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Important Questions For All Chapters – Science Class 9 Short Questions 1. What is motion? Answer: Motion is a change in the position of an object with time. 2. What is the SI unit of speed? Answer: The SI unit of speed is metre per second (m/s). 3. Define displacement. Answer: The shortest distance measured […]

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Important Questions For All Chapters – Science Class 9 Short Questions 1. Who discovered the cell? Answer: Robert Hooke discovered the cell in 1665 while examining a thin slice of cork through a self-designed microscope. 2. What is the basic structural and functional unit of life? Answer: The cell is the basic structural and functional […]

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Important Questions For All Chapters – Science Class 9 Short Questions 1. Who discovered the electron? Answer: J.J. Thomson discovered the electron. 2. What are canal rays? Answer: Canal rays are positively charged radiations discovered by E. Goldstein. 3. What is the charge and mass of a proton? Answer: A proton has a charge of […]

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Chapter 1 – Matter in Our Surroundings Chapter 2 – Is Matter Around Us Pure Chapter 3 – Atoms and Molecules Chapter 4 – Structure of the Atom Chapter 5 – The Fundamental Unit of Life Chapter 6 – Tissues Chapter 7 – Motion Chapter 8 – Force and Laws of Motion Chapter 9 – […]

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Solutions For All Chapters Science Class 9 Questions From NCERT Textbook Question 1. Define the term “tissue”. Answer: Group of cells that are similar in structure and perform same function is called a tissue. Question 2. How many types of elements together make up the xylem tissue? Name them. Answer: The xylem is made up […]