Match List with List-II Choose the correct answer from the... | Agrigyan

All Subjects General Agriculture Scope and History of Microbiology Microbial Genetics Microbiological Quality of Milk Microbiology of Processed Foods Starter Cultures and Probiotics Quality Assurance Fermentation Technology

Q.41

Dairy Microbiology- ICAR JRF/SRF 2024

MCQ (Single Correct) +4 −1

Which of the following thermoduric bacteria in raw milk shows a 100% survival rate during pasteurization of milk?

Microbacterium Coliforms Micrococci Bacillus

Q.42

Dairy Microbiology- ICAR JRF/SRF 2024

MCQ (Single Correct) +4 −1

Which of the following bacteria is known to be indicator organism for personnel hygiene?

Enterobactericea E.coli Staphylococcus auerus Enterococcus faecalis

Q.43

Dairy Microbiology- ICAR JRF/SRF 2024

MCQ (Single Correct) +4 −1

Which of the following bacteria are known to be zoonotic dairy pathogens?
(A). Listeria monocytogenes
(B). Campylobacter jejuni
(C). Lactobacillus bulgaricus
(D). Lactococcus diacetyllactis
(©). Salmonella species
Choose the correct answer from the options given below:

(A), (B) and (C) only. (A), (B) and (D) only, (A), (B), and (E) only. (B), (C) and (D) only.

Q.44

Dairy Microbiology- ICAR JRF/SRF 2024

Match the Following +4 −1

Match List with List-II

Choose the correct answer from the options given below:
Choose the correct answer from the options given below :

List - I		List - II
A	Bitty Cream Bitty Cream	I	Serretia marcense Serretia marcense
B	Sweet Curdling Sweet Curdling	II	Bacillus cereus Bacillus cereus
C	Fruity flavour Fruity flavour	III	Pseuromonas fragi Pseuromonas fragi
D	Red discoloration Red discoloration	IV	Bacillus subtilis Bacillus subtilis

(A) - (I), (B) - (II), (C) - (III), (D) - (IV) (A) - (II), (B) - (III), (C) - (IV), (D) - (I) (A) - (II), (B) - (IV), (C) - (III), (D) - (I) (A) - (III), (B) - (IV), (C) - (I), (D) - (I)

Q.45

Dairy Microbiology- ICAR JRF/SRF 2024

Assertion & Reason +4 −1

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : Khoa and khoa-based sweets are more prone to Staphylococcus aureus contamination and food poisoning problems

Reason (R) : Dairy Equipments are major source of entry of Staphylococcus aureus during preparation of khoa and khoa- based sweets

In light of the above statements, choose the correct answer from the options given below.

Both (A) and (R) are true and (R) is the correct explanation of (A) Both (A) and (R) are true but (R) is NOT the correct explanation of (A). (A) is true but (R) is false. (A) is false but (R) is true.

General Agriculture 20
Scope and History of Microbiology 10
Microbial Genetics 9
Microbiological Quality of Milk 25
Microbiology of Processed Foods 12
Starter Cultures and Probiotics 16
Quality Assurance 14
Fermentation Technology 14

General Agriculture

6 Topics

Agronomy, Tillage & Field Crop Production Agricultural Entomology, Nematology & Crop Protection Soil Science, Plant Nutrition & Reclamation Cell Biology, Plant Physiology & Biochemistry Agricultural Meteorology & Climate Science Crop Genetics, Plant Breeding & IPR

Scope and History of Microbiology

5 Topics

Bacterial Cell Ultrastructure: Peptidoglycan Architecture, Teichoic Acids & Periplasmic Transport Microbial Energetics & Membrane Transport: PEP-PTS Systems, ABC Transporters & PMF Microscopy in Dairying: Light, Fluorescence, Confocal, SEM, TEM & Specimen Preparation Microbial Taxonomy & Phylogeny: Polyphasic Taxonomy & 16S rRNA Molecular Classification Bacterial Growth Kinetics: Growth Phases, Specific Growth Rate, Generation Time & Chemostats

Microbial Genetics

5 Topics

Recombinant DNA Technology, PCR Primers & Metagenomics: DGGE & Amplicon Sequencing Molecular Genetics of Dairy Microorganisms: Central Dogma, Replication, Transcription & Translation Mutation & DNA Repair: Missense, Nonsense, Frameshift Mutations & Excision Repair Systems Horizontal Gene Transfer in Dairy Microbes: Conjugation, Transduction & Transformation Plasmids, Transposons & Phage Resistance: Dairy Plasmids (pSN2, pTRK2030) & Abortive Infection

Microbiological Quality of Milk

6 Topics

Raw Milk Microflora & Spoilage Dynamics: Succession from Bactericidal Stage to Acidification Milk-Borne Bacterial Pathogens & Zoonoses: Campylobacter jejuni, Listeria, E. coli O157:H7 & S. aureus Thermoduric & Thermophilic Microorganisms: Microbacterium, Sporeformers & 55°C Incubation Dairy Biofilms & Surface Adhesion: EPS Matrix, Quorum Sensing & CIP Sanitation Resistance Microbial Defects in Concentrated & Dried Milks: Mold Buttons, Bloat (Clostridium) & Bitterness Psychrotrophic Microflora & Cold-Chain Spoilage: Pseudomonas Heat-Stable Lipases & Proteases

Microbiology of Processed Foods

5 Topics

Food Biopreservation: Bacteriocins, Nisin, Pediocin, Mode of Action & GRAS Regulatory Status Radiation Microbiology: Non-Ionizing (UV, IR) vs Ionizing (Gamma, E-Beam) & Radiation Resistance Packaging Microbiology: Modified Atmosphere Packaging (MAP), Active Scavengers & Vacuum Spoilage Hurdle Technology & Intermediate Moisture Foods: Multi-Target Preservation & Homeostasis Milk Protective Systems & Bioactive Peptides: Lactoferrin, LP System & Antimicrobial Peptides

Starter Cultures and Probiotics

6 Topics

Cheese Microbiology & Ripening Flora: Starter vs NSLAB, Late Gas Defect & Flavor Development Probiotics Selection & Gastrointestinal Survival: Acid/Bile Tolerance (F1F0-ATPase) & FSSAI Standards Flavor Biogenesis in Fermented Milks: Diacetyl, Acetaldehyde (Threonine Pathway) & Acetoin Dairy Yeasts & Molds: Geotrichum candidum, Kluyveromyces & Ripening Fungi Lactic Acid Bacteria (LAB) Taxonomy & Hexose Fermentation: Homofermentative vs Heterofermentative Dairy Starter Culture Propagation: Media (Litmus Chalk Milk), Phage Control & Strains

Quality Assurance

5 Topics

Indicator Organisms of Dairy Sanitation: Total Coliforms, Fecal Coliforms, E. coli & Enterococci Microbiological Sampling Plans & Statistical Standards: Two-Class, Three-Class Plans & FSSAI Limits Rapid Detection & Biosensors in Dairy Microbiology: Optical, SPR, Piezoelectric & Impedance Sensors Commercial Sterility & Aseptic Quality Assurance: Sterility Testing, Incubation Protocols & Spores Biosafety in Dairy Laboratories: Biosafety Levels (BSL-1 to BSL-4) & M. tuberculosis Containment

Fermentation Technology

5 Topics

Bioreactor Design & Operating Modes: Batch, Fed-Batch, Chemostats & Continuous Fermentation Industrial Dairy Bioproducts & Enzymes: Microbial Rennet, Beta-Galactosidase & Biomass Production Active Fermentation Pathways & Bioenergetics: Alcoholic, Lactic & Mixed Acid Pathways, Pyruvate Fate Diagnostic Selective & Differential Media: Baird-Parker, XLD, EMB & Biochemical Identifications Solid State (SSF) vs Submerged Fermentation (SmF): Aeration, Energy Consumption & Downstream

Dairy Microbiology- ICAR JRF/SRF 2024

120 Questions Bilingual

RPSC Agriculture Exams

5 Exams

Food Safety Officer Assistant Agriculture Officer Agriculture Officer RPSC Agriculture Research Officer RPSC AARO

RSSB Agriculture Exams

1 Exam

RSSB Agriculture Supervisor

National & PG Entrances

4 Exams

ICAR AIEEA PG CUET UG Rajasthan Agriculture Pre-PG

ICAR JRF/SRF Active