NCERT Solutions Class 9 Science Chapter 8 Motion

Class 9 Science NCERT Solutions Motion Page No: 100 1. An object has moved through a distance. Can it have zero displacement? If yes, support your Answer : with an example. Answer : Yes, an object can have zero displacement even when it has moved through a…

NCERT Solutions Class 9 Science Chapter 6 Tissues

Class 9 Science NCERT Solutions Tissues 1. What is a tissue? Answer : Tissue is a group of cells that are similar in structure and are organised together to perform a specific task. 2. What is the utility of tissues in multi-cellular organisms? Answer : In…

NCERT Solutions Class 9 Science Chapter 9 Force and Laws of Motion

Class 9 Science NCERT Solutions Force and Laws of Motion Page No: 118 1. Which of the following has more inertia: (a) a rubber ball and a stone of the same size? (b) a bicycle and a train? (c) a five-rupees coin and a one-rupee coin? Answer : Inertia is the measure of the…

NCERT Solutions Class 9 Science Chapter 7 Diversity in Living Organisms

Class 9 Science NCERT Solutions Diversity in Living Organisms Page No: 80 1. Why do we classify organisms? Answer : There are millions of organisms on this earth. So, it is harder to study them one by one. Therefore, we look for similarities among them and classify them…

CBSE Class 9 Science and technology Sample Paper 3

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CBSE Class 9 Science and technology Sample Paper 2

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CBSE Class 9 Science and technology Sample Paper 1

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CBSE Class 9 Science and technology List of Experiments

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CBSE Class 9 Science and technology Design of Question Paper

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CBSE Class 9 Science and technology Categories of Practical Skills

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NCERT Solutions Class 9 Science Chapter 11 Work and Energy

Class IX  Science Chapter 11 – Work and Energy Question 1: A force of 7 N acts on an object. The displacement is, say 8 m, in the direction of the force (Fig. 11.3). Let us take it that the force acts on the object through the displacement. What is the work done in…

NCERT Solutions Class 9 Science Chapter 13 Why Do We Fall Ill

Class IX  Science Chapter 13 – Why Do We Fall Ill Question 1: State any two conditions essential for good health. Answer: The twoconditions essential for good health are: (i) An individual must have better health facilities and more professionals to deal with…

NCERT Solutions Class 9 Science Chapter 5 The Fundamental Unit of Life

Chapter 5 – The Fundamental Unit of Life Question 1: Who discovered cells and how? Answer: Cells were discovered in 1665 by an English Botanist, Robert Hooke. He used a primitive microscope to observe cells in a cork slice. Question 2: Why is the cell called…

NCERT Solutions Class 9 Science Chapter 4 Structure of the Atom

  Class IX Science  Chapter 4 – Structure of the Atom Question 1: What are canal rays? Answer : Canal ra ys are positively charged radiations. These rays consist of positively charged particles known as protons. They were discovered by Goldstein in 1886…