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Latest NFSU NFAT MSc Food Technology Exam Question (Objective Questions), MCQ in English

Subjects : Chemistry, Physics, Life Sciences, Environmental Science and Forensic Science, Food Technology

Question Bank NFAT M.Sc Food Technology Exam - English
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Chemistry, Physics, Life Sciences, Environmental Science and Forensic Science

Question 1Single Answer
What is oxidation in a redox reaction?
  1. A
    Gain of electrons
  2. B
    Loss of electrons
  3. C
    Gain of protons
  4. D
    Loss of protons
Question 2Single Answer
What is reduction in a redox reaction?
  1. A
    Loss of electrons
  2. B
    Gain of electrons
  3. C
    Loss of protons
  4. D
    Gain of protons
Question 3Single Answer
Which process occurs at the anode in an electrochemical cell?
  1. A
    Reduction
  2. B
    Oxidation
  3. C
    Neutralization
  4. D
    Precipitation
Question 4Single Answer
Which process occurs at the cathode in an electrochemical cell?
  1. A
    Oxidation
  2. B
    Reduction
  3. C
    Neutralization
  4. D
    Precipitation
Question 5Single Answer
What is a redox reaction?
  1. A
    Reaction involving only oxidation
  2. B
    Reaction involving only reduction
  3. C
    Reaction involving both oxidation and reduction
  4. D
    Reaction without electron transfer
Question 6Single Answer
Which species is oxidized in a redox reaction?
  1. A
    Oxidizing agent
  2. B
    Reducing agent
  3. C
    Product
  4. D
    Catalyst
Question 7Single Answer
Which species is reduced in a redox reaction?
  1. A
    Reducing agent
  2. B
    Oxidizing agent
  3. C
    Product
  4. D
    Catalyst
Question 8Single Answer
What is the purpose of a salt bridge in a galvanic cell?
  1. A
    Conduct electrons
  2. B
    Maintain electrical neutrality
  3. C
    Increase voltage
  4. D
    Prevent reactions
Question 9Single Answer
Which type of cell generates electricity from a redox reaction?
  1. A
    Electrolytic cell
  2. B
    Galvanic cell
  3. C
    Fuel cell
  4. D
    Battery cell
Question 10Single Answer
Which type of cell uses electricity to drive a redox reaction?
  1. A
    Galvanic cell
  2. B
    Electrolytic cell
  3. C
    Fuel cell
  4. D
    Solar cell
Question 11Single Answer
What is the standard electrode potential of a hydrogen electrode?
  1. A
    0 V
  2. B
    1 V
  3. C
    -1 V
  4. D
    2 V
Question 12Single Answer
Which method is used to balance redox equations?
  1. A
    Half-reaction method
  2. B
    Substitution method
  3. C
    Elimination method
  4. D
    Matrix method
Question 13Single Answer
What is the role of an oxidizing agent in a redox reaction?
  1. A
    Gains electrons
  2. B
    Loses electrons
  3. C
    Accepts electrons
  4. D
    Donates protons
Question 14Single Answer
What is the role of a reducing agent in a redox reaction?
  1. A
    Accepts electrons
  2. B
    Donates electrons
  3. C
    Gains protons
  4. D
    Loses protons
Question 15Single Answer
Which gas is evolved at the cathode during electrolysis of water?
  1. A
    Oxygen
  2. B
    Hydrogen
  3. C
    Nitrogen
  4. D
    Carbon dioxide
Question 16Single Answer
Which gas is evolved at the anode during electrolysis of water?
  1. A
    Hydrogen
  2. B
    Oxygen
  3. C
    Nitrogen
  4. D
    Carbon dioxide
Question 17Single Answer
What is the standard cell potential of a galvanic cell?
  1. A
    E°cathode - E°anode
  2. B
    E°anode - E°cathode
  3. C
    E°cathode + E°anode
  4. D
    E°anode ÷ E°cathode
Question 18Single Answer
Which titration involves a redox reaction?
  1. A
    Acid-base titration
  2. B
    Redox titration
  3. C
    Complexometric titration
  4. D
    Precipitation titration
Question 19Single Answer
Which indicator is commonly used in redox titrations?
  1. A
    Phenolphthalein
  2. B
    Starch
  3. C
    Potassium permanganate
  4. D
    Methyl orange
Question 20Single Answer
Which reagent is used in redox titration of iron(II)?
  1. A
    Sodium hydroxide
  2. B
    Potassium permanganate
  3. C
    Silver nitrate
  4. D
    EDTA
Question 21Single Answer
What is the role of redox reactions in food spoilage?
  1. A
    Enhance flavor
  2. B
    Cause oxidation of lipids
  3. C
    Increase shelf life
  4. D
    Improve texture
Question 22Single Answer
Which redox process is involved in food preservation?
  1. A
    Reduction of sugars
  2. B
    Oxidation of pathogens
  3. C
    Use of antioxidants
  4. D
    Neutralization of acids
Question 23Single Answer
Which analytical technique uses redox reactions?
  1. A
    Spectrophotometry
  2. B
    Redox titration
  3. C
    Chromatography
  4. D
    Gravimetry
Question 24Single Answer
What is the oxidation number of chlorine in Chlorine Gas?
  1. A
    +1
  2. B
    -1
  3. C
    0
  4. D
    +2
Question 25Single Answer
Which electrode is used as a reference in electrochemical cells?
  1. A
    Copper electrode
  2. B
    Standard hydrogen electrode
  3. C
    Zinc electrode
  4. D
    Silver electrode
Question 26Single Answer
What drives the reaction in a galvanic cell?
  1. A
    External power
  2. B
    Spontaneous redox reaction
  3. C
    Heat
  4. D
    Pressure
Question 27Single Answer
What drives the reaction in an electrolytic cell?
  1. A
    Spontaneous redox reaction
  2. B
    External power
  3. C
    Heat
  4. D
    Pressure
Question 28Single Answer
Which substance is used as an electrolyte in a galvanic cell?
  1. A
    Sugar solution
  2. B
    Salt solution
  3. C
    Oil
  4. D
    Alcohol
Question 29Single Answer
What is the purpose of balancing redox equations?
  1. A
    Ensure mass and charge conservation
  2. B
    Increase reaction speed
  3. C
    Enhance product yield
  4. D
    Reduce reaction time
Question 30Single Answer
What is the role of antioxidants in food?
  1. A
    Promote oxidation
  2. B
    Prevent oxidation
  3. C
    Increase microbial growth
  4. D
    Enhance flavor
Question 31Single Answer
Which redox reaction causes rancidity in fats?
  1. A
    Reduction
  2. B
    Oxidation
  3. C
    Neutralization
  4. D
    Precipitation
Question 32Single Answer
What is the cell potential of a non-spontaneous reaction?
  1. A
    Positive
  2. B
    Negative
  3. C
    Zero
  4. D
    Infinite
Question 33Single Answer
Which metal is used in the anode of a Daniell cell?
  1. A
    Copper
  2. B
    Zinc
  3. C
    Silver
  4. D
    Iron
Question 34Single Answer
Which metal is used in the cathode of a Daniell cell?
  1. A
    Zinc
  2. B
    Copper
  3. C
    Silver
  4. D
    Iron
Question 35Single Answer
Which reagent is used in iodometric redox titrations?
  1. A
    Sodium thiosulfate
  2. B
    Potassium permanganate
  3. C
    Silver nitrate
  4. D
    EDTA
Question 36Single Answer
What is the role of a redox reaction in browning of fruits?
  1. A
    Reduction of sugars
  2. B
    Oxidation of phenols
  3. C
    Neutralization of acids
  4. D
    Precipitation of proteins
Question 37Single Answer
Which factor affects the standard electrode potential?
  1. A
    Temperature
  2. B
    Color
  3. C
    Volume
  4. D
    Shape
Question 38Single Answer
What is the purpose of redox titrations in food analysis?
  1. A
    Enhance flavor
  2. B
    Determine nutrient content
  3. C
    Increase shelf life
  4. D
    Improve texture
Question 39Single Answer
What is the role of a galvanic cell in food applications?
  1. A
    Preserve food
  2. B
    Power sensors
  3. C
    Enhance flavor
  4. D
    Increase nutrients
Question 40Single Answer
Which redox reaction is used in vitamin C analysis?
  1. A
    Iodometric titration
  2. B
    Acid-base titration
  3. C
    Complexometric titration
  4. D
    Precipitation titration
Question 41Single Answer
Which component of an electrochemical cell conducts electrons?
  1. A
    Salt bridge
  2. B
    Electrode
  3. C
    Electrolyte
  4. D
    Wire
Question 42Single Answer
What is the role of redox reactions in fermentation?
  1. A
    Oxidize sugars
  2. B
    Reduce organic compounds
  3. C
    Neutralize acids
  4. D
    Precipitate proteins
Question 43Single Answer
Which redox reaction occurs in food irradiation?
  1. A
    Oxidation of pathogens
  2. B
    Reduction of nutrients
  3. C
    Neutralization of toxins
  4. D
    Precipitation of salts
Question 44Single Answer
What is the purpose of standard electrode potentials?
  1. A
    Predict reaction spontaneity
  2. B
    Enhance flavor
  3. C
    Increase reaction speed
  4. D
    Reduce reaction time
Question 45Single Answer
Which substance is used as an indicator in iodometric titrations?
  1. A
    Phenolphthalein
  2. B
    Starch
  3. C
    Methyl orange
  4. D
    Litmus
Question 46Single Answer
What is the oxidation state of carbon in Carbon dioxide?
  1. A
    +2
  2. B
    +4
  3. C
    0
  4. D
    -2
Question 47Single Answer
Which redox reaction is involved in lipid peroxidation?
  1. A
    Reduction
  2. B
    Oxidation
  3. C
    Neutralization
  4. D
    Precipitation
Question 48Single Answer
What is the role of a redox reaction in enzymatic browning?
  1. A
    Reduce sugars
  2. B
    Oxidize phenolic compounds
  3. C
    Neutralize acids
  4. D
    Precipitate proteins
Question 49Single Answer
Which cell is used in electroplating food equipment?
  1. A
    Galvanic cell
  2. B
    Electrolytic cell
  3. C
    Fuel cell
  4. D
    Solar cell
Question 50Single Answer
Which redox reaction is used to detect reducing sugars?
  1. A
    Fehling’s test
  2. B
    Acid-base titration
  3. C
    Complexometric titration
  4. D
    Precipitation titration
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