Tamilnadu Board Class 12 Biology Sample Papers 2011
Tamilnadu Board Sample Papers 2011 for Class 12 Biology
Sample Paper – 2011
Subject – Biology
1.What is the role of genetic drift in evolution?
2.Explain the karyotyping of human chromosomes.
3.Describe briefly about activation of adaptive immunity.
4.What is the pathogen, symptoms and mode of transmission of Rabies and Cholera?
5.Define the process of absorption and assimilation of digested food.
6.Define Hardy-Weinberg’s law.
7.What do you mean by artificial pacemaker?
8.Why do we say future source of power is Hydrogen?
9.Describe main characteristic features of Assel bred of lowl.
10.Write the definition of differentiation.
11.What do you mean by cDNA?
12.Write about pedigree analysis.
13.Explain any three measures of graft rejection.
14.Write the definition of diploid cell srain?
16.Write a passage on non-hazardous solid waste management.
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