Microbes in Human Welfare - Biogas, Sewage Treatment, Biocontrol, Biofertilizers

Grade 12 Biology — Microbes in Human Welfare - Biogas, Sewage Treatment, Biocontrol, Biofertilizers: 25 practice questions with instant scoring and explanations.

1. Biogas is produced through:
2. Biogas mainly consists of:
3. Biogas can be produced from:
4. Advantages of biogas production include:
5. Biodigesters are:
6. Methanogenic bacteria in biogas production:
7. Sewage treatment involves:
8. Primary sewage treatment involves:
9. Secondary sewage treatment is:
10. Activated sludge process uses:
11. Trickling filters in sewage treatment:
12. Tertiary sewage treatment:
13. Biocontrol refers to:
14. Bacillus thuringiensis (Bt) is used for:
15. Entomopathogenic fungi are:
16. Biocontrol agents can target:
17. Biofertilizers are:
18. Rhizobium bacteria:
19. Azospirillum is:
20. Phosphate-solubilizing microbes:
21. Mycorrhizal fungi form:
22. Advantages of biofertilizers include:
23. Integration of biocontrol and biofertilizers is called:
24. Microbial inoculants are used to:
25. Azotobacter and Cyanobacteria as biofertilizers: