Model Question Paper PhD Biotechnology Entrance Exam Dr MGR University : www.drmgrdu.ac.in

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Dr. M.G.R. Educational and Research Institute UNIVERSITY
Dept. of Biotechnology
Model Questions Paper
Entrance Examination for Ph.D Admission(March 2012)

Model Question List : http://www.drmgrdu.ac.in/Enterence%2...for%20Ph.D.htm
Model Question Paper : http://www.drmgrdu.ac.in/Enterence%2...Technology.pdf

Part A (10X1=10) Marks

1. Counterstain used in gram staining is
a. Crystal violet b. alcohol c. iodine d. none of the above

2. Whis enzyme is needed to fix nitrogen into organic compounds?
a. Nitrogenase b. glutamine synthase c. glutamate synthase d. both B & C

3. The random loss of alleles in a population is called
a. Mutation b. selection c. genetic drift d. gene flow

Part B (6X5=30) Marks
1. What are the different levels of protein structure?

2. What is the principle behind the production of monoclonal antibodies?

3. What are the applications of the Human Genome Project?