Bacteria and Gram Staining - Mock Test 10

Question 91

The best example for symbiotic association is?

A) E.coli in intestine of man B) Lichens C) Normal floraof skin D) All of the above

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Question 92

Symbionts are?

A) Bacteria in symbiotic association B) The group of fungi in symbiotic association C) The groups participating in symbiotic association D) All of these

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Question 93

Majority of bacteria are?

A) Saprophytes B) Symbionts C) Commensals D) Parasites

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Question 94

The group of bacteria which deopends on organic sources in nature for their energy requirements. They are said to be?

A) Chemotrophs B) Phototrophs C) Heterotrophes D) Organotrophs

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Question 95

Bacillus Schlegelli is?

A) Hydrogen – Oxydising bacteria B) Sulphur – Oxydising bacteria C) Iron-Oxidising bacteria D) Nitrite oxidizing bacteria

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Question 96

Sulphur oxidizing bacteria is?

A) Alcaligenes B) Pseudomonas C) Thiobacillus D) None of these

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Question 97

Nitrite is converted into nitrate by the bacteria?

A) Nitrosomonas B) Nitrosocytes C) Nitrobacter D) Azatobacte

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Question 98

Archaeo bacteria are known as?

A) Halophiles B) Red extreme halophiles C) Osmophiles D) Extreme thermophiles

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Question 99

The inorganic forms of nitrogen, which are accepted by bacteria are?

A) Nitrates B) Nitrites C) Ammonium salts D) All of these

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Question 100

By using fluorescence property fluorescent antibody technique was developed by?

A) Kohler B) Coons C) Both and b D) None of these

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