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Class 12th CBSE 2015 Biology Paper Set 1

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Class-12th CBSE
Subject-Biology Set 1
year-2015      

Here is some questions:-
SECTION – A

1. A geneticist interested in studying variations and patterns of inheritance in living beings prefers to choose organisms for experiments with shorter life cycle. Provide a reason.
SECTION – B
1. Differentiate between male and female heterogamety.
SECTION – C
1. Describe the process of Parturition in humans.
SECTION – D
1. Since October 02, 2014 “Swachh Bharat Abhiyan” has been launched in our country.  (a) Write your views on this initiative giving justification.  
SECTION – E
1. Explain the genetic basis of blood grouping in human population.

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