The process of converting sugar into alcohol by microorganisms is called ____________.

This question was previously asked in
Agniveer Navy MR: 23 May 2025 Shift 3 Memory-Based Paper
View all Navy MR Agniveer Papers >
  1. Fermentation
  2. Respiration
  3. Decomposition
  4. Photosynthesis

Answer (Detailed Solution Below)

Option 1 : Fermentation
Free
Agniveer Army GD 22 April 2024 (Shift 1) Memory-Based Paper
56 K Users
50 Questions 100 Marks 60 Mins

Detailed Solution

Download Solution PDF

The correct answer is Fermentation.

Key Points

  • Fermentation is a metabolic process that converts sugar to acids, gases, or alcohol.
  • It occurs in yeast and bacteria, and also in oxygen-starved muscle cells, as in the case of lactic acid fermentation.
  • Fermentation is used in the production of alcoholic beverages such as wine, beer, and cider.
  • The process is anaerobic, meaning it does not require oxygen.
  • Louis Pasteur was the first to scientifically study fermentation and its microbial underpinnings.

Additional Information

  • Alcoholic Fermentation:
    • Yeasts convert sugars into ethanol and carbon dioxide.
    • Commonly used in the production of beer, wine, and spirits.
    • Occurs in an anaerobic environment (absence of oxygen).
  • Lactic Acid Fermentation:
    • Occurs in certain bacteria and in muscle cells when oxygen is scarce.
    • Converts glucose into lactic acid.
    • Used in the production of yogurt and sauerkraut.
  • Pasteurization:
    • Developed by Louis Pasteur.
    • Process of heating beverages to kill harmful bacteria.
    • Used widely in dairy products.
  • Role in Food Production:
    • Fermentation is essential in baking, brewing, and dairy industries.
    • Improves food preservation and enhances flavors.
    • Produces beneficial probiotics in fermented foods.
Latest Navy MR Agniveer Updates

Last updated on Jun 23, 2025

->Indian Navy MR 02/2025 Merit List has been released on 19th June 2025.

-> Indian Navy MR Agniveer Notification 02/2025 Call Letter along with the city details was released on 13th May 2025.

-> Earlier, the Indian Navy MR Exam Date 2025 was released of Notification 02/2025.

-> Candidates had applied online from 29th March to 10th April 2025.

-> The selection process of Agniveer is based on three rounds- CBT, written examination & PFT and the last medical examination round.

-> Candidates must go through the Indian Navy MR Agniveer Salary and Job Profile to understand it better. 

-> Prepare for the upcoming exams with Indian Navy MR Previous Year Papers and Agniveer Navy MR Mock Test

Get Free Access Now
Hot Links: teen patti club teen patti apk teen patti download