yrs. 2017-08 SOLVED PAPERS CHAPTERWISE-TOPICWISE SCIENCE MTG Learning Media (P) Ltd. New Delhi | Gurgaon Price ` 275 Edition : 2017 Published by : MTG Learning Media (P) Ltd., New Delhi Corporate Office : Plot 99, Sector 44 Institutional Area, Gurgaon, Haryana. Phone : 0124 - 6601200. Web : mtg.in Email :
[email protected] Registered Office : 406, Taj Apt., Ring Road, Near Safdarjung Hospital, New Delhi-110029 Information contained in this book has been obtained by mtg, from sources believed to be reliable. However, neither mtg nor its authors guarantee the accuracy or completeness of any information published herein, and neither mtg nor its authors shall be responsible for any errors, omissions, or damages arising out of use of this information. Copyright © by MTG Learning Media Pvt. Ltd. No part of this publication may be reproduced or distributed in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise or stored in a database or retrieval system without the prior written permission of the publishers. The program listings (if any) may be entered, stored and executed in a computer system, but they may not be reproduced for publication. This edition can be exported from India only by the publishers, MTG Learning Media Pvt. Ltd. Visit www.mtg.in for buying books online. PREFACE W e feel pleased and delighted in presenting the book “CBSE Champion Chapterwise-Topicwise Science Class 10th”. Special efforts have been put to produce this book in order to equip students with practice material including previous 10 years’ CBSE Board Examination questions. It will give them comprehensive knowledge of subject according to the latest syllabus and pattern of CBSE Board Examination. The book will be helpful in imparting students a clear and vivid understanding of the subject. Salient Features Topicwise Graphical Analysis : Graphical analysis of previous 10 years’ CBSE Board papers’ questions (VSA, SA I, SA II, LA) provided to let students figure out which chapter and which topic is to be revised hard and how much is the weightage of that topic. Comprehensive and Lucid Theory : Well explained theory with important formulae, flowcharts and tables for quick recap. Chapterwise-Topicwise Questions and Answers : Theory is followed by chapterwise-topicwise questions pulled from previous 10 years’ CBSE-DELHI, ALL INDIA, FOREIGN and COMPARTMENT papers. Questions till 2010 appeared from entire syllabus but from 2011-2017, only questions from Term-II syllabus were asked. Again in 2018 CBSE Board Examination, questions from whole syllabus will be asked. Answers are given according to the CBSE marking scheme. Strictly Based on NCERT Pattern : In the previous years’ CBSE papers SA I, SA II or LA type questions are generally framed by clubbing together questions from different topics of a unit. These questions are segregated strictly according to NCERT topics. e.g., (1/3, Delhi 2016 ), this question of 1 mark was asked in SA II type category, (1/5, AI 2015), this question of 1 mark was asked in LA type category, (1/2, Foreign 2016 ), this question of 1 mark was asked in SA I type category. Topicwise questions are arranged in descending chronological (2017-2008) order so that latest years’ questions come first in practice and revision. Key Concepts Highlighted : Key concepts have been highlighted in the solutions for their reinforcement. Value Based Questions : Separate section for Value Based Questions has been added. Practical Skills Quest