In the given transverse section of the leaf identify the layer of cells where maximumphotosynthesis occurs

In the transverse section of a leaf, the layer of cells where maximum photosynthesis occurs is known as the mesophyll. The mesophyll is primarily composed of two types of cells: the palisade mesophyll and the spongy mesophyll.

1. Palisade Mesophyll: This layer is located just beneath the upper epidermis of the leaf and is made up of tightly packed columnar cells. These cells contain a high concentration of chloroplasts, making them the main site for photosynthesis. The arrangement allows for maximum light absorption.

2. Spongy Mesophyll: Located below the palisade layer, this layer has a looser arrangement of cells and contains air spaces that facilitate gas exchange. It also contains chloroplasts, but to a lesser extent than the palisade mesophyll.

In summary, the palisade mesophyll is the primary layer where maximum photosynthesis occurs due to its high density of chloroplasts and optimal positioning for light absorption.