Science, Foundation coarse for NDA , Polytechnic entrance and engineering entrance exam

If you are willing to prepare for the competitive entrance exams and hunting for the science questions and answers, generally the NCERT solutions from the textbook of 9-10 class are asked in every competitive exam.The book is useful as a first dose for the preparation of engineering entrance exams, NDA, and complete guide for the preparation of science paper in the polytechnic entrance exam. The book contains NCERT solutions from 20 most important chapters of class 9-10 NCERT science textbook. The book is a revision and foundation coarse of science for the class 9-10 students who are planning to join after 12 pass an engineering institute, as an army officer after qualifying NDA etc. The answers are in a descriptive form that will generate more MCQ questions for competitive exams. The contents of the book The fundamental unit of life- 18 Life process – 34 Matter in our surroundings -26 Is matter around us pure -21 Atoms and molecules – 23 Structure of atoms-34 Chemical reaction and equations-28 Acid, base and salt- 34 Metals and non-metals-31 Carbon and its compound-29 Periodic table-23 Motion-27 Force and laws of motion-25 Gravitation-31 Work and energy- 32 Sound – 38 Light reflection and refraction- 35 Human eye and colourful world- Detail notes with 9 questions Electricity- Detail notes + 40 questions Magnetic effect of electric current-15 Additional important science questions from last years question papers of 10 class CBSE board exams -81