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A few organisms are known to grow and multiply at temperatures of 100 – 105ºC. They belong
Options
(a) marine archaebacteria
(b) thermophilic sulphur bacteria
(c) hot-spring blue-green algae
(d) thermophilic, subaerial fungi
Correct Answer:
marine archaebacteria
Explanation:
Archaea (archaebacteria) are a phenotypically diverse group of microorganisms that share a common evolutionary history. There are four general phenotypic groups of archaea: the methanogens, the extreme halophiles, the sulfate-reducing archaea, and the extreme thermophiles. In the marine environment, archaeal habitats are generally limited to shallow or deep-sea anaerobic sediments (free-living and endosymbiotic methanogens), hot springs or deep-sea hydrothermal vents (methanogens, sulfate reducers, and extreme thermophiles), and highly saline land-locked seas (halophiles).
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Question Type: Memory
(964)
Difficulty Level: Easy
(1008)
Topics: Diversity In Living World
(339)
Subject: Biology
(4253)
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