Q. Propionate and acetate are produced as an end product of fermentation in which of the following bacteria?

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Q. Desulphuromonas can respire with elemental sulphur as the electron acceptor.

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Q. Veillonellaceae, is the family of bacteria consisting of motile cocci.

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Q. The violet pigement, violacein, is produced by which of the following bacterial genus?

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Q. Which of the following infect arthropods only?

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Q. The Rickettsias and Chlamydias are similar in all respects.

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Q. Classical typhus fever is transmitted by which of the following arthropod?

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Q. "Growing epicellularly" means _______________________

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Q. Which of the following genus of Rickettsiaceae have a high resistance to heat?

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Q. C.burnetti causes which of the following diseases?

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Q. Biting flies occur in which of the following place?

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Q. Initial body in reproduction of Chlamydias is larger than the elementary body.

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Q. Which is the most prevalent sexually transmitted disease in US?

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Q. The smallest cells of mycoplasmas are about ___________ in diameter.

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Q. Penicillin causes inhibition of Mycoplasmas.

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Q. Mycoplasmas can be cultivated in vitro on nonliving media as _____________

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Q. The colonies of Mycoplasmas in agar plate can be observed by means of a __________________.

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Q. What type of colonies are formed by Mycoplasmas on agar plate?

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Q. The mycoplasmas require which of the following substance for growth?

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Q. Which of the following family of bacteria are pathogenic for citrus and other plants?

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