66. Mendal worked on

1. 1. Edible pea

   
   
   

   2. Wild pea

   
   
   

   3. Garden pea

   
   
   

   4. Pegion Pea

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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67. Which one is correctly matched

1. 1. Down syndrome - 44 autosome + XO

   
   
   

   2. Klinfelter's syndrome - 44 autosomes + XXY

   
   
   

   3. Erythroblastosis foetalis - X linked

   
   
   

   4. Colour blindness - Y linked

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: B

   NA

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68. Circular DNA is present in

1. 1. E.R. and Ribosomes

   
   
   

   2. Ribosomes and chloroplasts

   
   
   

   3. Ribosomes and mitochondria

   
   
   

   4. Mitochondira and chloroplasts

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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69. Who got noble prize for artificial synthesis of DNA ?

1. 1. M. Calvin

   
   
   

   2. Khorana

   
   
   

   3. Tatum

   
   
   

   4. Kornberg

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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70. Which one of the following techniques can be used to establish the paternity of a child ?

1. 1. Protein analysis

   
   
   

   2. Quantitative analysis of DNA

   
   
   

   3. Chromosom counting

   
   
   

   4. DNA finger printing

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: D

   NA

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