Class 9 - Biology - Multiple Choice Questions (2022-23)1. Who discovered cell?a) Robert Hookeb) Robert Brownc) Anton Leeuwenhoekd) Schleiden & Schwann2. Which plastids are colourless?a) Chro
CBSE Class 9 Physics - Sound - Very Short Answer-Based Questions (VSQA)Q1. Define vibration?Answer: Rapid to and fro motion of an object.Q2. How is sound produced?Answer: Vibrating objects produce sou
CBSE Class 9 - Chemistry - Atoms and Molecules - Very Short Answer Based Questions - AnswersQ1. What is the chemical symbol of lead and mercury?Q2. Monika finds that all samples of pure water ha
Class 9 - Physics - What is the difference between Gravitation Constant (G) and Gravitational acceleration (g)The gravitational constant (G) is a fundamental physical constant that appears in Newton's
Class 9 Science Half Yearly Question Paper (Set 1) 2022 - 23One of the most significant sources of knowledge is science. It performs a number of tasks for the benefit of our society- including develop
