Previous Year Papers

61. Which one of the following denotes water salinity  gradient?

62. The largest amount of fresh water on our planet is in

63. Which of the following has the lowest mean net primary  productivity?

64. Which one of the following concerns soil?

65. Which of the following deserts is located in the  Southern Hemisphere?

66. Which of the following is the oldest and deepest lake of  the world?

67. Arrange the following atmospheric zones in terms of  the distance from the earth’s surface in an increasing  order and select the correct answer from the code  given below:  1. Thermosphere 2. Troposphere  3. Stratosphere 4. Mesosphere  Codes:

68. Which one of the following pairs is not correctly  matched?

69. Arrange the following lakes in the correct descending  order of their areas using the codes given below:  1. Great Bear 2. Baikal  3. Victoria 4. Superior  Codes:

70. The Earth’s axis of rotation (polar axis) is always  inclined at an angle of

71. Amount of rain depends on

72. Which of the following is not a cold ocean current?

73. Red sea is an example of

74. Consider the following events:  1. First reptiles  2. First insects  3. Shelled animals  4. First mammals  Arrange the above events in Chronological order of  their origin on the earth and select the correct answer  from the codes given below:  Codes:

75. In which of the following countries are the Pampas  grasslands situated?

76. At the mouth of which of the following rivers the ‘bird’s  foot’ type delta is formed?

77. The maximum concentration of ozone is found in which  of the following?