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MCQs for Microbes in Human Welfare
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MCQs for Microbes in Human Welfare
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25 Questions

1. Which one of the following alcoholic drinks is produced without distillation ?
2. Bacillus thuringiensis is used to control
3. Which of the following steps is taken by the Ministry of Environment and Forests to protect rivers from water pollition ?
4. Bacillus thuringiensis (Bt) strains have been used for designing novel
5. The symbiotic association between fungi and roots of higher plants is referred to as
6. Which of the following antibiotics was extensively used to treat American soldiers wounded in World War 11 ?
7. Living organisms used to enrich the nutrient quality of the soil are called as
8. The nutritive medium for growing bacteria and many fungi in laboratory is called
9. Which one of the following is not a nitrogen-fixing organism ?
10. The residue left after methane production from cattle dung is
11. The primary treatment of wastewater involves the removal of
12. Which of the following microbes is a proteinacious infectious agent ?
13. Statins used for lowering blood cholesterol level are extracted from
14. Cyanobacteria are
15. is the first step of sewage treatment.
16. In the sewage treatment, bacterial floes are allowed to sediment in a settling tank. This sediment is called as
17. Enzyme which has the fibrinolytic effect is
18. Which of the following options incldes biofertilscrs ?
19. Microbes are present in
20. The inoculum is added to the fresh milk in order to convert milk into curd, the term ‘inoculum’ here refers to
21. Biofertilisers are
22. Mycorrhiza does not help the host plant in
23. Which of the following is widely used as a successful biofertiliser in Indian rice field ?
24. The masses of bacteria held together by slime and fungal filaments to form mesh-like structures are called as
25. The vitamin whose content increases following the conversion of milk into curd by lactic acid bacteria is

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