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 CBSE Quick Revision Notes CBSE Class-11 BiologyCHAPTER-01THE LIVING WORLD Life is a unique, complex organization of molecules that expresses itself through chemical reactions which lead to growth, development, responsiveness, adaptation and reproduction. The objects exhibiting growth, development, reproduction, respiration, responsiveness and other…Read More »

 CBSE Class 11 Biology NCERT SolutionsChapter 1DIVERSITY IN THE LIVING WORLD 1. Why are living organisms classified?Ans. A large variety of plants, animals, and microbes are found on earth. All these living organisms differ in size, shape, colour, habitat, and many other characteristics.…Read More »

 CBSE TEST PAPER-01 CLASS – XI BIOLOGY(The Living World) General Instruction: All questions are compulsory. Question No. 1 to 3 carry one marks each. Question No. 4 to 6 carry two marks each. Question No. 7 and 8 carry three marks each.…Read More »

 CBSE Quick Revision Notes CBSE Class-11 BiologyCHAPTER-02BIOLOGICAL CLASSIFICATION Biological classification is the scientific procedure of arranging organisms into groups and subgroups on the basis of their similarities and dissimilarities and placing the group in a hierarchy of categories. Importance of classification- It…Read More »

 CBSE Class 11 Biology NCERT SolutionsChapter 2Biological classification 1. Discuss how classification systems have undergone several changes over a period of time?Ans. The classification systems have undergone several changes with time. The first attempt of classification was made by Aristotle. He classified plants…Read More »

 CBSE TEST PAPER-01 CLASS – XI BIOLOGY (Biological Classification) General Instruction: All questions are compulsory. Question No. 1 to 3 carry one marks each. Question No. 4 to 6 carry two marks each. Question No. 7 and 8 carry three marks each.…Read More »

 CBSE Quick Revision Notes CBSE Class-11 BiologyCHAPTER-03PLANT KINGDOM Eukaryotic, multicellular, chlorophyll containing and having cell wall, are grouped under the kingdom Plantae. It is popularly known as plant kingdom. Phylogenetic system of classification based on evolutionary relationship is presently used for classifying plants.…Read More »

 CBSE Class 11 Biology NCERT SolutionsChapter 3Plant kingdom 1. What is the basis of classification of algae?Ans. These divisions are based on the following factors:(a) Major photosynthetic pigments present(b) Form of stored food(c) Cell wall composition(d) Number of flagella and position of insertion…Read More »