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

Q1: What is force? Ans: Force is a physical quantity that can make an object move from rest, change its speed,