Download PTU B.Tech 2020 March Biotechnology 3rd Sem BTBT303 18 Microbiology Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) BE/BTech Bio-Technology (Biotechnology Engineering) 2020 March 3rd Sem BTBT303 18 Microbiology Previous Question Paper

1 | M-76947 (S2)- 439
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (BT) (2018 Batch) (Sem.?3)
MICROBIOLOGY
Subject Code : BTBT303-18
M.Code : 76947
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a. Koch's postulates
b. Biogenesis v/s abiogenesis
c. Lyophilization
d. Synchronous growth
e. Endospore
f. Flagella
g. Diauxic growth
h. Mycoplasma
i. Tuberculosis
j. Tyndallization

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1 | M-76947 (S2)- 439
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech. (BT) (2018 Batch) (Sem.?3)
MICROBIOLOGY
Subject Code : BTBT303-18
M.Code : 76947
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a. Koch's postulates
b. Biogenesis v/s abiogenesis
c. Lyophilization
d. Synchronous growth
e. Endospore
f. Flagella
g. Diauxic growth
h. Mycoplasma
i. Tuberculosis
j. Tyndallization

2 | M-76947 (S2)- 439
SECTION-B
2. List out differences between prokaryotes and eukaryotes? Give suitable examples.
3. What are obligate parasites and obligate anaerobes? Explain by giving examples.
4. Explain batch, fed-batch and continuous fermentation with suitable examples and
applications?
5. What is conjugation, transformation and transduction? How interrupted mating is used in
gene mapping?
6. What is microbial growth, generation time and growth rate? What are direct and indirect
methods of measurement of growth?

SECTION-C
7. What are different cheap sources of carbon and nitrogen for industrial fermentations?
Discuss their composition uses and economic value.
8. List five major diseases caused by microorganisms in humans and their causative agents
and how they are controlled?
9. What is numerical taxonomy? What is similarity index? Which molecular technique is
used in identification of bacteria?







NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.

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