AIIMS Previous Papers 2009

1.

2. What is the molarity of H₂SO₄ solution that has a density of 1.84 g/cc at 35°C and contains 98% by weight?

3. A pendulum clock is set to give correct time at the sea level. The clock is moved to a hill station at an altitude h above sea level. In order to keep correct time on the hill station which one of the following adjustments is required?

4. Mercurous chloride exists in the form of

5. Who wrote the book ‘India’ Wins Freedom?

6. A force F acting on an object varies with distance x as shown in the figure. The force is in N moving the object from x = 0 to x = 6 m is

7. A person who shows unpredictable moods, outbursts of emotions, quarrelsome behavior and conflicts with others is suffering from

8. Who amongst the following cricketers has been chosen for Rajiv Gandhi Khel Ratna Award, 2007?

9. The runner up in 2009 Wimbledon Men’s Singles was

10. Four charges are arranged at the corners of a square as shown in the figure. The direction of electric field at the center of the square is along

11. The president of India is elected by

12. Which of the following fluorides has the lowest melting point?

13. Which one feature is common to leech, cockroach and scorpion?

14. Which of the following is an example of chain silicates?

15. Which of the following postulates is related with Neo-Darwinism?

16. Tincture of iodine is

17. The metal compound commonly found in Sindhoor or Kumkum is based on

18. Three equal weights of 3 kg each are hanging on a string passing over a frictionless pulley as shown in figure. The tension in the string between masses II and III will be (Take g = 10 m/sec²)

19. A 0.1 mole solution of an acid is 4.5% ionized. Calculate freezing point. (molecular weight of the acid is 300). K_f = 1.86 K mol⁻¹ kg.

20. The wavelength of K_α X-rays for lead isotopes Pb²⁰⁸, Pb²⁰⁶ and Pb²⁰⁴ are λ₁, λ₂ and λ₃ respectively. Then

21. When the inputs of a two logic gate are 0 and 0, the output is 1, when the inputs are 1 and 0, the output is zero. The type of logic gate is

22. What is diapedesis?

23. Formula of microcosmic salt is

24. KF combines with HF to form KHF₂. This compound contains the species

25. Delicate hair-like feathers which remain sparsely distributed over the body arec

26. A ball is bouncing down a flight of stairs. The coefficient of restitution is e. The height of each step is d and the ball descends one step each bounce. After each bounce it rebounds to a height h above the next lower step. The height is large enough compared with the width of step so that the impacts are effectively head-on. Find the relationship between h and d.

27. A nucleus of mass number 220 decays by α decay. The energy released in the reaction is 5 MeV. The kinetic energy of an α-particle is

28. A convex lens of refractive index 3/2 has a power of 2.5 D in air. If it is placed in a liquid of refractive index 2, then the new power of the lens is

29. Which of the following shows bond in silicone?

30. Which one of the following depresses brain activity and produces feelings of calmness, relaxation and drowsiness?

31. The term stagflation refers to a situation where

32. What is ratio of Bohr magneton to the nuclear magneton?

(A) m_p/m_e

(B) m²_p/m²_e

(C) 1

(D) M_e/m_p

33. The specific conductance of a N/10 KCl at 25°C is 0.0112 ohm⁻¹ cm⁻¹. The resistance of cell containing solution at the same temperature was found to be 55 ohm. The cell constant will be

34. For a dilute solution, Raoult’s law states that

35. Which of the element shows +4 oxidation state?

36. A body is projected horizontally with a velocity of 4√2 m/sec. The velocity of the body after 0.7 second will be nearly (Take g = 10 m/sec²)

37. To a 25 ml H₂O₂ solution, excess of acidified solution of KI was added. The iodine liberated required 20 ml of 0.3 N Na₂S₂O₃ solution. The volume strength of H₂O₂ solution is

38. The dimensions of specific resistance are

39. Which among the following thermometers is preferred for measuring temperature around 1250°C?

40. The type of epithelial cells which line the inner surface of Fallopian tubes, bronchioles and small bronchi are known as

41. A body of mass 5 kg moving with a speed of 1.5 m/s on a horizontal smooth surface collides with a nearly weightless spring of force constant k = 5 N/m. The maximum compression of the spring would be

42. Intermediate host is absent in the infection of

43. Which of the following nerves arises from organ of Corti?

44. Which of the following graph depicts spring constant k versus length l of the spring correctly?

45. India’s Deep Joshi has recently been honoured with

46. Reciprocal of impedance is

47. de Broglie wavelength λ associated with neutrons is related with absolute temperature T as

48. pH of a 0.01 M solution (K_a = 6.6 x 10⁻⁴)

49. Homo erectus evolved during

50. Which event brought about a profound change in ashoka’s administrative policy?