CLASS X BIOLOGY

Respected parents It is informed that PTM will be held on Saturady, 30/04/2016. Timings: 8:30-9:00A.M.-----> Roll no 1-15 9:00-9:30A.M.----> Roll no 16-30 9:30-10:00A.M.----> Roll no 31 onwards. Students must accompany their parents. They must come in proper school uniform..

Notes of Chapter- Life Processes ( Nutrition) KEY CONCEPTS & GIST  v    Life processes  – The processes that are necessary for an organism to stay alive. Eg. Nutrition, respiration,circulation, excretion etc. v    Criteria of life - (i) Movement   ii) Growth iii) Life Processes. v    Nutrition - The process in which an organism takes in food, utilizes it to get energy and nutrients for growth, repair and maintenance, etc.  v    Types of nutrition                                                                           1.         Autotrophic nutrition  (Auto =self:  trophos = nourishment) E.g. Plants, Algae, blue green bacteria. o     Process – Photosynthesis (Photo=light; Synthesis= to combine) o     Raw materials- (i) Carbon dioxide (ii)Water o     Equation-                   sunlight                                                                           o      6CO 2   +  6H 2 O                                     C 6 H 12 O 6       +     6