Q. Red extreme halophiles”, are members of the archaebacterial which cannot grow with less than 12 to 15 percent NaCl.

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Q. Which of the following are functions of water in the culture medium?

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Q. Chromatium okenii uses which of the following compound as electron donor?

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Q. Which of the following bacteria can grow both as chemolithotrophs or as chemoorganotrophs?

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Q. Which of the following is a characteristic of beef extract?

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Q. Which of the following is used as a solidifying agent for media?

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Q. Which of the following is a rich source of B vitamins?

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Q. The isolation of gonorrhea-causing organism, Neisseria gonorrhoeae by the use of certain antibiotics in media is an example of which of the following?

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Q. Nutrient broth, a liquid media contains beef extract and peptone respectively in how much amounts?

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Q. Which of the following instrument is used for sterilizing the media after it has been prepared?

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Q. Colony formation can be observed in liquid media broth.

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Q. Which of the following is a Complex media for fungal growth?

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Q. Which of the following are functions of Maintenance Media?

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Q. Which of the following bacteria requires nicotinic acid as a growth factor in their media?

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Q. The temperature that allows for most rapid growth during a short period of time is known as __________

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Q. Mesophiles are group of bacteria that grow within the temperature range of?

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Q. Which of the following factors are responsible for the stability of thermophiles at high temperatures?

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Q. The bacterium Staphylococcus aureus is which type of bacteria?

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Q. Microaerophilic bacteria require low levels of oxygen for growth.

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Q. The Reactive Oxygen Species(ROS) poduced by some bacteria are degraded by which of the following enzymes?

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