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NCERT Solutions for Class 8th: Ch 7 Conservation of Plants and Animals Science
NCERT Solutions for Class 8th: Ch 7 Conservation of Plants and Animals SciencePage No: 86Excercise1. Fill in the blanks:(a) A place where animals are protected in their natural habitat is called a __...
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NCERT Solutions for Class 8th: Ch 8 Cell - Structure and Functions Science
NCERT Solutions for Class 8th: Ch 8 Cell - Structure and Functions SciencePage No: 100Excercise1. Indicate whether the following statements are True (T) or False (F).(a) Unicellular organisms have...
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NCERT Solutions for Class 8th: Ch 9 Reproduction in Animals Science
NCERT Solutions for Class 8th: Ch 9 Reproduction in Animals SciencePage No: 110Excercise1. Explain the importance of reproduction in organisms.AnswerReproduction is very important for the organisms....
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NCERT Solutions for Class 8th: Ch 10 Reaching the Age of Adolescence Science
NCERT Solutions for Class 8th: Ch 10 Reaching the Age of Adolescence SciencePage No: 124Excercise1. What is the term used for secretions of endocrine glands responsible for changes taking place in the...
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NCERT Solutions for Class 8th: Ch 11 Force and Pressure Science
NCERT Solutions for Class 8th: Ch 11 Force and Pressure SciencePage No: 142Excercise1. Give two examples each of situations in which you push or pull to change the state of motion of objects.AnswerTwo...
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NCERT Solutions for Class 8th: Ch 12 Friction Science
NCERT Solutions for Class 8th: Ch 12 Friction SciencePage No: 155Excercise1. Fill in the blanks.(a) Friction opposes the ________between the surfaces in contact with each other.(b) Friction depends on...
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NCERT Solutions for Class 8th: Ch 13 Sound Science
NCERT Solutions for Class 8th: Ch 13 Sound SciencePage No: 168Excercise1. Choose the correct answer.Sound can travel through(a) gases only (b) solids only(c) liquids only (d) solids, liquids and...
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NCERT Solutions for Class 8th: Ch 14 Chemical Effects of Electric Current...
NCERT Solutions for Class 8th: Ch 14 Chemical Effects of Electric Current SciencePage No: 180Excercise1. Fill in the blanks.(a) Most liquids that conduct electricity are solutions of ________, _______...
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NCERT Solutions for Class 8th: Ch 15 Some Natural Phenomena Science
NCERT Solutions for Class 8th: Ch 15 Some Natural Phenomena SciencePage No: 197Excercise1. Which of the following cannot be charged easily by friction?(a) A plastic scale(b) A copper rod(c) An inflated...
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NCERT Solutions for Class 8th: Ch 16 Light Science
NCERT Solutions for Class 8th: Ch 16 Light SciencePage No: 212Excercises1. Suppose you are in a dark room. Can you see objects in the room? Can you see objects outside the room? Explain.AnswerWe can...
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NCERT Solutions for Class 8th: Ch 17 Stars and the Solar System Science
NCERT Solutions for Class 8th: Ch 17 Stars and the Solar System SciencePage No: 234Excercise1. Which of the following is NOT a member of the solar system?(a) An asteroid(b) A satellite(c) A...
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NCERT Solutions for Class 8th: Ch 18 Pollution of Air and Water Science
NCERT Solutions for Class 8th: Ch 18 Pollution of Air and Water SciencePage No: 252Excercise1. What are the different ways in which water gets contaminated?AnswerWater gets contaminated by the addition...
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NCERT Solutions for Class 11th: Ch 1 Physical World Physics
NCERT Solutions for Class 11th: Ch 1 Physical World Physics SciencePage No: 13Excercises1.1. Some of the most profound statements on the nature of science have come from Albert Einstein, one of the...
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NCERT Solutions for Class 11th: Ch 2 Units and Measurements Physics
NCERT Solutions for Class 11th: Ch 1 Units and Measurements Physics SciencePage No: 35Excercises2.1. Fill in the blanks(a) The volume of a cube of side 1 cm is equal to.....m3(b) The surface area of a...
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NCERT Solutions for Class 11th: Ch 3 Motion In A Straight Line Physics
NCERT Solutions for Class 11th: Ch 3 Motion In A Straight Line Physics SciencePage No: 55Excercises3.1. In which of the following examples of motion, can the body be considered approximately a point...
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NCERT Solutions for Class 11th: Ch 4 Motion In A Plane Physics
NCERT Solutions for Class 11th: Ch 4 Motion In A Plane Physics SciencePage No: 85Excercises4.1. State, for each of the following physical quantities, if it is a scalar or a vector:volume, mass, speed,...
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NCERT Solutions for Class 11th: Ch 5 Laws Of Motion Physics
NCERT Solutions for Class 11th: Ch 5 Laws Of Motion Physics SciencePage No: 109Excercises5.1. Give the magnitude and direction of the net force acting on(a) a drop of rain falling down with a constant...
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NCERT Solutions for Class 11th: Ch 6 Work, Energy And Power Physics
NCERT Solutions for Class 11th: Ch 6 Work, Energy And Power Physics SciencePage No: 134Excercises6.1. The sign of work done by a force on a body is important to understand. State carefully if the...
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NCERT Solutions for Class 11th: Ch 7 System Of Particles And Rotational...
NCERT Solutions for Class 11th: Ch 7 System Of Particles And Rotational Motion Physics SciencePage No: 178Excercises7.1. Give the location of the centre of mass of a (i) sphere, (ii) cylinder, (iii)...
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NCERT Solutions for Class 11th: Ch 8 Gravitation Physics
NCERT Solutions for Class 11th: Ch 8 Gravitation Physics SciencePage No: 201Excercises8.1. Answer the following:(a)You can shield a charge from electrical forces by putting it inside a hollow...
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