Exam Details
| Subject | Food Microbiology | |
| Paper | ||
| Exam / Course | POST GRADUATE DIPLOMA IN FOOD SCIENCE AND TECHNOLOGY (PGDFT) | |
| Department | School of Agriculture (SOA) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
1. Fill in the blanks:
Vinegar is chemically
Penicillin, the first discovered antibiotic is produced by
The milk clotting enzyme used in cheese making is called
Virus infecting bacteria is called
Moist heat kills by
Examples of ionizing radiations are
UV light produces dimers which interfere in the replication of DNA.
A common alcohol used for the surface or on skin for killing micro-organisms is
The water activity of most fresh foods is above
pH is defined as
2. Match the following
Anton Von Leeuwenhoek Appert
Canning Metchnikoff
Father of probiotics Pedioein
Clostridium sp Microscope
Pediocoecus G +ve anaerobic spore former
Surface taint of butter Enterobacteriaceae
Nisin Radiations
Bergey (viii) Taq DNA Polymerase
Agaricus Acetic acid
Gas gangrene Diacetyl flavour
Dahi Clostridial infection of tissues
Vinegar Mushroom
PCR (xiii) Manual of systematic bacteriology
Cold sterilization Lactoeoccus lactis
E. coli Pseudomonas putrefaciens
Nitrates Pasteurization
Lactobacillus bulgaricus (xvii) Gram negative bacteria
Avian Flu (xviii) Bulgarian butter milk
Lipid A Virus
Louis Pasteur Curing of meat
Define the following in one sentence:
High acid foods
Ionising radiation
D value
Halophilic bacteria
Intermediate moisture foods
Saccharolytic bacteria
Botulism
(viii) Putrefaction
Asepsis
Generation time
Expand the following
HEPA
GRAS
FDA
SPC
UV
EMB
CSIR
(viii) LTHT
RNA
MA storage
4. Write short notes on any two of the following:
Sonication
Natural souring of milk
Vinegar fermentation
Gas formation
Describe Clostridium perfringens food poisoning.
Describe ropy fermentation of milk or cream and butter formation of sweetened condensed milk.
Define sweet curdling. Describe proteolysis with respect to milk and dairy products.
Distinguish between the following:
Disinfection and Antiseptic
Moist heat and Dry heat
D and F values
Sterilization and Pasteurization
Exotoxins and Endotoxins
What is chemical food preservation? Describe the use of benzoates, sorbates, propionates and nitrates in food preservation.
What is soft rot? Describe the organisms responsible for this and the factors affecting the development of soft rot.
Vinegar is chemically
Penicillin, the first discovered antibiotic is produced by
The milk clotting enzyme used in cheese making is called
Virus infecting bacteria is called
Moist heat kills by
Examples of ionizing radiations are
UV light produces dimers which interfere in the replication of DNA.
A common alcohol used for the surface or on skin for killing micro-organisms is
The water activity of most fresh foods is above
pH is defined as
2. Match the following
Anton Von Leeuwenhoek Appert
Canning Metchnikoff
Father of probiotics Pedioein
Clostridium sp Microscope
Pediocoecus G +ve anaerobic spore former
Surface taint of butter Enterobacteriaceae
Nisin Radiations
Bergey (viii) Taq DNA Polymerase
Agaricus Acetic acid
Gas gangrene Diacetyl flavour
Dahi Clostridial infection of tissues
Vinegar Mushroom
PCR (xiii) Manual of systematic bacteriology
Cold sterilization Lactoeoccus lactis
E. coli Pseudomonas putrefaciens
Nitrates Pasteurization
Lactobacillus bulgaricus (xvii) Gram negative bacteria
Avian Flu (xviii) Bulgarian butter milk
Lipid A Virus
Louis Pasteur Curing of meat
Define the following in one sentence:
High acid foods
Ionising radiation
D value
Halophilic bacteria
Intermediate moisture foods
Saccharolytic bacteria
Botulism
(viii) Putrefaction
Asepsis
Generation time
Expand the following
HEPA
GRAS
FDA
SPC
UV
EMB
CSIR
(viii) LTHT
RNA
MA storage
4. Write short notes on any two of the following:
Sonication
Natural souring of milk
Vinegar fermentation
Gas formation
Describe Clostridium perfringens food poisoning.
Describe ropy fermentation of milk or cream and butter formation of sweetened condensed milk.
Define sweet curdling. Describe proteolysis with respect to milk and dairy products.
Distinguish between the following:
Disinfection and Antiseptic
Moist heat and Dry heat
D and F values
Sterilization and Pasteurization
Exotoxins and Endotoxins
What is chemical food preservation? Describe the use of benzoates, sorbates, propionates and nitrates in food preservation.
What is soft rot? Describe the organisms responsible for this and the factors affecting the development of soft rot.
Other Question Papers
Departments
- Centre for Corporate Education, Training & Consultancy (CCETC)
- Centre for Corporate Education, Training & Consultancy (CCETC)
- National Centre for Disability Studies (NCDS)
- School of Agriculture (SOA)
- School of Computer and Information Sciences (SOCIS)
- School of Continuing Education (SOCE)
- School of Education (SOE)
- School of Engineering & Technology (SOET)
- School of Extension and Development Studies (SOEDS)
- School of Foreign Languages (SOFL)
- School of Gender Development Studies(SOGDS)
- School of Health Science (SOHS)
- School of Humanities (SOH)
- School of Interdisciplinary and Trans-Disciplinary Studies (SOITDS)
- School of Journalism and New Media Studies (SOJNMS)
- School of Law (SOL)
- School of Management Studies (SOMS)
- School of Performing Arts and Visual Arts (SOPVA)
- School of Performing Arts and Visual Arts(SOPVA)
- School of Sciences (SOS)
- School of Social Sciences (SOSS)
- School of Social Work (SOSW)
- School of Tourism & Hospitality Service Sectoral SOMS (SOTHSM)
- School of Tourism &Hospitality Service Sectoral SOMS (SOTHSSM)
- School of Translation Studies and Training (SOTST)
- School of Vocational Education and Training (SOVET)
- Staff Training & Research in Distance Education (STRIDE)
Subjects
- Dairy Technology
- Food Chemistry And Nutrition
- Food Microbiology
- Food Packaging, Safety And Quality Management
- Food Processing And Engineering
- Fruit And Vegetable Technology
- Meat, Fish And Poultry Technology
- Technology Of Cereals, Pulses And Oil Seeds