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Practice Question

What would happen to peach juice if we apply heat at >135 oc to it such as in the use of an autoclave?

Answer Choices:

Correct Answer:

It would become sterile

Rationale:
💥 It would become sterile — This is correct because heating peach juice above 135 °C (such as in an autoclave) kills all microorganisms, including spores, thereby achieving sterilization— 💥 It would just be filtered — This is incorrect because heat does not filter; filtration is a separate physical method of removing microbes without heat— 💥 It becomes agitated — This is incorrect because agitation refers to physical mixing or shaking, not the effect of high-temperature sterilization—
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This question is from Lab Practical 1 QUIZ WEEK 1-3 -2025 which contains 38 questions.

More Questions from This Exam
How is an inoculating loop or needle sterilized prior to use?

Answer Choices:

A. exposure to UV radiation for 15 seconds
B. holding in the hottest part of the Bunsen burner flame until red-hot
C. soaking in 95% ethyl alcohol for several minutes and allowing to air dry
D. dipping into a beaker of boiling water
What is the correct way to open an agar plate to either remove a sample or to inoculate?

Answer Choices:

A. Remove the lid completely and set it on the bench in an upright position.
B. Remove the lid completely, holding it in your hand. not setting it on the bench.
C. Open lid slightly on one side. in a clam-shell fashion.
D. Remove the lid completely and set it on the bench upside down.
From Exam
Lab Practical 1 QUIZ WEEK 1-3 -2025

38 Questions

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Question Details
  • Category: PRE-REQUISITES NURSING COURSES
  • Subcategory: MICROBIOLOGY
  • Domain: MICROBIOLOGY_EXAMS
  • Answer Choices: 3
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