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CLASS X BIOLOGY

Work done this week( 22/8/15-28/8/15)

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August 30, 2015

Revision of chapter Life processes and Control and Coordination .
Doubts from the topics were taken up in the class.

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Wondering Why is there an Ozone hole over Antarctica only..??

December 18, 2015

Why is there an ozone hole over Antarctica and not anywhere else? Check the link to find the answer..

Life Processes- Nutrition notes

April 13, 2017

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. ...

Notes:- Life processes - Circulation and Excretion

July 07, 2016

Transportation Transportation in human beings - Components of Circulatory system: a)Heart b) Blood vessels c) Blood § Heart - (Refer to figure 6.10 page no. 106 of N.C.E.R.T Text book) (i) It is a muscular organ, which works as a pump in the circulatory system. (ii) It is the size of our fist. (iii) It has two sides, which are separated by a partition so that the oxygenated and deoxygenated blood do...