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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 [...]
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NCERT Solutions NCERT Solutions for Class 8 Science Chapter 8 Cell Structure and Functions Question 1. Indicate whether the following statements are True (T) or False (F). (a) Unicellular organisms have a one-celled body. (b) Muscle cells are branched. (c) The basic living unit of an organism is an organ. (d) Amoeba has an irregular [...]
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NCERT Solutions for Class 8 Science Chapter 7 Conservation of Plants and Animals Conservation of Plants and Animals Class 8 Science NCERT Textbook Questions 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 [...]
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NCERT Solutions for Class 8 Science Chapter 6 Combustion and Flame Question 1. List conditions under which combustion can take place. Answer: Combustion can take place in the presence of: (a) a combustible substance. (b) oxygen, that is, the supporter of combustion. (c) attainment of ignition temperature of the substance. Question 2. Fill in the [...]
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Question 1. What are the advantages of using CNG and LPG as fuels? Answer: The advantages of using CNG and LPG as fuels are: They burn with a smokeless flame and so does not cause any pollution. They leave no ash on burning. They are easy to handle and convenient to store. Question 2. Name [...]
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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 the following statements is correct? (a) All metals are ductile. (b) All non-metals are ductile. (c) Generally, metals are ductile. (d) Some non-metals are ductile. Answer: (c) Generally, [...]
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Question 1. Explain why some fibres are called synthetic. Answer: Some fibres are called synthetic fibres because they are made by man using chemicals. Question 2. Mark (✓) the correct answer. Rayon is different from synthetic fibres because (a) it has a silk-like appearance. (b) it is obtained from wood pulp. (c) its fibres can [...]