Heavy Metals, Chemical Residues, Antibiotics, Practice Questions (Q1-5) - Dairy Chemistry | Agrigyan Practice

1

ICAR JRF Dairy Chemistry 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Which of the following diseases can be diagnosed at ante-mortem examination of animals at lairage?

Cirrhosis Tuberculosis Brucellosis Rabies

2

ICAR JRF Dairy Chemistry 29 Jun 2024Shift 1

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.

3

ICAR JRF Dairy Chemistry 29 Jun 2024Shift 1

Statement Based +4 −1

Given below are two statements

Statement (I) : All the bacteria in the Enterobacteriaceae family are Gram negative.

Statement (II) : Most of the bacteria in the Enterobacteriaceae family are pathogens.

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

Both Statement (I) and Statement (II) are true. Both Statement (I) and Statement (II) are false. Statement (I) is true but Statement (II) is false. Statement (I) is false but Statement ({I) is true.

4

ICAR JRF Dairy Chemistry 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

The molecular weight of ferrous ammonium sulphate (NH4)2Fe(SO4)z-6H20 is 392. Twenty one (21 g) of ferrous ammonium sulphate is dissolved in water and final volume is made to 500 mi. Express the concentration of iron on ppm basis. Atomic weight of iron is 56.

3 ppm 6 ppm 30 ppm 60 ppm

5

ICAR JRF Dairy Chemistry 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

In Atomic Absorption Spectroscopy, with what material the cathode in Hollow cathode lamp is constructed?

Tungsten Quartz Element to be investigated Aluminium

General Agriculture

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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

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Casein Fractionation Casein Micelle Supramolecular Architecture 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, Active 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

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