Respiration In Plants Ques 54

54. The bacterium (Clostridium botulimum) that causes botulism is

[2006]

(a) an obligate anaerobe

(b) an facultative aerobe

(c) an obligate aerobe

(d) a facultative anaerobe

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Answer:

Correct Answer: 54.( a )

Solution:

  1. (a) Clostridium botulimum is an obligate anaerobe i.e, it normally lives in the absence of oxygen. Facultative anaerobes are those who generally live in oxygen but may live without oxygen in suitable medium. Obligate aerobes can only live in the presence of oxygen while facultative aerobes generally live in oxygen but can also live without oxygen.