Continuous Sterilization MCQ

Test your knowledge with important Continuous Sterilization MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Continuous Sterilization MCQs at Bissoy

• Differential media allows the growth of a certain type of organism and will inhibit the growth of certain microorganisms.
  ক

  True

  খ

  False
• The steam is injected into the system via a nozzle.
  ক

  True

  খ

  False
• Which of the following is an advantage of continuous sterilization over batch sterilization?
  ক

  Solid matter can be used in media

  খ

  Reduction of fermenter corrosion

  গ

  Lower risk of contamination

  ঘ

  Easier control
• Which of the following is the most preferable frequency for ultrasonic sterilization?
  ক

  500 kHz

  খ

  300 kHz

  গ

  600 kHz

  ঘ

  400 kHz
• Which of the following organism can grow with or without oxygen?
  ক

  Obligate aerobes

  খ

  Facultative anaerobes

  গ

  Obligate anaerobes

  ঘ

  Aerotolerant anaerobes
• Which of the following wavelengths of radiation has the highest bacterial efficiency?
  ক

  270 nm

  খ

  280 nm

  গ

  265 nm

  ঘ

  290 nm
• Which of the following is not an antimicrobial chemical agent?
  ক

  Cresol

  খ

  Formaldehyde

  গ

  Acetone

  ঘ

  Iodine
• Which of the following is not a method of sterilization?
  ক

  Radiation

  খ

  Chemical Treatment

  গ

  Ultrasonic treatment

  ঘ

  Cooling
• The fermenter vessel is sterilized at ____________
  ক

  20 psi

  খ

  15 psi

  গ

  5 psi

  ঘ

  10 psi
• Which of the following is the main disadvantage of a direct plate exchanger?
  ক

  Foaming occurs

  খ

  High capital cost

  গ

  If the media contains suspended solids, the plate may get blocked

  ঘ

  High maintenance
• The sterilization in double spiral heat exchanger is done through ___________
  ক

  Countercurrent mechanism

  খ

  Counter mechanism

  গ

  Symporter mechanism

  ঘ

  Antiporter mechanism
• What is the function of the holding loop?
  ক

  It heats the medium

  খ

  It sterilizes the medium

  গ

  It holds the medium

  ঘ

  It cools the medium
• Which of the following is a type of continuous sterilizer?
  ক

  Steam Injector

  খ

  Inertial Impaction

  গ

  Electrostatic attraction

  ঘ

  Interception
• The holding time at 135°C will be _________
  ক

  2.44 minutes

  খ

  51.9 seconds

  গ

  18.9 seconds

  ঘ

  2.7 seconds
• Which of the following time is not included in continuous sterilization?
  ক

  Heating time

  খ

  Cooling time

  গ

  Holding time

  ঘ

  Sterilization time