Year-wise Weightage (2015–2026)

2026 vs 2025: +2 more questions vs 2025

YearQuestions AskedMarks
2026520
2025312
202414
2023
202214
Show all years (2015–2021)
202114
202028
2019624
201814
201728
2016624
2015
Q1
NEET 2016 Phase 2

Match Column-I with Column-II and select the correct option using the codes given below: Column-I a. Citric acid b. Cyclosporin A c. Statins d. Butyric acid Column-II (i) Trichoderma (ii) Clostridium (iii) Aspergillus (iv) Monascus Choose the correct option.

Q2
NEET 2016 Phase 1

The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the:

Q3
NEET 2016 Phase 2

Biochemical Oxygen Demand (BOD) may not be a good index for pollution for water bodies receiving effluents from

Q4
NEET 2016 Phase 1

A river with an inflow of domestic sewage rich in organic waste may result in:

Q5
NEET 2016 Phase 1

Which of the following is wrongly matched in the given table (Microbe – Product – Application)?

Q6
NEET 2016 Phase 1 · NEET 2019 Odisha

Which of the following statements about methanogens is not correct?

Q7
NEET 2017

Which of the following in sewage treatment removes suspended solids?

Q8
NEET 2017

Which of the following is correctly matched for the product produced by them?

Q9
NEET 2018

Conversion of milk to curd improves its nutritional value by increasing the amount of

Q10
NEET 2019

Select the correct group of biocontrol agents.

Q11
NEET 2019

Match the following organisms with the products they produce: Column-I (a) Lactobacillus (b) Saccharomyces cerevisiae (c) Aspergillus niger (d) Acetobacter aceti Column-II (i) Cheese (ii) Curd (iii) Citric Acid (iv) Bread (v) Acetic acid Choose the correct option.

Q12
NEET 2019

Which of the following can be used as a biocontrol agent in the treatment of plant disease?

Q13
NEET 2019

Pinus seed cannot germinate and establish without fungal association. This is because :

Q14
NEET 2019

Which of the following is a commercial blood cholesterol lowering agent?

Q15
NEET 2020

Which of the following is put into Anaerobic sludge digester for further sewage treatment?

Q16
NEET 2020

Match the following columns and select the correct option: Column-I (a) Clostridium butylicum (b) Trichoderma polysporum (c) Monascus purpureus (d) Aspergillus niger Column-II (i) Cyclosporin-A (ii) Butyric acid (iii) Citric acid (iv) Statins Choose the correct option.

Q17
NEET 2021

Match list I with list II. List I (Microorganism) — List II (Product): (a) Aspergillus niger (b) Acetobacter aceti (c) Clostridium butylicum (d) Lactobacillus (i) Acetic Acid (ii) Lactic Acid (iii) Citric Acid (iv) Butyric Acid

Q18
NEET 2022

Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A:

Q19
NEET 2024

Match List I with List II. List I List II A. Clostridium butylicum I. Ethanol B. Saccharomyces cerevisiae II. Streptokinase C. Trichoderma polysporum III. Butyric acid D. Streptococcus sp. IV. Cyclosporin-A Choose the correct answer from the options given below.

Q20
NEET 2025

Which of the following microbes is NOT involved in the preparation of household products? A. Aspergillus niger B. Lactobacillus C. Trichoderma polysporum D. Saccharomyces cerevisiae E. Propionibacterium sharmanii Choose the correct answer from the options given below:

Q21
NEET 2025

Streptokinase produced by bacterium Streptococcus is used for

Q22
NEET 2025

Which of following organisms cannot fix nitrogen? A. Azotobacter B. Oscillatoria C. Anabaena D. Volvox E. Nostoc Choose the correct answer from the options given below:

Q23
NEET 2026 (1)

What is the reason behind production of large holes in 'Swiss Cheese'?

Q24
NEET 2026 (1)

A biocontrol agent to be a part of an integrated pest management should be

Q25
NEET 2026 (1)

Match List I with List II: List I (Bioactive molecules) A. Streptokinase B. Statins C. Lipases D. Cyclosporin A List II (Importance) I. Immunosuppressive agent II. Removal of clots from the blood vessels III. Blood cholesterol-lowering agent IV. Detergent formulations Choose the correct answer from the options given below:

Q26
NEET 2026 (1)

Among the following pairs of microbes, which pair has both the microbes that can be used as biofertilizers?

Q27
ReNEET 2026

Which of the following is used as a clot buster?

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Microbes in Human Welfare — NEET PYQ Analysis

Microbes in Human Welfare is a Class 12 Botany chapter that has been consistently tested in NEET from 2016 to 2026. This page contains 27 authentic previous year questions from actual NEET exam papers — not model questions or predictions.

Understanding how NEET frames questions from this chapter is crucial for scoring well. Topics frequently tested include . Check the NEET Biology chapter-wise weightage analysis to see how this chapter ranks based on 940 PYQ analysis. For comprehensive practice with detailed NCERT-based explanations, download the MedicNEET app which covers 17,000+ questions across the full Biology syllabus (27,000+ across all three subjects).

Study Microbes in Human Welfare Concept-by-Concept

Every NCERT paragraph from Microbes in Human Welfare that NEET has tested. Each is its own concept page with the question, answer and exam-pattern analysis. Ranked by how many times NEET has tested the paragraph.

View all 13 concepts from Microbes in Human Welfare