Arrange the following in order of increasing magnitude of their... | Agrigyan

Q.1

Dairy Microbiology- ICAR JRF/SRF 2024 (Q.62)

Arranging Order +4 −1

Arrange the following in order of increasing magnitude of their numerical value only

A. Stefan Boltzmann Constant (kg s® K)

B. Planck's Constant (J s)

C. Speed of Light in Vacuum (m/s)

D. Universal Gas Constant (J mol"! K"*)

Choose the correct answer from the options given below:

B,A,D,C D,A,B,C B,D,A,C D,B,A,C

Q.2

Dairy Microbiology- ICAR JRF/SRF 2024 (Q.79)

MCQ (Single Correct) +4 −1

Which of the following bacteria known to be resistant to irradiation?

Gram positive bacteria Gram negative bacteria Yeast Molds

Q.3

Dairy Microbiology- ICAR JRF/SRF 2024 (Q.80)

MCQ (Single Correct) +4 −1

The non-ionising irradiation technology commonly used in the preservation of food includes

A. Ultraviolet (UV) radiation

B. Gamma rays

C. X-rays

D. Electron beams

E. Infrared

Choose the correct answer from the options given below:

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

खंड अ: सामान्य कृषि

6 टॉपिक्स

शस्य विज्ञान, जुताई एवं फसल उत्पादन कृषि कीट विज्ञान, सूत्रकृमि विज्ञान एवं फसल सुरक्षा मृदा विज्ञान, पादप पोषण एवं सुधार कोशिका विज्ञान, पादप कार्यिकी एवं जैव रसायन कृषि मौसम विज्ञान एवं जलवायु विज्ञान फसल आनुवंशिकी, पादप प्रजनन एवं आईपीआर

Scope and History of Microbiology

5 टॉपिक्स

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 टॉपिक्स

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 टॉपिक्स

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 टॉपिक्स

Food Biopreservation: Bacteriocins, Nisin, Pediocin, Mode of Action & GRAS Regulatory Status Radiation Microbiology: Non-Ionizing (UV, IR) vs Ionizing (Gamma, E-Beam) & Radiation Resistance सक्रिय 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 टॉपिक्स

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 टॉपिक्स

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 टॉपिक्स

Bioreactor Design & Operating Modes: Batch, Fed-Batch, Chemostats & Continuous Fermentation Industrial Dairy Bioproducts & Enzymes: Microbial Rennet, Beta-Galactosidase & Biomass Production 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

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National & PG Entrances

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ICAR AIEEA PG CUET UG Rajasthan Agriculture Pre-PG ICAR JRF/SRF