Q. First organisms to inhabit earth were

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Q. Which of following archaea live in extremely hot and sulphuric conditions like volcanoes?

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Q. Which of following bacteria can photosynthesize?

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Q. Gram-negative bacteria are classified in to which of following clades?

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Q. Ecological relationship in which two organisms exist in close contact with each other are called

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Q. Which of following is a diarrheal disease?

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Q. Which of following can survive without oxygen?

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Q. From which of following phototroph organisms obtain energy?

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Q. Which of following bacteria play a part in nitrogen recycling?

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Q. How long is diameter of Thiomargarita namibiensis?

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Q. Which of following diseases is caused by Bacillus anthracis?

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Q. Cyanobacteria is an example of which of following?

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Q. Halophiles can survive in which of following extreme conditions?

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Q. What adaptations do most thermophile archaea have to protect their DNA from extreme heat?

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Q. Which of following disease in humans is caused by bacteria Campylobacter?

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Q. Which of following bacteria are responsible for causing cholera?

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Q. Which of following does not have a circular chromosome present in them?

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Q. Clostridium botulinum causes which of following disease?

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Q. Cocci present in clusters are called

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Q. Sticky wall present outside many prokaryotes is called

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