes it the primary site for light absorption and photosynthesis in the leaf.