Q. Iodine kills the microorganisms by causing denaturation of proteins.

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Q. Which of the following is the mode of action of formaldehyde?

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Q. For sterilization of plastic syringes in hospitals which of the following agents are used?

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Q. Which of the following agents cause death to the cell by coagulation of cytoplasmic proteins?

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Q. Gram-negative organisms are more susceptible to higher concentrations of triphenylmethane dyes.

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Q. Which of the following is an acridine dye?

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Q. Gonococci are inhibited by tryptoflavine in dilutions of ____________________

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Q. Ceepryn belongs to which of the following categories?

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Q. Which of the following agents are used as a preservative in ophthalmic solutions?

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Q. The phospholipids present in cytoplasm membrane of the archaeo-bacteria is

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Q. The oldest eukaryotic organisms are considered to be

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Q. The phospholipids present in cytoplasm membrane of eubacteria is mainly

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Q. Which were the investigators lived at the same time?

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Q. The unifying feature of the archaea that distinguishes them from the bacteria is

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Q. Mycoplasmas are different from the other prokaryotes by

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Q. Evolutionary relationships between groups of organisms are determined using which of the following type of information?

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Q. Which of the following is not true for eukaryotic cells?

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Q. Which of the following is not true for prokaryotic organism?

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Q. Gram staining was introduced by

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Q. Which of the following is considered the most unifying concept in biology?

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