Science

18 chapters 303 solved questions

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Chapters

1. 1 Chapter 1 Laws of Motion 16 Q
2. 2 Chapter 2 Work and Energy 28 Q
3. 3 Chapter 3 Current Electricity 14 Q
4. 4 Chapter 4 Measurement of Matter 21 Q
5. 5 Chapter 5 Acids, Bases and Salts 29 Q
6. 6 Chapter 6 Classification of Plants 14 Q
7. 7 Chapter 7 Energy Flow in an Ecosystem 13 Q
8. 8 Chapter 8 Useful and Harmful Microbes 15 Q
9. 9 Chapter 9 Environmental Management 25 Q
10. 10 Chapter 10 Information Communication Technology (ICT) 9 Q
11. 11 Chapter 11 Reflection of Light 19 Q
12. 12 Chapter 12 Study of Sound 13 Q
13. 13 Chapter 13 Carbon: An Important Element 19 Q
14. 14 Chapter 14 Substances in Common Use 29 Q
15. 15 Chapter 15 Life Processes in Living Organisms 10 Q
16. 16 Chapter 16 Heredity and Variation 12 Q
17. 17 Chapter 17 Introduction to Biotechnology 8 Q
18. 18 Chapter 18 Observing Space: Telescopes 9 Q

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• Write the differences. Simple tissue and complex tissues in plants. Simple Tissue in plants Complex Tissues in plants (i) They are made up of only one type of cells. (i) They are made up of more than one type... Chapter 17 Introduction to Biotechnology 1 answer
• Write the names of the following tissues. a. Tissue lining inner surface of mouth. b. Tissue joining muscles and bone a. Tissue lining inner surface of mouth. Answer: Squamous epithelium. b. Tissue joining muscles and bones. Answer: Tendon c. Tissue responsi... Chapter 17 Introduction to Biotechnology 1 answer
• Identify the odd word and explain why it is odd. c. Cartilage, bone, tendon, cardiac muscle. Cardiac muscle is the odd one out because rest of the three are connective tissues while cardiac muscle is a type of muscular tissue. Chapter 17 Introduction to Biotechnology 1 answer
• Which application software in computer system did you find while studying science and how? While studying science we requires most of the application software which are running in computer. Microsoft PowerPoint: For the presentatio... Chapter 10 Information Communication Technology (ICT) 1 answer
• Define antibiotics ? Antibiotics are the organic compounds which are also produced by the microorganisms which inhibits the growth or kills the other disease cau... Chapter 8 Useful and Harmful Microbes 1 answer
• What is fermentation? The process in which complex organic compounds are decomposed into simpler one in the presence of enzyme is called as fermentation. Curd is... Chapter 8 Useful and Harmful Microbes 1 answer