KCET · BIOLOGY · STD 11 - 2. Biological Classification

Which of the following options shows the characters of mycoplasma?

A Smallest living cell without cell wall survive with oxygen.
B Smallest living cell with cell wall survive with oxygen.
C Smallest living cell without cell wall survive with survive without oxygen.
D Smallest living cell with cell wall survive without oxygen.

Verified Solution

Answer & Solution

Correct Answer

(C) Smallest living cell without cell wall survive with survive without oxygen.

Step-by-step Solution

Detailed explanation

(C) Smallest living cell without cell wall survive with survive without oxygen.,
Mycoplasma is a smallest living cell and they do not have cell wall. Also they cannot survive without oxygen.

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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