Question

Match List-I with List-II regarding food processing operations and their applications:

• A.

  List-I	List-II
  (A) Canning	(I) Pulse milling
  (B) Cryogenic grinding	(II) Wheat
  (C) Roller mill	(III) Spices
  (D) CFTRI method.	(IV) Sterilization.

• B.

  List-I	List-II
  (A) Canning	(I) Sterilization
  (B) Cryogenic grinding	(II) Spices
  (C) Roller mill	(III) Wheat
  (D) CFTRI method.	(IV) Pulse milling.

• C.

  List-I	List-II
  (A) Canning	(I) Pulse milling
  (B) Cryogenic grinding	(II) Wheat
  (C) Roller mill	(III) Sterilization
  (D) CFTRI method.	(IV) Spices.

• D.

  List-I	List-II
  (A) Canning	(I) Spices
  (B) Cryogenic grinding	(II) Sterilization
  (C) Roller mill	(III) Pulse milling
  (D) CFTRI method.	(IV) Wheat.

Hint:

Associate cryogenic grinding immediately with volatile oil retention in spices.
Similarly, roller mills are the standard equipment for commercial wheat flour production.

Answer 1

The Correct Option is A

Step 1: Understanding the Concept:
Food processing involve various unit operations designed to mill, preserve, or alter raw agricultural materials into stable consumer products.
Matching these technologies requires identifying the fundamental engineering principle behind each processing method.

Step 2: Detailed Explanation:
Let us analyze the matches step-by-step:
- Canning is a preservation technique that involves sealing food in airtight containers and subjecting them to high temperature.
This heat treatment achieves commercial sterilization by destroying pathogenic microorganisms and spoilage enzymes.
Thus, Canning matches with (IV) Sterilization.
- Cryogenic grinding uses liquid nitrogen or carbon dioxide at extremely low temperatures to cool down materials before and during the grinding process.
This prevents the loss of volatile essential oils and thermal degradation during milling, which is highly critical for preserving the quality and aroma of spices.
Thus, Cryogenic grinding matches with (III) Spices.
- Roller mills consist of pairs of heavy steel rollers rotating in opposite directions at different speeds.
They are primarily used in the flour milling industry to progressively break down and separate the endosperm, bran, and germ of wheat grains.
Thus, Roller mill matches with (II) Wheat.
- The CFTRI (Central Food Technological Research Institute) method is a specialized pre-treatment and milling process developed to improve the dehusking and splitting efficiency of pulses.
Thus, CFTRI method matches with (I) Pulse milling.

Step 3: Final Answer:
The correct matching sequence is: (A) - (IV), (B) - (III), (C) - (II), (D) - (I).