CBSE Class 12 Informatics Practices Question Paper 2018 with Answer Key (March 23)

CBSE CLASS XII Questions

• 1.

  Choose the correct option from the following to fill in the blank regarding the regions of tiolist leaders of India :
  Bipin Chandra Pal : Bengal; Lala Lajpat Rai : ____

  • Maharashtra
    
  • Gujarat
    
  • Punjab
    
  • Delhi
  View Solution

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• 2.

  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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• 3.

  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
    
  View Solution

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• 4.

  Which one of the following is an example of forest-based industry?

  • Textiles
    
  • Sugar
    
  • Lac
    
  • Edible oil
    
  View Solution

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• 5.

  Which of the following types of land was cultivated every year without leaving it fallow during the reign of Akbar ?

  • Chachar
    
  • Parauti
    
  • Polaj
    
  • Banjar
  View Solution

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• 6.

  Which of the following equations is NOT a Linear Differential Equation?

  • \((1 + x^2) \, dy + 2xy \, dx = \cot x \, dx\)
    
  • \(y + \frac{d}{dx}(xy) = x(\sin x + \log x)\)
    
  • \(x(1 + y^2) \, dx - y(1 + x^2) \, dy = 0\)
    
  • \(y \, dx - (x + 3y^2) \, dy = 0\)
  View Solution