Force and Laws of Motion Class 9 – NCERT Science Solutions Intext Questions 1 Question 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?…
Motion Class 9 – NCERT Science Solutions Intext Questions 1 Question 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…
Tissues Class 9 – NCERT Science Solutions Intext Questions 1 Question 1 What is a tissue? Answer A group of structurally and functionally similar cells performing a particular function is called a tissue. Question 2 What is the utility of…
The Fundamental Unit of Life Class 9 – NCERT Science Solutions Intext Questions 1 Question 1 Who discovered cells, and how? Answer Cells were discovered by Robert Hooke in 1665. He was examining a thin slice of cork with a…
Structure of the Atom Class 9 – NCERT Science Solutions Intext Questions 1 Question 1 What are the canal rays? Answer The canal rays are positively charged radiations present in a gas discharge. They helped in the discovery of another…
Atoms and Molecules Class 9 – NCERT Science Solutions Intext Questions 1 Question 1 In a reaction, 5.3 g of sodium carbonate reacted with 6 g of acetic acid. The products were 2.2 g of carbon dioxide, 0.9 g of…
Is Matter Around Us Pure Class 9 – NCERT Science Solutions Intext Questions 1 Question 1 What is meant by a substance? Answer A substance is a pure single form of matter. It is made up of one kind of…
Matter in Our Surroundings Class 9 – NCERT Science Solutions Intext Questions 1 Question 1 Which of the following are matter?Chair, air, love, smell, hate, almonds, thought, cold, lemon water, the smell of perfume. Answer The following substances are matter:…
Chapter 10 Gravitation Class 9 Science NCERT Solutions In Text Questions Page No: 134 1. State the universal law of gravitation Answer The universal law of gravitation states that every object in the universe attracts every other object with a…
Notes of Chapter Magnetic effect of current, class 10, Science