Difficulty distribution
How the classified questions are distributed by difficulty.
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Practice Microbes In Human Welfare - Botany - Biology previous year questions organised from real papers, with year-wise coverage and clear topic navigation.
Every graph below is calculated only from this selection.
Year-wise coverage for Microbes In Human Welfare. Each bar uses a separate theme-derived color.
How the classified questions are distributed by difficulty.
MCQ, numerical, multiple-select and other formats found in these papers.
Top subjects by unique question coverage.
Top topics across the included previous year papers.
Top subtopics inside this exact selection.
Question coverage for the most populated papers. Every active PYP paper remains listed below.
Newest papers appear first. Sort by year, question coverage or name.
| Paper | Year / session | Questions in this view | Open |
|---|---|---|---|
| MHT CET (PCB) 2025 9th April Evening Shift | 2025 | 3 | View paper |
| MHT CET (PCB) 2025 9th April Morning Shift | 2025 | 3 | View paper |
| MHT CET (PCB) 2024 22th April Evening Shift | 2024 | 2 | View paper |
| MHT CET (PCB) 2024 22th April Morning Shift | 2024 | 3 | View paper |
Practice every matching question in batches of 20, with every available option.
Which of the following microbes is used in the production of yoghurt?
Protozoans like Nosema locustae is used for controlling the target pests like ________
Following are viral diseases in poultry, EXCEPT ________
How many of the following are the symbiotic nitrogen fixing micro-organisms?
Rhizobium, Anabaena, Frankia, Azotobacter, Nostoc, Clostridium, Beijerinckia, Klebsiella
Given below are two statements:
Statement I - Toddy is made by fermenting fleshy pedicels of cashews nuts.
Statement II - Fenny is made by fermenting the sugar sap extracted from palm plants and coconut palm.
In light of above statements, select the correct answer from the option given below.
Match Column I containing names of enzymes with Column II containing their microbial source.
| Column I |
Column II |
||
|---|---|---|---|
| i. | Invertase | a. | Sclerotinialibertine |
| ii. | Pectinase | b. | Trichoderma koningii |
| iii. | Lipase | c. | Saccharomyces cerevisiae |
| iv. | Cellulase | d. | Candida lipolytica |
Which one of the following is a non-symbiotic biofertilizer?
Eremothecium ashbyi is used to obtain __________ .
Spores of which one of the microbial biocontrol agents are used to get rid of butterfly?
The famous wine of Goa, traditionally called 'fenny', is made by fermenting the fleshy pedicels of __________ fruits.
Which one of the following is NOT a cyanobacterial biofertilizer?