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Pacific University Ph.D Admission Test Biotechnology Sample Question Paper

Name of the University : Pacific University
Exam : Ph.D. Admission Test
Degree : PhD
Document Type : Sample Question Paper
Name of the Subject : Biotechnology
Website :
Download Model/Sample Question Paper :

Pacific University Admission Test Biotechnology Question Paper

Download Sample Question Paper For Ph.D. Admission Test Biotechnology from the Above PDF link
Max. Marks : 100

Related : Pacific University Ph.D. Admission Test Sample Question Paper :

Instructions for Candidates

** Attempt all 50 questions, each question carry 02 marks.
** There is no negative marking.
** Please write the correct answer in the form of A/B/C/D at appropriate given place with blue/black pen.

Sample Questions

1. Bacterial genomes is prevented by its own endonucleases by-
(A) Methylation at restriction sites
(B) Immune mechanism
(C) Nuclease resistant genome
(D) Are not much effective on bacterial genome [ ]

2. The difference which distinguish prokaryotic cell from eukaryotic is-
(A) ER
(B) Mesosome
(C) Nuclear Membrane
(D) Plasma membrane [ ]

3. Holiday junction is observed during:
(A) Mitosis
(B) Interphase
(C) Recombination
(D) DNA Repair [ ]

4. Presence of AIDS virus cannot be detected by-
(B) Western blotting
(C) Northern Blot
(D) Assay of full-length ds DNA [ ]

5. Which part of translational modification of proteins does not occur in lumen of ER
(A) Glycosylation
(B) Ubiquitnation
(C) Conformation folding & formation of quaternary structure
(D) Formation of Disulphide bonds [ ]

6. Which one of the following is correct for structure of cell wall of fungi and Bacteria?
(A) Both have glycopeptides
(B) Both are made up of N-acetylglucasamine
(C) Both are made up of murin
(D) Both are made up of chitin [ ]

7. Among the following which is true cell according cell theory-
(A) Virus
(B) Monerans
(C) Protestans
(D) Bacteria [ ]

8. The outer part of cytoplasm is usually termed as-
(A) Plasmasol
(B) Plasmagel
(C) Nucleoplasm
(D) Protoplasm [ ]

9. Polyribosome are seen in-
(A) Bacteria
(B) Fungi
(C) Angiosperms
(D) Mammals [ ]

10. Which of the following is correct with regard to aneuploidy?
(A) Inversion
(B) 2n + 1
(C) All aneuploid individuals die before birth.
(D) 4n [ ]

11. Which of the following is an example of a hydrophobic material?
(A) Paper
(B) Sugar
(C) Pasta
(D) Wax [ ]

12. Among the following which is longest cell-
(A) Hemp
(B) Ramie
(C) Jute
(D) Nerve fibre [ ]

13. The percentage amount of Integral protein of plasma membrane is-
(A) 40 %
(B) 50 %
(C) 60 %
(D) 70 % [ ]

14. Post translation modification of secretary proteins occurs in:
(C) Mitoco ndria
(D) Nucleus [ ]

15. How you can separate Gram + ve bacteria from Gram –ve bacteria-
(A) Presence of Techoic Acid
(B) Absence of periplasmic Space
(C) Exotoxin Produced
(D) All of the above [ ]

16. Number of antigen functional binding site in human Immunoglobin-M are-
(A) 2
(B) 5
(C) 10
(D) 20 [ ]

17. Lymphokines that recruit the macrophages for Phagocytosis are secreted by-
(A) T-cells
(B) B-cells
(C) Complement system
(D) MHC [ ]

18. Which among the following act as bridge between cell mediated and humoral immunity-
(A) T-cytoxic cells
(B) T-suppressor cells
(C) B-cells
(D) T-helper cells [ ]

19. A researcher made an interesting observation about a protein made by the rough ER and eventually used to build a cell’s plasma membrane. The protein in the membrane was actually slightly different from the protein made in the ER. The protein was probably changed in the
(A) Golgi apparatus.
(B) Smooth ER.
(C) Mitochondrion.
(D) Nucleus. [ ]

20. Mark the incorrect statement: Ribozyme and Abzyme are
(A) Both enzymes
(B) Both proteins
(C) RNA and protein respectively
(D) Able to hydrolyse phosphodiester and peptide bonds respectively

21. DNA sequencing is done on a sequencing gel, which is
(B) Urea-PAGE
(C) Native PAGE
(D) Agarose [ ]

22. Which one of the following electrophoresis dependents least on the charge of the protein?
(A) Free zone capillary electrophoresis
(B) Gel electrophoresis
(C) SDS-polycrylamide gel electrophoresis
(D) Isoelectric focusing [ ]

23. Which one of the following DNA polymerase is essential for both the replication and repair of DNA?
(A) DNA polymerase I
(B) DNA polymerase II
(C) DNA polymerase III
(D) DNA polymerase d [ ]

24. A mixture separated on HPLC gives clearly defined peaks whereas in a manually run column the peaks tend to blend into each other. This is primarily because
(A) The small size of the packing material used in the HPLC column
(B) The better control of flow in HPLC
(C) The use of high pressure in HPLC
(D) The use of better detection systems in HPLC [ ]

25. In an enzyme reaction the reaction velocity becomes more than double when the substrate concentration is doubled. This is possible when the equation governing the kinetics is
(A) Michelis-Menton Kinetics
(B) Micheils-Menton Kinetics with substrate inhibition
(C) Michelis-Menton Kinetics with product inhibition
(D)Hill Equation

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