Practice & Test Microbes in Human Welfare

Class 12 Biology · Chapter 8. Practice 50 free NEET 2027 questions on Microbes in Human Welfare (Class 12 Biology), across 10 concepts. Asked ~2.5× per paper since 2013.

nextAIR's analysis of 4,858 tagged NEET questions (2013–2026) finds Microbes in Human Welfare draws about 1.38 questions per paper in the recent sittings (2023–2026), against 1.41 per paper historically — trend stable.

50
Practice questions
10
Concepts tagged
32
Asked 2013–2025
2.5×
Per paper

Part of the Biology And Human Welfare unit in NEET Biology.

How much does Microbes in Human Welfare matter?

Across the 13 NEET papers from 2013 to 2025, Microbes in Human Welfare has been examined 32 times — an average of 2.5 questions per paper. At 4 marks each, that is roughly 10 marks a year riding on this one chapter. Where it sits against every other chapter, weighted to the eight most recent papers with 2026 included, is in the NEET 2027 chapter-wise weightage.

Most repeated in Microbes in Human Welfare

Topics by share of the 8 most recent NEET sittings in which they appeared, from nextAIR's 4,858-question PYQ pack (2013–2026).

  1. Microbes in Industrial Productsasked 19× · 1 per paper recently · trend up75%repeat
  2. Microbes as Biocontrol Agentsasked 5× · 0.12 per paper recently · trend down12.5%repeat
  3. Microbes as Biofertilisersasked 3× · 0.12 per paper recently · trend stable12.5%repeat
  4. Microbes in Household Productsasked 2× · 0.12 per paper recently · trend up12.5%repeat
  5. Microbes in Production of Biogasasked 3× · 0 per paper recently · trend down0%repeat
  6. Microbes in Sewage Treatmentasked 3× · 0 per paper recently · trend down0%repeat
All most-repeated NEET topics

What gets asked: 10 concepts

Every question in the bank is tagged to one of these, so practice can target the exact idea you keep missing.

Fermented BeveragesMicrobes as Biocontrol AgentsMicrobes as BiofertilizersMicrobes in Household ProductsMicrobes in Human Welfare (Beyond Syllabus)Microbes in Industrial ProductsMicrobes in Production of BiogasMicrobes in Sewage TreatmentMicrobes Used in Bioactive Molecules ProductionMicrobial Production of Antibiotics

Sample questions

Question 1
The bacteria used in biogas production, which are also found in the rumen of cattle, are:
Question 2
Penicillin, the first antibiotic to be discovered, was obtained from:
Question 3
The biochemical oxygen demand (BOD) of a water sample is a measure of:

Start practicing Microbes in Human Welfare now

Practice adapts as you go — get one wrong and the next question targets the same concept instead of moving on. Or sit a timed test to see where you actually stand.

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Frequently asked

How many questions come from Microbes in Human Welfare in NEET?
Microbes in Human Welfare was examined 32 times across the 13 NEET papers from 2013 to 2025 — about 2.5 questions (10 marks) per paper.
Is Microbes in Human Welfare important for NEET 2027?
Yes — at roughly 2.5 questions a paper it is one of the higher-yield Biology chapters, and the NEET 2027 syllabus (NMC/UGMEB, December 2025) retains it.
How can I practice Microbes in Human Welfare for NEET for free?
nextAIR holds 50 tagged questions on Microbes in Human Welfare across 10 concepts. Adaptive practice and a timed chapter test both start from this page, free, with no signup.

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