41. All offspring of a parents are not similar due to

1. 1. Variation

   
   
   

   2. Variation in environment

   
   
   

   3. Both a and b

   
   
   

   4. None of these

   
   
   

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   NA

   Correct Option: C

   NA

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42. Nucleosome contains

1. 1. Only histones

   
   
   

   2. Both DNA and histones

   
   
   

   3. Only DNA

   
   
   

   4. Both DNA and RNA

   
   
   

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   NA

   Correct Option: B

   NA

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43. Mendel's law of independent assortment is based on F₂ ratio of

1. 1. 1 : 2 : 1

   
   
   

   2. 9 : 3 : 3 : 1

   
   
   

   3. 2 : 1

   
   
   

   4. 3 : 1

   
   
   

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   NA

   Correct Option: B

   NA

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44. Mendal select pea plant for his experiment because

1. 1. They are cheaper

   
   
   

   2. These are easily avilable

   
   
   

   3. These are of great economic importance

   
   
   

   4. They have contrasting fraits

   
   
   

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   NA

   Correct Option: D

   NA

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45. An exception to Mendel's principles / Mendel did not include in his discoveries.

1. 1. Dominance

   
   
   

   2. Purity of gametes

   
   
   

   3. Linkage

   
   
   

   4. Independent assortment

   
   
   

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1. View Hint View Answer Discuss in Forum

   NA

   Correct Option: C

   NA

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