CBSE Class 12 Sociology Question Paper 2019 with Answer Key (March 11)

CBSE CLASS XII Questions

• 1.

  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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• 2.

  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

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• 3.

  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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• 4.

  Two statements are given below. They are Assertion (A) and Reason (R). Read both the statements carefully and choose the correct option: Assertion (A): River valleys are sparsely populated areas of the world. Reason (R): Water is the most important factor for life.
  

  • 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.
    
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• 5.

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

  • Textiles
    
  • Sugar
    
  • Lac
    
  • Edible oil
    
  View Solution

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• 6.

  Choose the correctly matched pair from the following : (Crop) - (Leading Producer State)

  • Maize - Bihar
    
  • Jute - West Bengal
    
  • Groundnut - Rajasthan
    
  • Sunflower - Punjab
    
  View Solution