CBSE Class 12 Electrical Appliances Question Paper 2019 with Answer Key (February 23)

CBSE CLASS XII Questions

• 1.

  Arrange the following hormones in sequence of their secretion in a pregnant woman : hCG; LH; FSH; Relaxin.

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• 2.

  The process of copying genetic information from template strand of DNA into RNA is called transcription. It is mediated by RNA polymerase. Transcription takes place in the nucleus of eukaryotic cells. In transcription, only a segment of DNA and only one of the strands is copied into RNA. 

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• 3.

  In an economy, the currency held by the public, Net Demand Deposits with Commercial Banks and Net Time Deposits with Commercial Banks stand at ₹ 1,42,000 crore, ₹ 22,000 crore and ₹ 86,000 crore respectively. The value of Money Supply (M1) would be ₹ _______ crore.

  • 2,50,000
    
  • 86,000
    
  • 1,64,000
    
  • 1,42,000
    
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• 4.

  Study the given chart showing evolution of plants. Answer the following questions : 

  

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• 5.

  How does a chromosomal disorder differ from a Mendelian disorder ? Write one example for each.

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• 6.

  (I) Write the scientific names of the two species of filarial worms causing filariasis.
  (II) How do they affect the body of infected persons ?
  (III) How does the disease spread ?

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