NDA 2012 (1) - Solved Paper

Solved Question Paper - General Knowledge of NDA Exam held on 15.04.2012

31. The following equation is an example of a redox reaction, in which Cl2 is the oxidizing agent and FeBr3 is the reducing agent:

2FeBr3(aq) + 3Cl2(g) = 2FeCl3(aq) + 3Br2(l)
Which one among the following statements if incorrect for this redox reaction?

  1. Oxidizing agents are themselves reduced
  2. Reducing agents gain or appear to gain electrons
  3. Reducing agents are themselves oxidized
  4. Oxidizing agents oxidize other substances

32. Which one among the following nitrogen compounds has the least percentage of nitrogen by mass

  1. (NH4)3PO4
  2. NH3
  3. NH4OH
  4. NH4NO3

33. Which one among the following is the correct order of amount of lime (CaO), silica (SiO2), alumina (Al2O3) and ferric oxide (Fe2O3) in Portland cement

  1. CaO > SiO2 > Al2O3 > Fe2O3
  2. SiO2 > CaO > Fe2O3 > Al2O3
  3. Al2O3 > SiO2 > CaO > Fe2O3
  4. Fe2O3 > Al2O3 > SiO2 > CaO

34. Which one among the following transitions of electron of hydrogen atom emits radiation of the shortest wavelength?

  1. n = 2 to n = 1
  2. n = 3 to n = 2
  3. n = 4 to n = 3
  4. n = 5 to n = 4

35. Which one among the following is the most appropriate statement with respect to the atomic weight of an element?

  1. The atomic weight of an element is the sum total of the number of protons and neutrons present in the atom of the element
  2. Unlike mass number, the atomic weight of an element can be a fraction
  3. The atomic weight of an element is a whole number
  4. The atomic weight of all the atoms in an element is the same

36. During the discussion on the Demands for Grants, motions can be moved to reduce the amount of a demand. Such a motion is called a 'cut-motion'. Which of the following categories are classified as 'cut-motion'?

  1. Disapproval of policy cut
  2. Economy cut
  3. Token cut

Select the correct answer using the code given below:

Code:

  1. 1 and 2 only
  2. 2 and 3 only
  3. 1, 2 and 3 only
  4. 1 and 3 only

37. Which of the statements given below is/are correct?

  1. The Speaker immediately vacates his/her office whenever the State Legislative Assembly is dissolved.
  2. No Member of a State Legislative Assembly shall be liable to any proceeding in any court in respect of anything said or any vote given by him/her in the legislature.

Select the correct answer using the code given below:

Code:

  1. 1 only
  2. 2 only
  3. Both 1 and 2
  4. Neither 1 nor 2

38. Consider the following statements about Cripps Proposals of 1942 :

  1. Provision was to be made for participation of Indian States in the Constitution-making body.
  2. British Government undertook to accept and implement the Constitution
  3. All provinces of British India were to give an undertaking about the acceptance of the Constitution.
  4. In the ongoing World War, no resources of British India would be used.

Which of the statements given above is/are correct?

Code:

  1. 1 and 2 only
  2. 2 only
  3. 1, 2 and 4
  4. 1, 3 and 4

39. Which one among the following was NOT one of the causes of the Third Anglo-Maratha War?

  1. The Maratha Chiefs, particularly the Peshwa desired to throw off the restrictions imposed on them by the treaties with the English
  2. The determination of the English to give a finishing blow to the Maratha power
  3. The Pindari designs to seek support from the Marathas to drive the English away from India
  4. The attack of Peshwa Baji Rao on the residency at Khirki

40. William Bentinck attempted to reform Hindu society by suppressing/abolishing social evils. Which one among the following was not included in them?

  1. Sati
  2. Infanticide
  3. Thugi
  4. Slavery

41. Karam is a festival celebrated to worship Karam Devta, the God of power. Which one among the following tribal communities in India traditionally celebrates this festival?

  1. Santhals
  2. Karbi
  3. Meenas
  4. Bhils

42. The terra-cotta plough of the Harappan civilization was found at

  1. Mohenjo-daro
  2. Banawali
  3. Kalibangan
  4. Lothal

43. Which one among the following works of Mahatma Gandhi provides a critique of modern machine-oriented civilization?

  1. The Story of My Experiments with Truth
  2. Hind Swaraj
  3. Constructive Programme
  4. Anasakti Yoga (Commentary on 'Gita')

44. An object is in uniform circular motion on a plane. Suppose that you measure its displacement from the centre along one direction, say, along the x-axis. Which one among the following graphs could represent this displacement (x)?

q103

45. The penetrating power of X-rays can be increased by

  1. increasing the current in the filament
  2. decreasing the potential difference between the cathode and the anode
  3. decreasing the current in the filament
  4. increasing the potential difference between the cathode and the anode
q105

46. The graph given above indicates change in temperature (θ) when heat (Q) was given to a substance. Which among the following parts of the graph correctly depict the latent heat of the substance?

  1. AB and BC
  2. BC and DE
  3. CD and DE
  4. DE and AB

47. When a solid object is immersed in water, there is a loss in its weight. This loss is

  1. equal to the weight of the water displaced
  2. less than the weight of the water displaced
  3. greater than the weight of the water displaced
  4. not related to the weight of the water displaced