NEET BIOLOGY

Detailed explanation-1: -Algae: Algae are defined as a group of predominantly aquatic organisms. Their body organisation is simple without much differentiation. Their body is thallus-like i.e the body is not divided into roots, stems or leaves.

Detailed explanation-2: -Complete step by step answer: Plants whose body is not differentiated into distinct roots, stems and leaves are called thallophytes. For example-Algae.

Detailed explanation-3: -Bryophytes. Bryophytes have no roots, leaves or stems. Moss and liverworts belong to this group.

Detailed explanation-4: -In bryophytes, the plant body is thallus-like, prostrate or erect and attached to the substratum by unicellular or multicellular rhizoids. They lack true roots, stem or leaves but may possess root-like, leaf-like or stem-like structures.

Detailed explanation-5: -Hence, A thallus refers to a plant body having no distinction of stem, leaves, and roots.