Class 9 Sample Paper 2022 Solution Science Term 1

Marking scheme sample IX General Instructions:  All questions carry equal marks. i.e 0.80 marks for each question.  There is no negative marking Ans.No. Correct response Section A 1. B. carbon dioxide ; water 2. D. both A and C 3. <10-9m 4. C. burning of magnesium ribbon. 5. D. both A and B 6. D. i, ii and iii 7. A. deoxyribonucleic acid 8. A. i and ii 9. B. Robert Hook 10. A. osmosis 11. D. both A and B 12. D. xylem parenchyma 13. B. Parenchyma: generally stores food. 14. D sclerenchyma tissue 15. D. I= lateral meristem; II= intercalary meristem ; III= apical meristem 16. D. m/s 17. C. only (i) 18. D. a bus moving with a constant velocity. 19. B. Car D is the faster than all 20. Graph C 21. A. Mass 22. B. newton (N) 23. C. Newton’s third law of motion. 24. C. force Section B 25. D. P=IV ;Q=II ;R=III; S=I. 26. B. solid and liquid 27. A. K=ii; L=iii; M=i; N=iv 28. B. ii, and iii 29. B- Chromoplasts -keep the cell clean 30. A. Mitosis 31. A. Both A and R are true and R is the correct explanation of A docs. 32. A. Both A and R are true and R is the correct explanation of A 33. C. A is true but R is false 34. A. Both A and R are true and R is the correct explanation of A

35. A. Both A and R are true and R is the correct explanation of A 36. A. hypotonic solution 37. C. X=II ; Z=I ; Y=III 38. D. synapse 39. D. A compound is heterogeneous in nature. 40. C. striated muscle 41. B. Squamous epithelium 42. C. membrane bound organelle 43. B. i and iii 44. B. gene 45. C. P= III;Q=I;R=II;S=IV 46. D. lysosomes 47. A. X 48. C. -10N SECTION -C 49. C. dispersed phase 50. A. Solution of solid and liquid 51. A. Amount of solute present per unit volume. 52. C.12.5% 53. B. vector quantity 54. A. accelerated motion 55. B. along a straight line tangent to the circular path 56. C. direction of motion is changing continuously 57. B. WBCs 58. A. blood coagulation 59. A. RBCs 60. D. both A and B Answers of alternative questions in lieu of picture based question for VI candidates. Answer Correct option No Section-A 13 A. i and iii. 15 A. apical meristem 19 B. Car C is the faster than all 20 B. line parallel to x-axis Section -B 36 C. isotonic solution 37 C. X=II ; Z=I ; Y=III 48 C. -10N Section -C 53 B. vector quantity 54 A. accelerated motion docs. 55 B. along a straight line tangent to the circular path 56 C. direction of motion is changing continuously