1 Science for Class 9 ( New NCERT )

Short Answer Type Questions Ques 1: What is a tissue? How does tissue formation help multicellular organisms? Ans: A tissue is […]

Short Answer Type Questions  Ques 1: What is the limit of resolution of the human eye? How does a microscope

Short Answer Type Questions Ques 1: What is a scientific model? Give one example. Ans: A scientific model is a simplified

Q1: What is the geosphere? Ans: The geosphere consists of solid rocks, soil, landforms such as the Deccan plateau and the

Q1: What is biodiversity? Ans: The immense variety of living organisms found in countless forms and habitats on the Earth is

Q1: Define reproduction. Why is it important for living organisms? Ans: Reproduction is a biological process by which living beings produce

Q1: How is sound produced? Ans: Sound is produced by vibrating objects. Vibration refers to the periodic to and fro motion

Q1: State the Law of Conservation of Mass. Ans: The Law of Conservation of Mass states that mass can neither be

Q1: Who first used the term ‘atomos’ and what does it mean? Ans: The Greek philosophers Leucippus and Democritus used the

Q1: Define work done by a constant force on an object. Ans: Work done on an object by a constant force