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Microbes Questions

Practice 13 Microbes questions with detailed answers and explanations. Free MCQs, PYQs, and mock test questions for NEET, JEE, GATE, SSC and more.

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13
Total Questions
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6
Easy
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7
Medium
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0
Hard
Practice by Exam:Biology(12)General Science(1)

About Microbes — practice questions, PYQs & concepts

Microbes is a frequently-tested topic on Biology, General Science. ExamTest.live currently lists 13 Microbes questions spanning previous-year papers from 2026 to 2026, each with worked solutions and a step-by-step explanation. Use the filters on this page to focus on a specific exam, difficulty level or year — every answer key is free, no sign-up required.

Microbes weight in competitive exams

Across our Microbes question bank, the largest sources are Biology (12) and General Science (1). Click any exam chip above to drill down to that exam-specific question set.

How to use this page

  • Start easy: 6 easy Microbes questions are available — build fluency before moving up.
  • Target weak years: Use the year filter to focus on the most recent 2026 paper or older PYQs you have not attempted.
  • Time yourself: Every question shows the average solve time so you can benchmark your speed against other students.
  • Read every explanation: Even on questions you got right — the explanation often surfaces a faster approach you can reuse.

All Microbes Questions(1–13 of 13)

Filter:
Q1mediummcqGeneral ScienceSSC GD2026
0% accuracy
Leguminous plants replenish the soil by the presence of ______.
Q2easymcqBiologyNEET 20192026
0% accuracy
Which of the following is a commercial blood cholesterol lowering agent?
Q3easymcqBiologyNEET 20192026
0% accuracy
Match the following organisms with the products they produce:
(a) Lactobacillus (i) Cheese
(b) Saccharomyces cerevisiae (ii) Curd
(c) Aspergillus niger (iii) Citric Acid
(d) Acetobacter aceti (iv) Bread
(v) Acetic Acid
Q4easymcqBiologyNEET 20172026
Which of the following is correctly matched for the product produced by them?
Q5easymcqBiologyNEET 20222026
Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A:
Q6mediummcqBiologyBiology
Probiotics are:
Q7mediummcqBiologyBiology
Which of the following is a symbiotic nitrogen fixer?
Q8easymcqBiologyBiology
One of the free-living anaerobic nitrogen-fixers is:
Q9mediummcqBiologyBiology
Read the following statement having two blanks :"A drug used for patients is obtained from a species of the organism ."Which is the correct option for the two blanks?
Q10mediummcqBiologyBiology
Which one of the following is a wrong matching of a microbe and its industrial product?
Q11easymcqBiologyBiology
Where do certain symbiotic microorganisms normally occur in the human body?
Q12mediummcqBiologyBiology
Which of the following is wrongly matched in the given table?
Q13mediummcqBiologyBiology
Match Column-I with Column-II:Column-I: (a) Citric acid, (b) Cyclosporin A, (c) Statins, (d) Butyric acidColumn-II: (i) Trichoderma, (ii) Clostridium, (iii) Aspergillus, (iv) Monascus

Frequently Asked Questions

How many Microbes questions are on ExamTest.live?▼
We have 13 Microbes questions spread across 1 pages, covering easy, medium, and hard difficulty levels with detailed explanations.
Are Microbes MCQs free?▼
Yes. All Microbes questions, answers, and explanations on ExamTest.live are completely free. No account or subscription required.
Which exams include Microbes questions?▼
Microbes questions are commonly asked in Biology, General Science. You can filter by exam using the links above.
How do I practice Microbes questions effectively?▼
Start with easy questions to build confidence, then tackle medium and hard ones. Use the filter buttons to sort by difficulty. Reveal the answer only after attempting each question, and read the explanation thoroughly.