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    Question

    The microbes, which can grow at high concentration of

    sugar, called
    A Saccharophilic Correct Answer Incorrect Answer
    B Osmophilic Correct Answer Incorrect Answer
    C Both Saccharophilic & Osmophilic Correct Answer Incorrect Answer
    D None of these Correct Answer Incorrect Answer

    Solution

    Saccharophiles are osmotolerant or osmophilic organisms that grow well in high concentrations of sugar. Extreme halophiles have a salt optimum between 2.5m and 5.2m of NaCl (12% to 15%) and grow poorly or not at all at lower concentrations. These concentrations of NaCl create solutions with aw values of between 0.92 and 0.895. Extreme halophiles are also known as obligate halophiles and include such organisms as Halobacterium halobium and Halobacterium slinarum which can grow in environments with as much as 30% NaCl (5m).

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