CBSE – Class 9

Questions & Answers

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Showing 38 question(s) for CBSE Class 9 — Subject: Science
Science
Q1. What is matter?
Answer: Has mass and occupies space.
Science
Q2. What is atom?
Answer: Smallest unit of matter.
Science
Q3. What is velocity?
Answer: Speed with direction.
Science
Q4. Newton law?
Answer: F=ma
Science
Q5. Work formula?
Answer: W=F×d
Science
Q6. Kinetic energy?
Answer: Energy of motion.
Science
Q7. Tissue?
Answer: Group of similar cells.
Science
Q8. Unit of work?
Answer: Joule
Science
Q9. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q10. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q11. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q12. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q13. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q14. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q15. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q16. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q17. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q18. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q19. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q20. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q21. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q22. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q23. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q24. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q25. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q26. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q27. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q28. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q29. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q30. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q31. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q32. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q33. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q34. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q35. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.
Science
Q36. What is photosynthesis? (Class 9)
Answer: Photosynthesis is the process by which green plants prepare food using sunlight.
Science
Q37. Define evaporation. (Class 9)
Answer: Evaporation is the process of liquid changing into vapour at any temperature.
Science
Q38. State Newton's first law. (Class 9)
Answer: An object remains at rest or in motion unless acted upon by an external force.