Posts
Notes of Chapter- Life Processes
KEY CONCEPTS & GIST OF THE LESSON v Life processes – The processes that are necessary for an organism to stay alive. Eg. Nutrition, respiration, etc. v Criteria of life - (i) Growth (ii) Movement v Nutrition - The process in which an organism takes in food, utilizes it to get energy, for growth, repair and maintenance, etc. and excretes the waste materials from the body. v Types of nutrition 1. Autotrophic nutrition (Auto =self: trophos = nourishment) E.g. Pl...
Topics discussed in the class X (1-20th July, 2015)
Chapter Life Processes Revision of Nutrition , Respiration Circulatory System in Humans :Significance of circulatory system, Structure of human heart , No of chambers in heart of fish, amphibia, reptiles birds and mammals, Blood flow through heart, Single/ Double circulation, Presence of valves and their function, Types of Blood vessels , Arteries vs Veins, capillaries, Blood components, Blood pressure, Lymph - formation and function. Transport in Plants : Vascular Tissues: Xylem and Phloem, Transport in xylem due to root pressure and transpirational pull, Transport in phloem- Translocation.