1. Choose the correct sentence:

2. Identify the correct passive form: “They built this house in 1990.”

3. Choose the correct reported speech: She said, “I am going to the market.”

4. Identify the correct tag question: “You haven’t seen my keys, _____?”

5. Choose the correct preposition: “I’m not very good _____ mathematics.”

6. Identify the correct conjunction: “I wanted to go swimming _____ the water was too cold.”

7. Choose the correct modal verb: “You _____ wear a seatbelt when you drive.”

8. Identify the correct comparative form: “This is the _____ movie I’ve ever seen.”

9. Choose the correct article: “I saw _____ owl in the tree last night.”

10. Identify the correct verb form: “By next year, I _____ my degree.”

11. A body is projected with a velocity of 20 m/s at 60° to the horizontal. What is the maximum height reached?

12. The focal length of a convex lens is 20 cm. An object is placed 30 cm from the lens. Where is the image formed?

13. A charge of 2 µC is placed in an electric field of 100 N/C. What is the force on the charge?

14. The time period of a simple pendulum is 2 s. If its length is doubled, what is the new time period?

15. A wire carries a current of 5 A. The magnetic field at 0.1 m from the wire is:

16. The efficiency of a Carnot engine operating between 400 K and 300 K is:

17. The wavelength of light emitted by a laser is 600 nm. Its frequency is:

18. A capacitor of 10 µF is charged to 100 V. The energy stored is:

19. The half-life of a radioactive sample is 2 days. After 6 days, what fraction remains?

20. The moment of inertia of a solid sphere about its axis is:

21. The IUPAC name of CH₃CH₂CH₂OH is:

22. The pH of a 0.01 M HCl solution is:

23. The oxidation state of Cr in K₂Cr₂O₇ is:

24. The gas liberated when Na reacts with water is:

25. The hybridization of carbon in ethene (C₂H₄) is:

26. The molar mass of glucose (C₆H₁₂O₆) is:

27. The catalyst used in the Haber process is:

28. The shape of NH₃ molecule is:

29. The functional group in aldehydes is:

30. The element with atomic number 17 belongs to:

31. The tissue responsible for secondary growth in dicot stems is:

32. The process of water movement through a plant is called:

33. The site of photosynthesis in plant cells is:

34. The primary source of nitrogen for plants is:

35. The type of inflorescence in mustard is:

36. The enzyme involved in nitrogen fixation is:

37. The plant hormone that inhibits growth is:

38. The reproductive organ of angiosperms is:

39. The process of double fertilization occurs in:

40. The pigment responsible for red color in leaves is:

41. The primary source of energy for the human body is:

42. The organ primarily responsible for filtering blood is:

43. The hormone that regulates blood sugar is:

44. The causative agent of malaria is:

45. The largest gland in the human body is:

46. The process of gamete formation is called:

47. The respiratory pigment in human blood is:

48. The part of the brain responsible for balance is:

49. The mode of nutrition in Amoeba is:

50. The number of chambers in the human heart is: