Q1. The Aromatic Volatile Components Of Spices Are Called _____?

A) Spice Oil
B) Spice Fat
C) Spice Gel
D) Spice Paste

Answer – A) Spice Oil

• The Aromatic Volatile Components Of Spices Are Called Spice Oil. Spice Oleoresins Are The Concentrated Liquid From The Spices That Reproduce The Character Of The Respective Spice Fully. The Spice Oils Are The Oils Distilled Off From The Spices At The Initial Stage Before Subject To Solvent Extraction.

READ MORE – FOOD TECHNOLOGY (21/03/2021)

Q2. Certain Antioxidants (E.G. – Nisin) Can Be Used With The Organic Acids To Reduce Certain Micro Flora.

A) True
B) False

Answer – A) True

• Nisin Is A Polycyclic Antibacterial Peptide Produced By The Bacterium Lactococcus Lactis That Is Used As A Food Preservative. It Is Also Used As an Anti-Oxidant. Few Antioxidants Like These Are Used As Preservatives Too.

READ MORE – Food Science & Technology Quiz (21-12-2021)

Q3. Which Of The Following Methods Refers To Deactivation Of Microbes In Food Using Electricity?

A) Power Ultrasound
B) Pulsed Electric Field
C) Hurdle Technology
D) All Of The Mentioned

Answer – B) Pulsed Electric Field

• Pulsed Electric Field (PEF) Refers To The Deactivation Of Microbes In Food Using Electricity. Pulsed Electric Fields PEF Is A Non-Thermal Method Of Food Preservation That Uses Short Pulses Of Electricity For Microbial Inactivation And Causes Minimal Detrimental Effect On Food Quality Attributes.

 READ MORE – FOOD TECHNOLOGY (12/03/2021)

Q4. In Pulsed Electric Field, Since No Heat Is Used, The Aroma And Flavour Of Food Are Retained.

A) True
B) False

Answer – A) True

• In Pulsed Electric Field, Since No Heat Is Used, The Aroma And Flavour Of Food Are Retained. The Basic Principle Of The PEF Technology Is The Application Of Short Pulses Of High Electric Fields With Duration Of Microseconds Micro- To Milliseconds And Intensity In The Order Of 10-80 KV/Cm.

READ MORE – Food Science & Technology Quiz (01-01-2022)

Q5. The Energy Loss Due To The Friction At The Walls Of A Pipe Is Called _____?

A) Kinetic Friction
B) Skin Friction
C) Static Friction
D) None Of The Mentioned

Answer – B) Skin Friction

• The Energy Loss Due To The Friction At The Walls Of A Pipe Is Called Skin Friction. Friction Between A Fluid And The Surface Of A Solid Moving Through It Or Between A Moving Fluid And Its Enclosing Surface Is Called Skin Friction.

READ MORE – FOOD TECHNOLOGY (18/03/2021)

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