Peptone Yeast Extract Glucose Broth MCQs Mock Test

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Test your knowledge of Peptone Yeast Extract Glucose (PYG) Broth with this free online mock test. Designed for lab professionals and medical students, it includes 30 MCQs with answers and explanations to help prepare for exams and viva.

Peptone Yeast Extract Glucose Broth MCQs Mock Test for Lab Professionals & Medical Students

This Peptone Yeast Extract Glucose (PYG) Broth Mock Test contains 30 multiple choice questions with answers and brief explanations. It is ideal for medical laboratory technology students, microbiology students, and lab professionals preparing for exams, interviews, or viva.

Mock tests are a great way to revise key concepts quickly and identify areas that need more study. This mock test focuses on Peptone Yeast Extract Glucose (PYG) Broth, an enriched non-selective medium commonly used in microbiology laboratories.

  • Total Questions: 30 MCQs
  • Pattern: Single best answer (one correct option)
  • Level: Diploma / BSc MLT / MBBS / Microbiology students and lab professionals

You can attempt the test as a self-assessment tool and then check your answers with the answer key and explanations given after the questions.

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Peptone Yeast Extract Glucose Broth MCQs Mock Test

Peptone Yeast Extract Glucose Broth MCQs Mock Test

Read Full Article: Peptone Yeast Extract Glucose Broth FAQs and MCQs

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Category: Clinical Laboratory

What is the purpose of VPI salt solution in PYG Broth?

2 / 30

Category: Clinical Laboratory

Which organism shows enhanced growth with Tween 80?

3 / 30

Category: Clinical Laboratory

Which organism requires formate-fumarate for growth in PYG Broth?

4 / 30

Category: Clinical Laboratory

PYG Broth is NOT suitable for:

5 / 30

Category: Clinical Laboratory

What is the role of hemin and vitamin K in PYG Broth?

6 / 30

Category: Clinical Laboratory

Which ingredient in PYG Broth serves as the primary energy source?

7 / 30

Category: Clinical Laboratory

Resazurin in PYG Broth acts as a(n):

8 / 30

Category: Clinical Laboratory

Which technique is used to analyze metabolic products from PYG Broth?

9 / 30

Category: Clinical Laboratory

What is the recommended incubation temperature for PYG Broth?

10 / 30

Category: Clinical Laboratory

Which organism is expected to grow in PYG Broth with 20% bile?

11 / 30

Category: Clinical Laboratory

Which of the following is NOT a fastidious anaerobe grown in PYG Broth?

12 / 30

Category: Clinical Laboratory

What indicates that PYG Broth is no longer usable?

13 / 30

Category: Clinical Laboratory

What is the shelf life of PYG Broth when stored properly?

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Category: Clinical Laboratory

Which component in PYG Broth acts as a reducing agent to maintain anaerobic conditions?

15 / 30

Category: Clinical Laboratory

PYG Broth is prepared under which gas atmosphere?

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Category: Clinical Laboratory

A pH of ≤5.5 in PYG Broth after incubation indicates:

17 / 30

Category: Clinical Laboratory

What is the primary purpose of Peptone Yeast Extract Glucose (PYG) Broth?

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Category: Clinical Laboratory

How should PYG Broth tubes be stored?

19 / 30

Category: Clinical Laboratory

PYG Broth was originally formulated by:

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Category: Clinical Laboratory

What is a limitation of PYG Broth?

21 / 30

Category: Clinical Laboratory

How is PYG Broth sterilized?

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Category: Clinical Laboratory

Which QC organism is used to validate PYG Broth performance?

23 / 30

Category: Clinical Laboratory

What does a purplish-pink color in PYG Broth indicate?

24 / 30

Category: Clinical Laboratory

What supplement enhances the growth of Eubacterium lentum?

25 / 30

Category: Clinical Laboratory

What should be done if an isolate grows in PYG Broth but not on solid media?

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Category: Clinical Laboratory

What is the final pH of PYG Broth?

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Category: Clinical Laboratory

Which group of organisms is inhibited by 20% bile in PYG Broth?

28 / 30

Category: Clinical Laboratory

What indicates a positive growth result in PYG Broth?

29 / 30

Category: Clinical Laboratory

Which medium is recommended for subculturing PYG Broth isolates?

30 / 30

Category: Clinical Laboratory

PYG Broth is commonly used for:

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