igmlnet.uohyd.ac.in Entrance Examinations Ph.D. Animal Biology Question Paper : University of Hyderabad
Name of the University : University of Hyderabad
Exam : Entrance Examinations
Paper: Ph.D. Animal Biology
Document Type : Model Question Paper
Year : 2016
Website : http://igmlnet.uohyd.ac.in:8000/question-papers.htm
Download Model/Sample Question Paper :
Animal Biology 2010 : https://www.pdfquestion.in/uploads/11462-Animal2010.pdf
Animal Biology 2011 : https://www.pdfquestion.in/uploads/11462-Animal2011.pdf
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Animal Biology 2014 : https://www.pdfquestion.in/uploads/11462-Animal2014.pdf
Animal Biology 2015 : https://www.pdfquestion.in/uploads/11462-Animal2015.pdf
Animal Biology 2016 : https://www.pdfquestion.in/uploads/11462-Animal2016.pdf
Ph.D. Animal Biology Question paper :
Maximum Time: 2 hours
Maximum Marks: 75
INSTRUCTIONS:
1. Answers have to be marked on the OMR answer sheet following the instructions provided there upon Make sure that you have clearly marked the Booklet Code on your OMR sheet.
2. A questions carry one mark each. Answer all, or as many us you can.
Related : University of Mysore : www.pdfquestion.in/10313.html
3.separately, Check the before you start answering. taken into consideration
Part “A” :
1. A lethal congenital defect resulting from failure to close anterior neuropore during embryonic development is
A) Anencephaly
B) SPina bifida
C) Encephaloceles
D) Hydranencephaly
2. Which of the following stimulate glycogenolysis?
A) Insulin and glucagon
B) Glucagon and epinephrine
C) Insulin and epinephrine
D) Glucagon and norepinephrine
3. Intemational Union for Conservation of Nature (IUCN) is also called as
A) Man and biosphere Program
B) World conservation union
C) World conservation consortium
D) Worldwide conservation program
4. Gram-negative rod-shaped bacteria when incubated with lysozyme become spherical due to
A) Degradation of cell wall
B) Changq in lipid content of cell wall
C) Osmoticchanges
D) Degradation of cell membrane
5. In an enzyme catalyzed reaction, a non-competitive inhibitor causes
A) Decrease of Vmax
B) Decrease of both Km and Vmax
C) Increase of Km
D) Decrease of Km and Increase of Vmax
6. The MHC class I and class II molecules present antigenic peptides to CD8+ and CD4+ T cells respectively. MHC class II molecules acquire their peptide ligands from
A) Endoplasmic reticulum
B) Mitochondria
C) Endosomes
D) Golgi apparatus
7. Which one of the following hormones is most susceptible to open loop stimuli?
A) Luteotropin
B) Thyrotropin
C) Luteinizing hormone
D) Follicle stimulating hormone
8. Addition of cytochalasin B to cultured mammalian germ cells that have just begun meiosis results in
A) Arrest of cells in meiotic prophase I
B) The cells will not survive for meiotic division
C) The cells will go through meiosis I, but
D) The cells will complete meiosis I, but get will have interference in crossing over arested at cytokinesis
9. Which one of the following systems is required for regulating arterial pressure, blood volume and systemic vascular resistance?
A) Thymus-thymosin-lymphatic system
B) Renin-angiotensin-aldosterone system
C) Insulin-glucagon-glucose system
D) Corticoliberin-corticofopin- cortisol system
10. Which of the following codons is differently coded in Drosophila and Homo sepians
A) AGA
B) GAA
C) ATG
D) AAG
11. Molecular phylogenies in eukaryotes are constructed based on the nucleotide sequence of the
gene encoding
A) 55 rRNA
B) 165 rRNA
C) 23S rRNA
D) l8S rRNA
l2.Table length of DNA whose molecular weight is 3 x 107
A) 18,544 b
p B) 54,448bp
C) 34,544bp
D) 48,544bp
13. A homodimeric protein of molecular mass 60 kDa was subjected to SDS-PAGE after boiling with a buffer containing mercaptoethanol. Which of the following is visualised in the gel upon staining with Coomassie blue?
A) Single bdnd of 30 kDa
B) Single band of 60 kDa
C) Single band of 120 kDa
D) Two bands of 30 and 60 kD
14. During starvation, the tissue proteins and lipids are mobilized towards the formation of glucose by a process called
A) Glycogenesis
B) Glycogenolysis
q) Gluconeogenesis
D) Proteolysis and lipolysis
15. Synaptic pruning is a process usually seen during
A) Adolescence
B) Aging
C) Menopause
D) Non-neural pathology
16. By using the Hardy-Weinburg principle, which one of the expression represents the frequency of the homozygous recessive genotype?
A) 2pq
B) qt
c) p2
D) q
17. Biological oxygen demand (BOD) indicates
A) Oxygen content in water
B) Level of microbial pollution in water
C) Ozone content in water
D) Level of metal pollutionin water
18. Metabolic function of lung include which one of the following?
A) Inactivation of ADH
B) Conversion of Angiotensin II to Angiotensin I
C) Activation of Bradykinin
D) Inactivation of Serotonin (5HT)
19. The molecular weight of an alpha-helical protein is 35 kDa. Assuming that the mean molecular mass of amino acid t”ridrr” is l lODa, and the rise per amino acid in the alpha helix is 1.5A, the length of the protein will be
A) s2.s A
B) lo5 A
c) 477 A
D) 747 A
20. Following statement holds true for nucleolus
A) Clustering of IRNA genes and their
B) Clustering of Ribosomal protein genes transcription and their transcription
C) Clustering of SnoRNA genes and
D) Clustering of Ribosomal RNA genes their transcription and their transcription