Name of the University : University of Hyderabad
Exam : Entrance Examinations
Paper: Ph.D. Biotechnology
Document Type : Model Question Paper
Year : 2016
Website : http://igmlnet.uohyd.ac.in:8000/question-papers.htm#Ph_D_-_Programs_
Download Model/Sample Question Paper :
2010 : https://www.pdfquestion.in/uploads/11473-Biotechnology2010.pdf
2011 : https://www.pdfquestion.in/uploads/11473-Biotechnology2011.pdf
2012 : https://www.pdfquestion.in/uploads/11473-Biotechnology2012.pdf
2013 : https://www.pdfquestion.in/uploads/11473-Biotechnology2013.pdf
2014 : https://www.pdfquestion.in/uploads/11473-Biotechnology2014.pdf
2015 : https://www.pdfquestion.in/uploads/11473-Biotechnology2015.pdf
2016 : https://www.pdfquestion.in/uploads/11473-BioTechnology2016.pdf
Ph.D. Biotechnology Sample Question Paper :
Please read carefully before answering the questions :
1. Answers are to be marked on the following the instructions provided there upon.
2. Handover the OMR answer sheet at the end of the examination to the Invigilator.
3. The question paper contains 75 questions of multiple-choice type printed in 13 pages, including this page. OMR Answer sheet provided separately.
4. The marks obtained in Part-A will be used for resolving the tie cases.
5. All questions carry one mark each.
6. 0.33 marks will be deducted for every wrong answer.
7. Non-programmable scientific calculators are permitted.
8. Cell/Mobile phones are strictly prohibited in the examination hall.
PART – A :
1. Fatty acid methyl esters of varying carbon lengths can be separated by
a) Gas chromatography
b) Affinity column chromatography
c) Sucrose density gradient centrifugal
d) Ion exchange chromatography
2) Positively charged basic amino acids are
a) Lysine and arginine
b) Lysine and asparagine
c) Glutamine and arginine
d) Lysine and glutamine
3) If the Standard Gibb’s free energy, AGo, for a reaction is positive then
a) the products will be favored
b) the reactants will be favored
c) the concentration of the reactants and products will be equal
d) all of the reactant will be converted to product
4) Succinate is converted to fumarate by succinate dehydrogenase. In the presence of reversible competitive inhibitor, malonate in place of succinate, the enzyme’s
a) Km decreases and Vmax remains the same
b) both Km and Vmax decreases
c) Km increases and Vmax remains the same
d) both Km and Vmax increases
5) Which one of the following inhibits transcription?
a) Rifampicin
b) Chloremphenicol
c) Novobiocin
d) Kanamycin
6) A person’s broca’s area on his left hemisphere was affected when he experienced a stroke. What ability could be affected?
a) understanding what others say
b) being able to speak
c) being able to touch his nose
d) reading
7) Sex lethal (sxl) in Drosophila is transcribed when
a) the X auto some balance is less than 0.5
b) the X auto some balance is 1 or greater
c) the X auto some balance equals 0.5
d) none of the above
8) A synchronous culture is one in which the majority of cells proceed through
a) Lagphase
b) Logphase
c) Exponential phase
d) Each cell cycle phase ( Gl, S, G2 and M)
9) Which of the following statement is false:
a) Large insoluble or aggregate macro molecules are more immunologic
b) D-amino acid polymers are more immunologic
c) L amino acid polymers can be easily degraded within APCs
d) B cell only recognizes antigen presented by class I or Class II molecules
l0)One of the following is not molecular descriptor
a) Molecular weight
b) Log P
c) Molecular absorption
d) Refractive index
11) Cells that release histamine and other vaso active substances in response to allergens are
a) Neutrophils
b) macrophages
c) NK cells
d) mast cells
12) One of the following nucleotide substitution in the coding part of DNA is an example of synonymous substitution
a) TCC to TCA (Serine to Serine)
b) GAC to CAC (Aspartate to Arginine)
c) TGG to TGA (Tryptophan to stop-codon)
d) GAA to GCA (Glutamate to Alanine)
13)When the power of ocular lens is 10 x and objective lens is 20 x, the magnification is
a) 30 times
b) 2}times
c) 200 times
d) 2000 times
l4)The following are true about antigen presenting cells (APC) EXCEPT:
a) Langerhan cells are the antigen presenting cells of the epidermis
b) Expresses co stimulatory molecules
c) CD8+ cells only recognize antigen presenting cells bearing MHC I molecules
d) Follicular dendritic cells are professional antigen presenting cells.
15)Which of the following occur in the presence of glucose?
a) lac Z gene expression is increased
b) oAMP increases
c) Binding of CAP-CAMP complex to the promoter area decreases
d) none of the above