Microbiology - Fundamentals of Microbiology - I, Download PDF Question Paper 2021 for B.Sc., B.A 1 1st Semester Previous years Examination.

B.A., B.Sc. (General) First Semester

Microbiology - Fundamentals of Microbiology - I 

Paper-1

Time allowed: 3 Hours] [Max. Marks: 33 

NOTE: Attempt five questions in all, including Question No. I which is compulsory and selecting one question from each Unit.

I. Briefly Answer the following:

a) Who is the father of Medical Microbiology? Give his main contribution: 

b) Define pure culture 

c) What is dry sterilization? 

d) What are vectors? 

e) Scissors of Recombinant Technology. 

f) Streptomyces

UNIT-I 

II. a) Discuss the scope and applications of Microbiology. 

b) Describe the methods of isolation of pure culture of bacteria.

III. a) Give a comparison of prokaryotic and eukaryotic cell. 

b) Describe the growth of a typical bacterial cell culture.

UNIT - II 

IV. a) What are the general characteristics of fungi which differentiate them from algae?

b) What are the functions of flagella and capsule in bacterial cell?

V. Explain the following:

a) Biosynthesis of endospores 

b) Organization of bacterial cell wall

UNIT -III 

VI. a) Discuss the various steps for gene cloning in bacteria.

b) What are the applications of DNA recombinant technology in daily life?

VII. Write notes on the following:

a) Types of plasmids and their properties: 

b) Restriction enzymes as tool of recombinant technology.

UNIT - IV 

VIII. a) Write in detail the role of microorganisms in nitrogen fixation. 

b) What do you know about bio-pesticides and their merits over synthetic pesticides?

IX. a) How symbiotic associations of microbes with vascular plants are beneficial? Discuss with suitable examples. 

b) Discuss the microbial flora commonly found in rhizoplane and their functions.