Biostatistics M.SC Model Question Papers : alagappauniversity.ac.in

Name of the University : Alagappa University
Degree : M.SC
Department : Microbiology
Subject Code/Name : Biostatistics
Document Type : Model Question Papers
Website : alagappauniversity.ac.in

Download Model/Sample Question Paper : APRIL 2010 : https://www.pdfquestion.in/uploads/alagappauniversity.ac.in/3893.-MSC_MICROBIOLOGY.pdf

Alagappa University Biostatistics Question Paper

Part – A (10 × 2 = 20) :
1. What is mode –
2. What is range –

Related / Similar Question Paper :
Alagappa University M.Sc General Microbiology Question Paper

3. What is a graph –
4. What is numerical data –
5. What is normal curve –
6. What is confidence interval –
7. Define the term ‘Probability’.
8. What is gene pool –
9. What is dependent variable –
10.What is null hypothesis

Part – B : (5 × 5 = 25)
Answer All questions
All questions carry equal marks
11. (a) Calculate the geometric mean of the following : 50, 72, 54, 82 and 93.
(Or)
(b) Calculate the value of median from the following data :
x 4 5 6 7 8 9
f 8 10 9 6 5 3
12. (a) Give an account of frequency distribution.
(Or)
(b) The given data indicate the number of colonies of aspergilli and penicillia in different field soils. Represent the data by means of a multiple bar diagram.

13. (a) Give an account of standard error and its utility.
(Or)
(b) What do you know about the confidence interval of a mean.
14. (a) What do you know about critical values or significant values ?
(Or)
(b) Give an account of genotype frequencies.
15. (a) Give an account of the types of correlation.
(Or)
(b) What do you know about the line of best fit.

Part – C : (3 × 10 = 30)
Answer any Three questions
All questions carry equal marks
16. Give an account of measures of central tendency.
17. Give an account of the method of graphic presentation of data.
18. Give an account of Gaussian distribution.
19. Give an account of the procedure for testing of hypothesis.
20. Find out the coefficient of correlation from the following data :
X 65 66 67 67 68 69 71 73
Y 67 68 64 68 72 70 69 70

M.Sc. Degree Examination, April 2010 :

Biochemistry

(CBCS—2008 onwards)
Duration : 3 Hours
Maximum : 75 Marks
Section – A (10 × 2 = 20)
Answer All questions.
1. How water acts as solvent for sodium chloride ?
2. Define : Inorganic Compounds.
3. Define : Mitochondria.
4. Define : Selective permeability.
5. Define : ATP.
6. What is dehydrogenation ?
7. Define : Anabolism.
8. What is meant by animation ?
9. What is exoenzyme ?
10. Define coenzyme.

Section – B : (5 × 5 = 25)
Answer All the questions.
11. (a) What is the role of buffer in biological system ?
Or
(b) Write an account on simple lipids.
12. (a) Give an account on oxidative phosphorylation.
Or
(b) Describe the structure of plasma membrane.
13. (a) Describe phosphorylation types for ATP synthesis
Or
(b) Briefly explain the metabolic pathway of energy production.
14. (a) What are the enzyme involved in TCA cycle ?
Or
(b) Briefly describe the lipid metabolism.
15. (a) Write short notes on riboenzyme
Or
(b) Briefly explain immobilization of enzyme and its application.

Section -C : (3 × 10 = 30)
Answer any Three of the following questions.
16. Write an essay on the classification of carbohydrates.
17. Write an essay on the mechanism of membrane transport.
18. Explain the biological oxidation – reduction reactions.
19. Write an essay on nucleotide metabolism.
20. Write an essay on nomenclature and classification of enzyme.

M.Sc. Degree Examination, April 2010 :

Microbial Physiology

(CBCS—2008 onwards)
Duration : 3 Hours
Maximum : 75 marks
Section – A (10 × 2 = 20)
Answer All questions.
1. What are the laws of thermodynamics ?
2. Write an account on energy bonds.
3. Elucidate the structure of chlorophyll.
4. Define anoxygenic photosynthesis.
5. List the functions of ATP.
6. Differentiate homo and heterolactic fermentation.
7. How does exospores are formed by Streptomyces griseus ?
8. Brief the structure of Bacillus endospore.
9. What are osmophilic bacteria ?
10. What is cell signalling ?

Section – B : (5 × 5 = 25)
Answer All the questions.
11. (a) Write about the role of electron carriers in oxidationreduction reactions
Or
(b) Short notes on : (i) inhibitors.
(ii) Electron acceptors,
12. (a) Compare purple nonsulphur and green sulphur bacterial photosynthesis.
Or
(b) Define anabolism. Briefly write an account on gluconeogenesis.
13. (a) Narrate C3 pathway.
Or
(b) Illuminate in detail about C4 pathway.
14. (a) Give an account on oxidative phosphorylation.
Or
(b) Briefly describe the sporogenesis of Bacillus megaterium
15. (a) What is bioluminescence ? Give its applications.
Or
(b) What is starvation ? Give examples for each extremophiles.

Section – C : (3 × 10 = 30)
Answer any Three questions.
16. Write an essay on basic aspects of bioenergetics, electron donors and acceptors.
17. Describe the mechanism of photosynthesis in cyanobacteria.
18. Define fermentation. Explain the carbohydrate fermentation with metabolic pathways.
19. Write shorts notes on :
(a) Akinetes.
(b) heterocyst.
(c) Chemotaxis.
(d) Photobacterium.
20. Define Quorum sensing. Explain its mechanism and applications.