NCERT Solutions Class 8 Science Chapter 10 Reaching the Age of Adolescence
NCERT Solutions for Class 8 Science for chapter 10 Reaching the Age of Adolescence Exercises 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 secretions of endocrine…
NCERT Solutions Class 8 Science Chapter 9 Reproduction in Animals
NCERT Solutions for Class 8 Science for chapter 9 Reproduction in Animals Exercises Question-1 Explain the importance of reproduction in organisms. Answer: Importance of reproduction in organisms is: 1. Reproduction ensures the continuity of a species. 2. It also…
NCERT Solutions Class 8 Science Chapter 8 Cell Structure and Functions
NCERT Solutions for Class 8 Science for chapter 8 Cell Structure and Functions Exercises Question-1 Indicate whether the following statements are true (T) or false (F). a) Unicellular organisms have one-celled body. (T/F) b) Musclecells are branched. (T/F) c) The…
NCERT Solutions Class 8 Science Chapter 2 Microorganisms Friends and Foe
NCERT Solutions for Class 8 Science for chapter 2 Microorganisms Friends and Foe Exercises Question-1 Fill in the blanks: a) Microorganisms can be seen with the help of a _____ b) Blue-green algae fix ____ directly from air to enhance fertility of soil. c)…
NCERT Solutions Class 8 Science Chapter 1 Crop production and management
NCERT Solutions for Class 8 Science for chapter 1 Crop production and management Exercises Question- 1. Select the following word from the following list and fill in the blanks Float, water, crop, nutrients, preparation a) The same kind of plants grown and…
NCERT Solutions Class 8 Science Chapter 18 Pollution of Air and Water
NCERT Solutions for Class 8 Science for chapter 18 Pollution of Air and Water Question - 1 - What are the different ways in which water gets contaminated? Answer. Water gets contaminated by following ways: (1) Excessive amount of pesticides and fertilisers are…
NCERT Solutions Class 8 Science Chapter 6 Combustion and Flame
NCERT Solutions for Class 8 Science for chapter 6 Combustion and Flame Question - 1 - List conditions under which combustion can take place. Answer. Necessary conditions for combustion are: (1) Fuel: Fuel is the raw material for combustion. (2) Air:…
NCERT Solutions Class 8 Science Chapter 5 Coal and Petroleum
NCERT Solutions for Class 8 Science for chapter 5 Coal and Petroleum Question - 1 - What are advantages of using CNG and LPG as fuels? Answer. The advantages of using CNG and LPG as fuels are as follows: (1) They can be easily transport through pipe lines. (2…
NCERT Solutions Class 8 Science Chapter 4 Materials Metals and Non Metals
NCERT Solutions for Class 8 Science fopr chapter 4 Materials Metals and Non-Metals Question. Which of these molecules is composed of EXACTLY 5 atoms? (a) NaHCO3 (b) Ba(OH)2 (c) K2SO4 (d) N2O5 Answer : B Question. Hydrated copper sulphate is a blue…
NCERT Solutions Class 8 Science Chapter 3 Synthetic fibres and plastics
NCERT Solutions for Class 8 Science for chapter 3 Synthetic fibres and plastics Question.1 Explain why some fibres are called synthetic. Answer. Man-made fibres are called synthetic fibres. These fibres are prepared from petrochemicals with the help of various…
NCERT Solutions Class 8 Science Chapter 7 Conservation of Plants and Animals
NCERT Solutions Class 8 for Science for chapter 7 Conservation of Plants and Animals Exercises Question.1 Fill in the blanks: a) A place where animals are protected in their natural habitat is called _____. b) Species found only in a particular area is known as…
NCERT Solutions Class 8 Science Chapter 17 Stars and the Solar System
NCERT Solutions for Class 8 Science for chapter 17 Stars and the Solar System 1. Which of the following is NOT a member of the solar system? (a) An asteroid (b) A satellite (c) A constellation (d) A comet Answer: The correct option is (c). Explanation: A…
NCERT Solutions Class 8 Science Chapter 16 Light
NCERT Solutions for Class 8 Science for chapter 16 Light 1. Suppose you are in a dark room. Can you see the objects in the room? Can you see object outside the room? Explain Answer: If we are in a dark room, we cannot see the objects kept inside the room. On the…
NCERT Solutions Class 8 Science Chapter 15 Some Natural Phenomena
NCERT Solutions for Class 8 Science for chapter 15 Some Natural Phenomena 1. Which of the following cannot be charged easily by friction? (a) A plastic scale (b) A copper rod (c) An inflated balloon (d) A woollen cloth Answer: The correct option is (b).…
NCERT Solutions Class 8 Science Chapter 14 Chemical Effects of Electric Current
NCERT Solutions for Class 8 Science for chapter 14 Chemical Effects of Electric Current Question. The light bulbs shown in the diagram below are connected in a series circuit. The bulbs do not light up, apparently because one of the bulbs is fused. How can it be determined…