NEET BIOLOGY

Detailed explanation-1: -In Opuntia, the stem is modified into a flattened green structure to perform the functions of leaves, (i.e., photosynthesis).

Detailed explanation-2: –Phylloclades are a flattened, photosynthetic branch or stem that resembles or performs the function of a leaf.

Detailed explanation-3: -Hint: Phylloclade is the modification of stem in plants for carrying out photosynthesis, as well as for structural support and survival.

Detailed explanation-4: -Phylloclade is the aerial modification of stem, having several nodes and internodes and is modified into a flat, fleshy, and green leaf-like structure and carries out photosynthesis like a leaf and also stores food.

Detailed explanation-5: -(iii) Phylloclade: This is a green, flat, or rounded stem bearing nodes and internodes. It develops in xerophytic plants where the leaves are reduced or modified into spines to reduce transpiration. Phylloclade performs photosynthesis. They may also store water.