Q. Rhizobium belongs to which of following proteobacteria subgroup?

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Q. Borrelia burgdorferi causes which of following diseases?

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Q. Which of following is an example of nitrogen-fixing bacteria?

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Q. Which of following are harmful proteins secreted by bacteria?

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Q. Chemotaxis is movement of a cell-based on which stimulus?

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Q. From which of following Chemotroph organisms obtain energy?

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Q. Which of following scientists invented Gram stain technique?

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Q. Cocci present in chains are called

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Q. Prokaryotic cells typically have a diameter of about how many micrometers?

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Q. Methanogens release which of following compounds as a by-product of their metabolism?

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Q. Hfr cell has F factor in its

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Q. How many prokaryotic species have been assigned names so far by scientists?

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Q. Appendages that pull two cells together is called

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Q. Rhizobium resides in roots of which of following plants?

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Q. Which of following is used for respiration in facultative anaerobes if oxygen is absent?

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Q. An ecological relationship in which one participant benefits and other is not affected is called

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Q. Chromosome of a prokaryote is located in

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Q. Which of following elements is important in production of amino acids?

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Q. Which of following is needed by obligate aerobes to respire?

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Q. Eukaryotic cells typically have a diameter of about how many micrometers?

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