NDA 2011 (2) - Solved Paper

61. With regard to animal breeding, which one among the following is not correct?

  1. In-breeding : Mating of more closely related animals within the same breed for 1 - 2 generations
  2. Out-breeding : Breeding of unrelated animals of the same breed without common ancestors for 4 — 6 generations
  3. Cross-breeding : Superior males of one breed are mated with superior females of another breed
  4. Out-crossing : Offspring is called an ‘out-cross’

62. Which one among the following statements regarding heart sound is correct?

  1. Heart sounds are caused by the internal blood flow inside the heart
  2. Heart sounds are caused by the external blood flow outside the heart
  3. Heart sounds are caused by opening and closing of heart values
  4. Normal sounds are called ‘murmurs’

63. Which one among the following cell organelles is semi-permeable?

  1. Cell membrane
  2. Plasma membrane
  3. Cell wall
  4. Nucleus

64. Thermometer A and B have ice points marked at 15 and 25 and steam points at 75 and 125 respectively. When thermometer A measures the temperature of a bath as 60, the reading of B for the same bath is

  1. 60
  2. 75
  3. 90
  4. 100

65. Which one among the following most correctly determines the atomic number of an element?

  1. Number of protons
  2. Number of protons and electrons
  3. Number of ions
  4. Number of nucleons

66. Potential at a point due to a point charge is V. The charge is doubled and also the distance of the point from the charge is doubled. The new potential is

  1. V/2
  2. 4V
  3. V
  4. 2V

67. Which one among the following is used to make periscope?

  1. Concave lens
  2. Concave mirror
  3. Plane mirror
  4. None of the above

68. Kilowatt-hour is the unit of

  1. potential differences
  2. electric power
  3. electric energy
  4. electric potential

69. A stable nucleus (light with A < 10) has

  1. exactly the same number of neutrons and protons
  2. more neutrons than protons
  3. no neutrons/li>
  4. no protons

70. In oxidation

  1. Hydrogen is displaced from a substance.
  2. An electropositive element is added to or proportion of electropositive element increases in a substance.

Select the correct answer using the code given below :

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

71. When a copper rod is dipped in aqueous silver nitrate solution, the colour of the solution changes to blue. This is because

  1. Cu is more easily reduced than Ag
  2. Ag is more easily reduced than Cu
  3. Nitrate ion acts as an oxidizing agent
  4. Nitrate ion acts as a reducing agent

72. The reaction that takes place in soap making is called saponification. Basically soap is sodium or potassium salts of

  1. long chain monocarboxylic acids
  2. glycerol
  3. long chain dicarboxylic acids
  4. long chain tricarboxylic acids

73. The number of protons in a negatively charged atom (anion) is

  1. more than the atomic number of the element
  2. less than the atomic number of the element
  3. more than the number of electrons in the atom
  4. less than the number of electrons in the atom

74. The metal constituent of chlorophyll is

  1. Iron
  2. Potassium
  3. Manganese
  4. Magnesium

75. During explosion of gunpowder, which of the following gases are evolved in the proportion of 1 : 3?

  1. Oxygen : Nitrogen
  2. Nitrogen : Oxygen
  3. Nitrogen : Carbon dioxide
  4. Carbon dioxide : Nitrogen

76. Which of the following statements regarding Mughal paintings is/are correct?

  1. The paintings of Akbar’s time were mostly confined to book illustrations and portraits.
  2. Mir Sayyid Ali of Herat and Khwaja Abdus Samad formed the nucleus of the Mughal School of painting which fused together the non-Islamic and Islamic elements.

Select the correct answer using the code given below :

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

77. Which of the following is statements regarding consolidation of British power in 18th century Bengal is/are correct?

  1. The Nawab granted the Company the Nizamat powers in 1765.
  2. The duties of collecting revenues and administration of justice were entrusted with the European officials of the East India Company.

Select the correct answer using the code given below :

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

78. Which of the following statements about industrial revolution in Europe is not correct?

  1. Britain was the first country to experience the industrial revolution
  2. England was fortunate as coal and iron resources were plentifully available, as were other minerals - lead, copper and tin - that were used in industry
  3. From the 1780s, the iron industry symbolized the British industrial revolution
  4. In England, the movement of goods between markets was helped by a good network of rivers and an indented coastline

79. In a democracy, individual differences are encouraged because

  1. individuals will place the good of the nation ahead of their own preferences
  2. individuals will tend to act and think alike in the long run
  3. individual differences make diverse beneficial contributions to the common cause
  4. the Constitution guarantees the right of the individual to act as he pleases

80. The Supreme Court of India has expanded the meaning of the Right to Life to include the following derivative rights. Which one among the following is not included in the Court’s definition?

  1. Right to food and adequate livelihood
  2. Right to education
  3. Right to live in a healthy environment
  4. Right to health and information

81. Which of the following statements is / are correct?

  1. The major constituent mineral of granite rock is quartz.
  2. The major constituent mineral of sandstone rock is feldspar.
  3. The major constituent mineral of limestone rock is dolomite.

Select the correct answer using the code given below :

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

82. Which one among the following is a primary rock?

  1. Sedimentary
  2. Igneous
  3. Metamorphic
  4. None of the above