Question:

Which water borne microbe is responsible for early blowing of improperly sealed evaporated milk cans?

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Coliforms: water-borne, gas producers.
Cause early blowing of cans.
Indicates poor sanitation.
  • Coliforms
  • Lactococcus
  • Lactobacillus
  • Bacillus
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The Correct Option is A

Solution and Explanation


Step 1: Understanding the Concept:
Early blowing of cans is caused by gas-producing microorganisms.
Water-borne microbes can contaminate cans.
Step 2: Key Formula or Approach:
No specific formula.
Need to know the causes of can blowing.
Step 3: Detailed Explanation:
Coliforms are water-borne microbes.
They produce gas (CO\(_2\) and H\(_2\)).
This causes early blowing of improperly sealed cans.
Lactococcus and Lactobacillus are not gas producers.
Bacillus may produce gas but is not water-borne.
Thus, coliforms are responsible.
Step 4: Final Answer:
Coliforms are responsible for early blowing.
Hence, the correct option is (A). \bigskip
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