NEET UG · Biology · Class 12
Microbes in Human Welfare: NEET previous year questions
16 questions in ten years of NEET, asked in 9 of 10 years. Here is what this chapter tests and how.
- Asked in 10 years
- 16
- 9 of 10 papers
- 10-year average
- 1.6
- a paper · 1.6 since 2024 0.1
- Typical range
- 1–3
- questions a paper; fewest 0, most 4
- Weighted estimate
- 1.5
- model, recent papers count more · about 6 marks
- Typical range (fact)
- 10-year average (fact)
- Weighted estimate (model)
Typical range: questions per paper in the middle eight of the ten papers, leaving out the single highest and lowest year (about the 10th to 90th percentile), each paper scaled to 180 questions. The ten-year average and the range are historical fact. The weighted estimate is a model: each paper's share, with recent papers counting more (half-life three years), and dropped syllabus removed. It is a guide to effort, not a forecast.
What to do
How to spend time on Microbes in Human Welfare
Priority
Among the chapters that took NEET from half to 80% of its questions. How bands are set
- Past questions
- 16in 9 of 10 papers
- Study plan gives it
- 11 hover 12 months; 9 h over 6
Ideas asked most often
- Microbe-Product Matching5×
- Bioactive Molecules4×
- Sewage Treatment and Biogas2×
- Biocontrol Agents2×
Questions per year
Kind of question
SHARE OF 10 YEARS- Recall75%
- Match the lists25%
Most common asks: match list on microbes and products (5); identify benefit of a microbial process (1); sequence step in sewage treatment (1).
Profile
This chapter in numbers
Where it ranks, how steady it is, and what it costs to study.
- Rank, all NEET chapters
- #62
- of 80 by weighted estimate
- Rank in Biology
- #27
- of 32 chapters
- Share of the paper
- 0.9%
- ten-year average
- Busiest year
- 2019
- 4 questions
- Year to year
- Some swing
- varies by about 1.1 questions
- Long-run direction
- -0.10
- questions per paper, per year
- Easy questions
- 50%
- 53% of ideas rated hard
- With a figure
- 0%
- graph, diagram or structure
- Botany / Zoology
- 14 / 2
- questions by section
- Study time
- 11 h
- 9 h on a 6-month plan
- Marks per study hour
- 0.53
- #51 of 80 chapters
- Foundation for others
- 50%
- of its ideas are used in other chapters
Difficulty, year by year
Each question rated easy, medium or hard against NCERT.
- 20172
- 20181
- 20194
- 20202
- 20211
- 20221
- 2023
- 20241
- 20253
- 20261
- Easy
- Medium
- Hard
What it asks you to do
SHARE OF QUESTIONS- Recall100%
Topics
What repeats, topic by topic
Questions per topic in each year's paper. Topics that come every year are worth learning first.
- Microbes in Human Welfare · Every year16214211131
| Topic | 2017 | ’18 | 2019 | ’20 | 2021 | ’22 | 2023 | ’24 | 2025 | ’26 | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Microbes in Human WelfareEvery year | 2 | 1 | 4 | 2 | 1 | 1 | · | 1 | 3 | 1 | 16 |
Drill down
Topic, idea, question
Open a topic to see every idea NEET tested inside it, then open an idea to read the questions. Each row shows its ten papers.
7 ideas inside
- Repeated5 · 31%
- Repeated4 · 25%
- 2 · 13%2
- Repeated2 · 13%
- 1 · 6%
- 1 · 6%
- 1 · 6%
Squares are the ten papers, 2017 to 2026; darker means more questions. Share is of the level above.
Ideas
The exact ideas NEET has asked
Inside the topics, 7 different ideas were tested. These came more than once, or are new since 2024.
- Microbe-Product Matching5×
match list on microbes and products
- Bioactive Molecules4×
identify microbial source of a drug
- Sewage Treatment and Biogas2×
sequence step in sewage treatment
- Biocontrol Agents2×
identify group of biocontrol agents
- Fermented BeveragesNew1×
identify example of a product
Every question
Microbes in Human Welfare questions, year by year
The opening words of each question as it appeared in the official paper.
NEET 20261 question
- Q136Which of the following is used as a clot buster?One-line MCQ
NEET 20253 questions
- Q103Which of the following is an example of non-distilled alcoholic beverage produced by yeast?One-line MCQ
- Q105Streptokinase produced by bacterium *Streptococcus* is used forOne-line MCQ
- Q177Which of the following microbes is NOT involved in the preparation of household products? A. Aspergillus niger B. Lactobacillus C.…Other
NEET 20241 question
- Q128Match List I with List II List I | List II A. | I. Ethanol B. | II. Streptokinase…Match the lists
NEET 20221 question
- Q153Identify the microorganism which is responsible for the production of an immunosuppressive molecule cyclosporin A :One-line MCQ
NEET 20211 question
- Q183Match List - I with List - II. List - I | List - II (a) Aspergillus niger | (i) Acetic Acid (b) Acetobacter aceti | (ii) Lactic Acid (c)…Match the lists
NEET 20202 questions
- Q23Which of the following is put into Anaerobic sludge digester for further sewage treatment ?One-line MCQ
- Q48Match the following columns and select the correct option. Column - I | Column - II (a) Clostridium butylicum | (i) Cyclosporin-A (b)…Match the lists
NEET 20194 questions
- Q96Which of the following is a commercial blood cholesterol lowering agent ?One-line MCQ
- Q123Select the correct group of biocontrol agents.One-line MCQ
- Q125Match the following organisms with the products they produce : (a) Lactobacillus | (i) Cheese (b) Saccharomyces cerevisiae | (ii) Curd (c)…Match the lists
- Q169Which of the following can be used as a biocontrol agent in the treatment of plant disease ?One-line MCQ
NEET 20181 question
- Q178Conversion of milk to curd improves its nutritional value by increasing the amount ofOne-line MCQ
NEET 20172 questions
- Q136Which of the following is correctly matched for the product produced by them ?One-line MCQ
- Q176Which of the following in sewage treatment removes suspended solids ?One-line MCQ
Questions from the official NEET UG papers published by NTA (CBSE before 2019). Topic and idea tags, counts and notes are Lumi’s.