GK / GS · Chapter 10
Microorganisms, Biotechnology and Discoveries PYQs
Look at a single drop of pond water through a microscope and you meet a whole hidden world.
Bacteria and Viruses 8 PYQs
- Which microscopic organism is classified under microbiology but is not a prokaryote?SSC Selection Post 2026 · 23 Sep 2026
- A single bacterial cell reproduces by binary fission, causing the number of cells to double every 20 minutes. How many bacterial cells will be…SSC CGL 2026 · 06 Oct 2026
- Which type of plasmid lacks a complete conjugation system and therefore requires a self- transmissible helper plasmid for transfer between bacterial…SSC CGL 2026 · 13 Oct 2026
- A bacterial culture initially contains 200 bacteria and doubles in size every hour. How many bacteria will be present after 3 hours?SSC CGL 2026 · 15 Oct 2026
- Which type of pathogen is is responsible for causing poliomyelitis in humans?DSSSB 2026 · 06 Oct 2026
- Which of the following tests is commonly used as a screening test for HIV infection?DSSSB 2026 · 13 Oct 2026
- Which disease–pathogen pair is NOT correctly matched?DSSSB 2026 · 14 Oct 2026
- Through which part of the human body does Salmonella Typhi, the causative bacterium of typhoid, primarily spread to different organs?DSSSB 2026 · 15 Oct 2026
Fungi, Protozoa and Algae 6 PYQs
- Which of the following diseases is transmitted through droplets released by an infected person?DSSSB 2026 · 01 Oct 2026
- Through whose bite does Plasmodium enter the human body?DSSSB 2026 · 08 Oct 2026
- Which type of biomolecules constitute most enzymes in the human body?DSSSB 2026 · 09 Oct 2026
- Which component provides the body's first physical barrier against pathogens?DSSSB 2026 · 12 Oct 2026
- Which part of the human digestive system is primarily inhabited by Entamoeba histolytica, the causative agent of amoebiasis?DSSSB 2026 · 16 Oct 2026
- Which of the following tests is traditionally used for the serological diagnosis of typhoid fever?DSSSB 2026 · 17 Oct 2026
Fermentation and Food Microbes 6 PYQs
- Which microorganism is commonly used in the fermentation of dairy products like yogurt?SSC Selection Post 2026 · 21 Sep 2026
- What can happen if tooth decay is left untreated in humans?SSC MTS 2026 · 19 Feb 2026
- Which of the below statement(s) is/are incorrect about B-cells: 1. Produce antibodies 2. Mature in thymus 3. Part of adaptive immunity 4. Derived…SSC CGL 2026 · 13 Oct 2026
- Which gas is produced when yeast ferments sugar?DSSSB 2026 · 04 Oct 2026
- What is the natural metabolic process in which microorganisms such as yeast and bacteria break down sugars without using oxygen?DSSSB 2026 · 04 Oct 2026
- Which process is is responsible for the conversion of milk into curd when a small amount of curd is added to warm milk?DSSSB 2026 · 13 Oct 2026