CBSE Class 11 Biology — Chapter Summary

The living world shows enormous diversity in form, habitat, and behaviour. Living organisms are found in places such as mountains, forests, oceans, lakes, deserts, and hot springs. The study of this diversity depends on naming, identifying, classifying, and understanding organisms in a systematic wa

Biological classification organizes living organisms into groups based on shared characteristics such as cell structure, body organisation, mode of nutrition, reproduction and evolutionary relationships. Early systems used simple visible features, but later systems became more scientific and include

Plant kingdom includes algae, bryophytes, pteridophytes, gymnosperms and angiosperms. It shows a gradual increase in complexity from simple thalloid forms to highly organized seed-bearing flowering plants. Classification of plants depends on body structure, habitat, vascular tissues, reproductive fe