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Biology · Class 12Microbes in Human WelfareVideo coming soonRead the notes instead
Free notes for this chapterMark as Completed
Microbes in Household Products, Industrial Products, Sewage Treatment and the board questions built on them — roughly 4 marks of the paper.
What this chapter covers
- 1Microbes in Household Products
- 2Industrial Products
- 3Sewage Treatment
- 4Biogas and Biocontrol Agents
These lessons are being recorded. The written notes for this chapter are free to download now.
Learning resources
Seedha Notes
Chapter notes withimportant points,examples & format
View Notes for Microbes in Human Welfare, BiologyPractice Questions
Important questions,board questions,numericals
Practice Now for Microbes in Human Welfare, BiologyPrevious yearquestions withfull solutions
View PYQs for Microbes in Human Welfare, BiologySample Paper
Board patternsample paper withmarking scheme
Open Paper for Microbes in Human Welfare, Biology
In the notes
Topics covered
- 01Microbes in Household Products30:57
- 02Industrial Products19:41
- 03Sewage Treatment31:42
- 04Biogas and Biocontrol Agents9:35
After this chapter you can
- Explain microbes in household products without reading from the book
- Present industrial products in the format the marking scheme rewards
- Attempt every previous year question set on this chapter
- Marks
- 4
- PYQs
- 24
- Video
- 1h 32m
Then do the work
- One-shot revision, 23 minutes
- Formula sheet for this chapter
- Printable summary, 2 pages
Prepare
| Year | Asked as | Marks |
|---|---|---|
| 2025 | Short answer | 6 |
| 2024 | Case based | 2 |
| 2023 | MCQ set | 2 |
| 2022 | Long answer | 4 |
| 2021 | Short answer | 4 |
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