81. Insect resistant cotton plant have been genetically engineered by inserting a gene from a

1. 1. Virus

   
   
   

   2. Bacterium

   
   
   

   3. Insect

   
   
   

   4. Plant

   
   
   

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   NA

   Correct Option: B

   NA

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82. Artificial gene synthesis was first done in laboratory by

1. 1. Millar

   
   
   

   2. Khurana

   
   
   

   3. D. Veries

   
   
   

   4. Kelvin

   
   
   

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   NA

   Correct Option: B

   NA

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83. RNA Contains

1. 1. Hexose

   
   
   

   2. Ribose

   
   
   

   3. Fructose

   
   
   

   4. Glucose

   
   
   

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   NA

   Correct Option: B

   NA

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84. One gene one enzyme theory is given by

1. 1. Watson and Crick

   
   
   

   2. Har Govind Khurana

   
   
   

   3. Beadle and Tatum

   
   
   

   4. Morgan

   
   
   

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   NA

   Correct Option: C

   NA

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85. Assertion (A) : DNA finger printing has became a powerful tool to establish paternity and identity of criminal in rape and assault cases.
    Reason (R) : Trace evidences such as hair, saliva and dried semen are adequate for DNA analysis.
    Codes

1. 1. Bot A and B are true and R is the correct explanation of A.

   
   
   

   2. Both A and R are true but R is not the correct explanation of A.

   
   
   

   3. A is true but R is false.

   
   
   

   4. A is false but R is true.

   
   
   

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   NA

   Correct Option: A

   NA

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