KCET · BIOLOGY · STD 12 - 8. Microbes in Human Welfare

Which among the following products of microbes is not obtained from fungi?

A Penicillin
B Statins
C Swiss cheese
D Cyclosporin- A

Verified Solution

Answer & Solution

Correct Answer

(C) Swiss cheese

Step-by-step Solution

Detailed explanation

(C) Swiss cheese,
The Swiss cheese is produced by fermentation of lactic acid by the bacterium Propionibacterium shermanii that produces propionic acid, acetic acid and carbon dioxide. The acids provide flavour to the cheese and the carbon dioxide, which becomes trapped in the curd, produce the characteristics holes in the cheese.

Apply the relevant identity from the chapter and substitute the values established in the previous step, keeping the original constraint in view.

Use the simplified expression to isolate the unknown, then plug the result back into the question setup to confirm the working is internally consistent.

Cross-check against a boundary or limiting case. Both the dimensional balance and the qualitative behaviour at the extreme should agree with the candidate answer.

Combine the steps above to identify the correct option. The remaining choices each fail at least one of the consistency, dimensional, or boundary checks.

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Column I	Column II
A. Organ level	p. Pheretima
B Cellular aggregate level	q. Fasciola
C Tissue level	r. Spongilla
D. Organ system level	s. Obelia