The items in Column-I match with Column-II based on biological classification and characteristics as follows:

Peritrichous (L. Escherichia coli): Peritrichous flagellation refers to having flagella distributed all over the body surface, which is a key characteristic of the bacterium E. coli.

Living fossil (J. Ginkgo): Ginkgo biloba is known as a living fossil because it is the only surviving member of an ancient group of plants and has remained relatively unchanged for millions of years.

Rhizophore (M. Selaginella): A rhizophore is a specialized, leafless, root-like structure found in the pteridophyte Selaginella that grows toward the ground to produce roots.

Smallest flowering plant (N. Wolffia): Wolffia (watermeal) is the genus containing the world's smallest flowering plants, which are tiny, rootless, free-floating thalli.

(E) Largest perennial alga (K. Macrocystis): Macrocystis (giant kelp) is a large brown alga that can grow up to 60 meters long and is perennial, meaning it persists for several years.