Exercises Q1. Explain the importance of reproduction in organisms.Ans: Reproduction is a biological process through which living organisms produce offspring similar to themselves. Living organisms reproduce to maintain their number and […]
“Reaching the Age of Adolescence” is a chapter in the Class 8 Science textbook that focuses on the physical and emotional changes that occur during puberty. Adolescence is a […]
Exercises Q1. Give two examples each of situations in which you push or pull to change the state of motion of objects.Ans: Examples of situations in which […]
Table of contents Page No. 141 Q1: What do we get from cereals, pulses, fruits, and vegetables? Ans: The things we get from cereals, pulses, fruits, and […]
Table of contents Page No. 39 Q1. What are canal rays?Ans: Canal rays are a type of positively charged radiation discovered by E. Goldstein in 1886. They are […]
Table of contents Page No. 51 Q1. Who discovered cells and how?Ans: Q2. Why is the cell called the structural and functional unit of life?Ans: Page […]
Table of contents Page No. 61 Q1. What is a tissue?Ans: A group of cells that are similar in structure and/or work together to achieve a particular […]