CBSE Class 12 Painting Question Paper 2019 with Answer Key (March 16)

CBSE CLASS XII Questions

• 1.

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

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• 2.

  Briefly explain the events of fertilisation and implantation in an adult human female.

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• 3.

  Draw the structure of an antibody molecule and label any four of its parts.

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• 4.

  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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• 5.

  (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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• 6.

  The purpose of opening a Demat Account with a Depository Participant (DP) is :
  

  • For holding and transferring securities in the Demat form
    
  • For entering into an agreement with broker
    
  • For making payment to stock exchange for any purchase of securities
    
  • For enabling cash transactions in the securities market
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