NEET Biology MCQ on Anaerobic organism with Answers by Expert Teacher. Every Objective Questions is Important and Common for NEET-UG Exam.
1) The organism which do not require oxygen are called as———.
A) Anaerobic organism B) Aerobic organism C) Facultative anaerobic D) None of these
Answer: Answer is A, an anaerobic organism does not require oxygen.
2) Which of the following are an anaerobic organism?
A) E. coli B) Clostridium C) Micrococcus D) Campylobacter
Answer: Answer is B, Clostridium does not require oxygen.
3) The organisms which grow well in presence or absence of oxygen are called——.
A) Anaerobic organism B) Aerobic organism C) Facultative anaerobic D) Aerotolerant anaerobe
Answer: Answer is D, Aerotolerant anaerobe are the organism which grow in presence or absence of oxygen.
4) The organism which do not require oxygen for growth but if present, then also they can grow are called as——.
A) Anaerobic organism B) Aerobic organism C) Facultative anaerobic D) None of these
Answer: Answer is C, for facultative anaerobic organisms oxygen is not toxic, therefore they can grow in presence of oxygen.
5) The enzymes present in facultative anaerobic organisms are———-.
A) SOD B) Catalase C) Peroxidase D) Both A and B.
Answer: Answer is D, SOD (Superoxide dismutase) and catalase enzymes are present in facultative anaerobic organisms.
6) Which of the following is an example of facultative anaerobic organisms?
A) E. coli B) Clostridium C) Micrococcus D) Campylobacter
Answer: Answer is A, E.coli is an example of facultative anaerobic organism.
7) Which of the following organism does not contain SOD (Superoxide dismutase) enzyme?
A) Obligate anaerobe B) Obligate aerobe C) Facultative anaerobe D) Aerotolerant anaerobe
Answer: Answer is A, Obligate anaerobedoes not contain SOD (Superoxide dismutase) enzyme due to absence of oxygen.
8) Which of the following organism used in fermentation?
A) Obligate anaerobe B) Obligate aerobe C) Facultative anaerobe D) Aerotolerant anaerobe
Answer: Answer is A, Fermentation uses strictly anaerobic organisms.
9) The organism which require only 5-10 % of oxygen are called as ——.
A) Microaerophilic B) Obligate anaerobe C) Obligate aerobe D) Facultative anaerobe
Answer: Answer is A, microaerophilic uses only 5-10 % of oxygen.
10) Which of the following is Aerotolerant anaerobe?
A) E. coli B) Clostridium C) Micrococcus D) Streptococcus pyogenes
Answer: Answer is D, Streptococcus pyogenes is an Aerotolerant anaerobe.
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