NCERT Solutions with NCERTplanet
NCERT Solutions with NCERTplanet
Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.3 Solve the following equations and check your results. Question: 1. 3𝓍 = 2𝓍 + 18 Answer : 3𝓍 = 2𝓍 + 18 ⇒ 3𝓍 – 2𝓍 = 18…
Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.2 Question: 1. If you subtract 1⁄2 from a number and multiply the result by 1⁄2 you get 1⁄8, What is the number? Answer : Question: 2. The perimeter…
Class 8 – Mathematics Linear Equations in One Variable – Exercise 2.1 Question: 1. Solve : 𝓍 – 2 = 7 Answer : Question: 2. Solve y + 3 = 10 Answer : Question: 3. Solve : 6 = z…
Class 8 – Mathematics Algebraic Expressions and Identities – Exercise 1.2
Class 8 – Mathematics Algebraic Expressions and Identities – Exercise 1.1
Class 8 – Science Chapter 15 – Some Natural Phenomena Question :1. Select the correct option in questions 1 and 2. Question :1. Which of the following cannot be charged easily by friction? (a) A plastic scale (b) A copper…
Class 8 – Science Chapter 16 – Light Question :1. Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain. Answer : We cannot see objects in the…
Class 8 – Science Chapter 14 – Chemical Effects of Electric Current Question :1. Fill the blanks. (a) Most liquids that conduct electricity are solutions of —————, ————— and —————. (b) The passage of an electric current through a solution…
Class 8 – Science Chapter 13 – Sound Question :1. Choose the correct answer. Sound can travel through (a) Gases only (b) Solid only (c) Liquid only (d) Solids, liquids and gases Answer : (d) air, liquid and solids Question…
Class 8 – Science Chapter 18 – Pollution of Air and Water Question :1. What are the different ways in which water gets contaminated? Answer : Water gets contaminated due to the addition of substances harmful to health. Sewage, agricultural…
Class 8 – Science Chapter 17 – Stars and the Solar System Question :Choose the correct answer in questions 1-3 1. Which of the following is NOT a member of the solar system? (a) An asteroid (b) A satellite (c)…
Class 8 – Science Chapter 7 – Conservation of Plants and Animals Question :1. Fill in the blanks. (a) A place where animals are protected in their natural habitats is called_____________. (b) Species found only in a particular area is…
Class 8 – Science Chapter 12 – Friction Question :1. Fill in the blanks. (a) Friction opposes the ______________ between the surfaces in contact with each other. (b) Friction depends on the ______________ surfaces. (c) Friction produces ______________. (d) Sprinkling…
Class 8 – Science Chapter 11 – Force and Pressure Question :1. Give two examples each of situations in which you push or pull to change the state of motion of objects. Answer : (a) If a rubber ball or…
Class 8 – Science Chapter 10 – Reaching the Age of Adolescence Question :1. What is the term used for secretions of endocrine glands responsible for changes taking place in the body? Answer : The term used for secretion of…
Class 8 – Science Chapter 9 – Reproduction in Animals Question :1. Explain the importance of reproduction in organism. Answer : The production of new individual form the parents is known as reproduction. Reproduction is very important as it ensures…
Class 8 – Science Chapter 8 – Cell Structure and Functions Question :1. Indicate whether the following statement are true (T) or false(F). (a) Unicellular organisms have one-celled body. (T/F) (b) Muscles cells are branched. (T/F) (c) The basic living…
Class 8 – Science Chapter 6 – Combustion and Flame Question :1. List conditions under which combustion can take place. Answer : Conditions under which combustion can take place are as follows: a. Air b. The ignition temperature c. Inflammable…
Class 8 – Science Chapter 5 – Coal and Petroleum Question :1. What are the advantages of using CNG and LPG as fuels? Answer : The advantage of using CNG and LPG are as follows: a. These are cleaner fuels.…
Class 8 – Science Chapter 4 – Materials Metals and Non Metals Question :1. Which of the following can be beaten into thin sheets? (a) Zinc (b) Phosphorus (c) Sulphur (d) Oxygen Answer : (a) Zinc Question :2. Which of…