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CBSE Class 12 Biology Practice Paper Set - I

Sep 2, 2015 19:00 IST

    Find CBSE Class 12 Biology Practice Paper Set - I for the coming half yearly exam. These questions not only help the students to prepare for exams in a better manner, but also help them in understanding the depth with which a topic should be studied.

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    Few Sample Questions from the Question Paper are given below:

    Q. Somatic chromosome number is 40. What shall be the chromosome number in the cells of seminiferous tubules?

    Q. Which disorder is caused in man by the absence of one sex chromosome?

    Q. Why DNA move towards the anode in gel electrophoresis?

    Q. If 60 child were born in a hospital out of which 6 child died in a week, then what would be the death rate of children in that hospital?

    Q. Answer the following questions:

    1. The mature insulin is different from proinsulin secreted by the pancreas. Explain?
    2. How human functional insulin was produced using r DNA technology?
    3. Why is the functional insulin produced is considered better than the ones used earlier by diabetic patients?
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