Class 9 Science

May 1, 2022

Chapter 16 Floatation

Chapter 16 Floatation TEXT BOOK QUESTIONS Question 1. Why is it difficult to hold a school bag having a strap made of a thin and strong string […]
May 1, 2022

Chapter 15 Improvement in Food Resources

Chapter 15 Improvement in Food Resources TEXT BOOK QUESTIONS Question 1. What do we get from cereals, pulses, fruits and vegetables ? Answer: Cereals: Mostly carbohydrates […]
May 1, 2022

Chapter 14 Natural Resources

Chapter 14 Natural Resources TEXT BOOK QUESTIONS Question 1. How is our atmosphere different from the atmosphere of Venus and Mars ? Answer: Atmosphere over Earth […]
May 1, 2022

Chapter 13 Why Do we Fall Ill

Chapter 13 Why Do we Fall Ill TEXT BOOK QUESTIONS Question 1. State any two conditions essential for good health. Complete physical fitness free from any […]
May 1, 2022

Chapter 12 Sound

Chapter 12 Sound TEXT BOOK QUESTIONS Question 1. Explain how sound is produced by your school bell.                   […]
May 1, 2022

Chapter 11 Work, Power and Energy

Chapter 11 Work, Power and Energy TEXT BOOK QUESTIONS Question 1. A force of 7 N acts on an object. The displacement is say 8 m […]
May 1, 2022

Chapter 10 Gravitation

Chapter 10 Gravitation TEXT BOOK QUESTIONS Question 1. State the universal law of gravitation. (CBSE Sample Paper, CBSE 2010, 2011, 2012, 2013, 2015) Answer: The force […]
May 1, 2022

Chapter 9 Force and Laws of Motion

Chapter 9 Force and Laws of Motion TEXT BOOK QUESTIONS Question 1. Which of the following has more inertia ? (a) a rubber ball and a […]
May 1, 2022

Chapter 8 Motion

Chapter 8 Motion TEXT BOOK QUESTIONS Question 1. An object has moved through a distance. Can it have zero displacement ? If yes, support your answer […]
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