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NCERT Solutions for Class 8 Science Chapter 18 Pollution of Air And Water Pollution of Air and Water Class 8 Science NCERT Textbook Questions Question 1. What are the different ways in which water gets contaminated? Answer: Following are the ways by which water gets contaminated: People dispose of garbage in the water. Many industries [...]
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NCERT Solutions for Class 8 Science Chapter 17 Stars and The Solar System Stars and The Solar System Class 8 Science NCERT Textbook Questions Choose the correct answer in Questions 1-3. Question 1. Which of the following is NOT a member of the solar system? (a) An asteroid (b) A satellite (c) A constellation (d) [...]
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NCERT Solutions for Class 8 Science Chapter 16 Light Light Class 8 Science NCERT Textbook Questions Question 1. Suppose you are in a dark room. Can you see objects in the room? Can you see objects out¬side the room? Explain. Answer: When we are in a dark room then we cannot see objects in the [...]
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NCERT Solutions for Class 8 Science Chapter 15 Some Natural Phenomena Some Natural Phenomena Class 8 Science NCERT Textbook Questions Select the correct option in Questions 1 and 2. Question 1. Which of the following cannot be changed easily by friction? (a) A plastic scale (b) A copper rod (c) An inflated balloon (d) A [...]
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NCERT Solutions for Class 8 Science Chapter 14 Chemical Effects of Electric Current Chemical Effects of Electric Current Class 8 Science NCERT Textbook Questions Question 1. Fill in the blanks. (a) Most liquids that conduct electricity are solutions of ______ , ______ and ______ (b) The passage of an electric current through a solution causes [...]
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NCERT Solutions for Class 8 Science Chapter 13 Sound Question 1. Choose the correct answer. Sound can travel through (a) gases only (b) solids only (c) liquids only (d) solids, liquids, and gases Answer: (d) solids, liquids, and gases. Question 2. Voice of which of the following is likely to have a minimum frequency? (a) [...]
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NCERT Solutions for 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 ______ of surfaces. (c) Friction produces ______ (d) The sprinkling of powder on the carrom board _______ friction. (e) Sliding friction is [...]
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NCERT Solutions for Class 8 Science Chapter 11 Force and Pressure Question 1. Give two examples each of the situations in which you push or pull to change the state of motion of objects. Answer: (i) Push: We close drawer by pushing. We move a wooden box by pushing. (ii) Pull: We draw water from [...]
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NCERT Solutions for 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: Hormones Question 2. Define adolescence. Answer: The period of life, when the body undergoes changes, leading to reproductive maturity, is called [...]
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NCERT Solutions for Class 8 Science Chapter 9 Reproduction in Animals Question 1. Explain the importance of reproduction in organisms. Answer: Reproduction is a vital phenomenon on this planet earth which is essential for existence and continuity of life and species on it, generation after generation. Question 2. Describe the process of fertilisation in human [...]