Class 7 Science NCERT Sol and Add Questions answers Chapter 1: Nutrition in Plants( NCERT Solutions) Chapter 2: Nutrition in Animals(NCERT Solutions) Chapter 3: Fibre to Fabric(NCERT Solutions) Chapter 4: Heat (NCERT Solutions and additional questions) CHAPTER 5: ACID-BASE AND SALT(Book) Chapter 5: Acids, bases and salts (NCERT Solutions and Additional Questions with answers) Chapter 6: Physical and chemical change (Book) Chapter 6: Physical and Chemical Changes (NCERT Solutions and additional Questions-answers) Chapter 7:Weather, Climate and Adaptations of Animals to Climate NCERT Solutions Chapter 8: Winds, Storms and Cyclones NCERT Solutions Chapter 9: Soil NCERT Solutions Chapter 10: Respiration in Organisms