Biology Practice: Economic Importance of Bacteria and Fungi (Mock Test 1 - Basic Level)
1. Which bacterium is primarily responsible for the conversion of milk into curd?
2. The first antibiotic to be discovered was Penicillin, obtained from a:
3. Yeast is used in the bakery industry because it releases which gas during fermentation?
4. Bacteria that help in fixing atmospheric nitrogen in the root nodules of leguminous plants are:
5. The process of heating milk to a specific temperature to kill harmful bacteria is called:
6. Which of the following is an edible fungus?
7. The chemicals produced by microorganisms that can kill or inhibit the growth of other microbes are:
8. Vinegar is produced with the help of which type of bacteria?
9. Tanning of leather and retting of fibers are industrial processes facilitated by:
10. "Curdling" of milk occurs because bacteria convert lactose sugar into:
11. Which scientist is known for the discovery of the first antibiotic?
12. The medicine 'Streptomycin' is used to treat which disease?
13. Which of the following describes "Ammonification"?
14. Brewing (Alcohol production) involves the process of ______ by yeast cells.
15. The "Serum" used for vaccinations is generally rich in:
16. Bacteria that cause spoilage of food by producing toxins are called:
17. Which microorganism is considered a "Nature's Scavenger" along with fungi?
18. The disease "Botulism" is caused by bacteria present in:
19. Which process converts ammonia into nitrites and nitrates?
20. Vaccination provides ______ immunity to the body.