Pharmacy Practice MCQ » PHARMACAREERS

Pharmacy Practice MCQ, in this article we will solve, Practice MCQ under subject microbiology. Read following article for your reference.

Cultivation Of Anaerobes » PHARMACAREERS

What is the primary requirement for cultivating anaerobes?
- A) High oxygen environment
- B) Oxygen-free environment
- C) High temperature
- D) Low pH
Which of the following gases is typically used in anaerobic chambers?
- A) Oxygen
- B) Nitrogen
- C) Helium
- D) Argon
What is the role of palladium catalysts in anaerobic chambers?
- A) To produce oxygen
- B) To remove residual oxygen
- C) To increase temperature
- D) To decrease humidity
Which method involves using chemical sachets to remove oxygen?
- A) Anaerobic chambers
- B) GasPak systems
- C) Roll tube method
- D) Anaerobic glove box
What is the main chemical reaction in GasPak systems?
- A) Sodium borohydride and citric acid producing hydrogen and carbon dioxide
- B) Oxygen and nitrogen producing water
- C) Hydrogen and oxygen producing methane
- D) Carbon dioxide and water producing oxygen
Which indicator is used to confirm the absence of oxygen in GasPak systems?
- A) Phenolphthalein
- B) Methylene blue
- C) Bromothymol blue
- D) Litmus paper
What is the purpose of reducing agents in anaerobic cultivation?
- A) To increase oxygen levels
- B) To reduce oxygen levels
- C) To increase pH
- D) To decrease temperature
Which method uses a sealed container filled with an oxygen-free gas mixture?
- A) Roll tube method
- B) Anaerobic jars
- C) Anaerobic chambers
- D) GasPak systems
What is the typical gas mixture used in anaerobic chambers?
- A) Oxygen, nitrogen, and carbon dioxide
- B) Nitrogen, hydrogen, and carbon dioxide
- C) Helium, argon, and oxygen
- D) Methane, hydrogen, and nitrogen
Which method involves rolling tubes under cold water to produce a thin layer of solid agarose medium?
- A) GasPak systems
- B) Anaerobic glove box
- C) Roll tube method
- D) Anaerobic jars
What is the main challenge in cultivating anaerobes?
- A) Maintaining high temperatures
- B) Creating and maintaining an oxygen-free environment
- C) Providing sufficient light
- D) Ensuring high humidity
Which method is considered more cost-effective than anaerobic chambers?
- A) Roll tube method
- B) Anaerobic glove box
- C) GasPak systems
- D) Anaerobic jars
What is the function of built-in gloves in anaerobic chambers?
- A) To handle cultures and equipment without exposing them to oxygen
- B) To increase temperature
- C) To reduce humidity
- D) To provide light
Which method uses a self-contained combustion jar system?
- A) Roll tube method
- B) Anaerobic glove box
- C) GasPak systems
- D) Anaerobic jars
What is the role of methylene blue or resazurin strips in GasPak systems?
- A) To produce oxygen
- B) To confirm the absence of oxygen
- C) To increase temperature
- D) To decrease humidity
Which method is used for larger-scale culture of anaerobes?
- A) Roll tube method
- B) Anaerobic glove box
- C) GasPak systems
- D) Anaerobic jars
What is the main advantage of using anaerobic glove boxes?
- A) Simplifying equipment and procedures for oxygen-free culture
- B) Increasing temperature
- C) Reducing humidity
- D) Providing light
Which method involves using an anoxic gas mixture to displace oxygen?
- A) Roll tube method
- B) Anaerobic jars
- C) Anaerobic chambers
- D) GasPak systems
What is the primary application of cultivating anaerobes in medical research?
- A) Studying their role in the human microbiome and infections
- B) Increasing temperature
- C) Reducing humidity
- D) Providing light
Which method is used to create an oxygen-free environment for manipulating cultures?
- A) Roll tube method
- B) Anaerobic jars
- C) Anaerobic chambers
- D) GasPak systems
What is the main purpose of using reducing agents in media preparation for anaerobes?
- A) To increase oxygen levels
- B) To reduce oxygen levels
- C) To increase pH
- D) To decrease temperature
Which method is used to cultivate anaerobes in the gastrointestinal tracts of animals?
- A) Roll tube method
- B) Anaerobic glove box
- C) GasPak systems
- D) Anaerobic jars
What is the role of palladium catalysts in GasPak systems?
- A) To produce oxygen
- B) To remove residual oxygen
- C) To increase temperature
- D) To decrease humidity
Which method involves using a sealed container with an anoxic gas mixture?
- A) Roll tube method
- B) Anaerobic jars
- C) Anaerobic chambers
- D) GasPak systems
What is the main challenge in cultivating anaerobes in the laboratory?
- A) Maintaining high temperatures
- B) Creating and maintaining an oxygen-free environment
- C) Providing sufficient light
- D) Ensuring high humidity
Which method is considered more cost-effective for cultivating anaerobes?
- A) Roll tube method
- B) Anaerobic glove box
- C) GasPak systems
- D) Anaerobic jars
What is the function of built-in gloves in anaerobic chambers?
- A) To handle cultures and equipment without exposing them to oxygen
- B) To increase temperature
- C) To reduce humidity
- D) To provide light
Which method uses a self-contained combustion jar system for anaerobic cultivation?
- A) Roll tube method
- B) Anaerobic glove box
- C) GasPak systems
- D) Anaerobic jars
What is the role of methylene blue or resazurin strips in confirming the absence of oxygen?
- A) To produce oxygen
- B) To confirm the absence of oxygen
- C) To increase temperature
- D) To decrease humidity
Which method is used for larger-scale culture of anaerobes?
- A) Roll tube method
- B) Anaerobic glove box
- C) GasPak systems
- D) Anaerobic jars

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