Civil Service Preliminary Paper-1 Previous Year Solved Questions for the year 2013


31) Many transplanted seedlings do not grow because
  1. the new soil does not contain favorable minerals
  2. most of the root hairs grip the new soil too hard
  3. most of the root hairs are lost during transplantation
  4. leaves get damaged during transplantation

 


32) Consider the following pairs about parks and rivers passing through them:
  1. Corbett National Park: Ganga
  2. Kaziranga National Park: Manas
  3. Silent Valley National Park: Kaveri
Which of the above pairs is/are correctly matched?
  1. 1 and 2
  2. 3 only
  3. 1 and 3
  4. None


33) In which of the following States is lion-tailed macaque found in its natural habitat?
  1. Tamil Nadu
  2. Kerala
  3. Karnataka
  4. Andhra Pradesh
Select the correct answer using the codes given below.
  1. 1, 2 and 3 only
  2. 2 only
  3. 1, 3 and 4 only
  4. 1, 2, 3 and 4


34) In the grasslands, trees do not replace the grasses as a part of an ecological succession because of
  1. insects and fungi
  2. limited sunlight and paucity of nutrients
  3. water limits and fire
  4. None of the above



35) Which one of the following is the correct sequence of ecosystems in the order of decreasing productivity?
  1. Oceans, lakes, grasslands, mangroves
  2. Mangroves, oceans, grasslands, lakes
  3. Mangroves, grasslands, lakes, oceans
  4. Oceans, mangroves, lakes, grasslands
 

36) Due to improper / indiscriminate disposal of old and used computers or their parts, which of the following are released into the environment as e-waste?
  1. Beryllium
  2. Cadmium
  3. Chromium
  4. Heptachlor
  5. Mercury
  6. Lead
  7. Plutonium
Select the correct answer using the codes given below.
  1. 1, 3, 4, 6 and 7 only
  2. 1, 2, 3, 5 and 6 only
  3. 2, 4, 5 and 7 only
  4. 1, 2, 3, 4, 5, 6 and 7

  

37) Which of the following can be found as pollutants in the drinking water in some parts of India?
  1. Arsenic
  2. Sorbitol
  3. Fluoride
  4. Formaldehyde
  5. Uranium
Select the correct answer using the codes given below.
  1. 1 and 3 only
  2. 2, 4 and 5 only
  3. 1, 3 and 5 only
  4. 1, 2, 3, 4 and 5


38) Which one among the following industries is the maximum consumer of water in India?
  1. Engineering
  2. Paper and pulp
  3. Textiles
  4. Thermal power
  

39) Acid rain is caused by the pollution of environment by
  1. carbon dioxide and nitrogen
  2. carbon monoxide and carbon dioxide
  3. ozone and carbon dioxide
  4. nitrous oxide and sulphur dioxide
  

40) Consider the following pairs:
  1. Nokrek Bio-sphere Reserve : Garo Hills
  2. Logtak (Loktak) Lake : Barail Range
  3. Namdapha National Park : Dafla Hills
Which of the above pairs is/are correctly matched?
  1. 1 only
  2. 2 and 3 only
  3. 1, 2 and 3
  4. None
 

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