CBSE Class 12 Air-Conditioning And Refrigeration - III Question Paper 2013 with Answer Key (March 5, Code - 112/1)

CBSE CLASS XII Questions

• 1.

  Match Column A with Column B regarding important Committees of the Constituent Assembly and its Presidents and choose the correct option :
  

  

  • a-iv, b-iii, c-ii, d-i
    
  • a-i, b-ii, c-iii, d-iv
    
  • a-iii, b-iv, c-i, d-ii
    
  • a-iv, b-i, c-ii, d-iii
  View Solution

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• 2.

  Read the following statements carefully regarding Al-Biruni’s ‘‘Kitab-ul-Hind’’ and choose the correct option :
  I. It is a voluminous text of eighty chapters.
  II. It is written in Arabic, Urdu and Hindavi.
  III. Each of its chapters begins with a question.
  IV. It covers many subjects like astronomy, festivals, etc.
  

  • I, III and IV are correct.
    
  • I, II and III are correct.
    
  • I, II and IV are correct.
    
  • II, III and IV are correct.
  View Solution

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• 3.

  Arrange the following rulers in chronological order and choose the correct option :
  I. Kanishka
  II. Mahapadma nda
  III. Samudragupta
  IV. Chandragupta Maurya
  

  • I, III, IV, II
    
  • II, IV, I, III
    
  • III, I, II, IV
    
  • IV, II, III, I
  View Solution

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• 4.

  A DNA molecule is 160 base pairs long. It has 30% Guanine. How many Adenine bases are present in this DNA molecule?

  • 48
    
  • 64
    
  • 96
    
  • 192
    
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• 5.

  Two statements are given below. They are Assertion (A) and Reason (R). Read both the statements carefully and choose the correct option. Assertion (A): In recent decades, the urban population of India has grown rapidly. Reason (R): In India, the workforce is shifting from farm-based to non-farm-based occupations.
  

  • Both (A) and (R) are true and (R) is the correct explanation of (A).
    
  • Both (A) and (R) are true, but (R) is not the correct explanation of (A).
    
  • (A) is true, but (R) is false.
    
  • (A) is false, but (R) is true.
    
  View Solution

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• 6.

  Which one of the following is the main objective of 'Haryali Project'?

  • Water conservation for irrigation and fisheries
    
  • Water conservation for industries
    
  • Surface water availability for transport
    
  • Surface water availability for recreation
    
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