Casein Micelle Supramolecular Architecture Practice Questions (Q1-3) - Dairy Chemistry | Agrigyan Practice

1

ICAR JRF Dairy Chemistry 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Milk appears white due to the presence of

Whey proteins Soluble calcium hydrogen phosphate Colloidal calcium caseinate Lactose

2

ICAR JRF Dairy Chemistry 29 Jun 2024Shift 1

Statement Based +4 −1

Given below are two statements

Statement (I) : The sedimentation coefficient of a particle characterizes its sedimentation during centrifugation

Statement (II) : Sedimentation coefficient is defined as the ratio of a particle's sedimentation velocity to the applied acceleration causing the sedimentation

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

Both Statement (I) and Statement (II) are correct Both Statement (|) and Statement (II) are incorrect Statement (I) is correct but Statement (II) is incorrect. Statement (I) is incorrect but Statement (II) is correct.

3

ICAR JRF Dairy Chemistry 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Ultracentrifuge can generate centrifugal force which could be as high as

1000 xg 10000 x g 100000 x g 1000000 x g

General Agriculture

6 Topics

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

Unit 1

8 Topics

Physical Properties of Milk Gross Composition & Species Variations Ghee Chemistry Cream Separation Physics, Fat Globule Size Di Salt Equilibria in Milk Milk Plasma, Serum & Phase Distribution of Mi Lactose Chemistry Butter Churning Theories & Phase Inversion Dy

Unit 2

8 Topics

Casein Fractionation Casein Micelle Supramolecular Architecture Active Role of Hydrocolloid Stabilizers, Emulsifiers Ice-Cream Colloidal Physics Cryoscopy of Frozen Desserts Milk Bioactive Protective Proteins Whey Proteins Indigenous Milk Enzymes

Unit 3

10 Topics

Condensed & Evaporated Milk Chemistry Differential Scanning Calorimetry , Rheometry Maillard Browning in Milk Milk Powder Chemistry UHT Processing Chemistry Indigenous Dairy Products Chemistry Chromatography in Dairy Lipids, Sugars & Resi Mid-Infrared , Fourier Transform & Ultrasonic Milk Heat Stability Electrophoresis & Mass Spectrometry in Milk P

Unit 4

7 Topics

Hazard Analysis Critical Control Point & Qual Codex Alimentarius, BIS Specifications & Agma Milk Lipid Oxidation Milk Fat Globule Membrane Milk Fatty Acid Profiles FSSAI Standards for Milk & Milk Products Fat-Soluble Vitamins , Carotenoids & Natural

Unit 5

2 Topics

Heavy Metals, Chemical Residues, Antibiotics, Chemical Detection of Milk Adulterants

Unit 6

5 Topics

Milk Clotting Enzymatic Mechanisms Cheese Ripening & Curd Syneresis Factors Fermented Milk Products Chemistry Processed Cheese Chemistry Coagulation Dynamics

Dairy Chemistry- ICAR JRF/SRF 2024

120 Questions Bilingual

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

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