Biology Practice: Economic Importance of Bacteria & Fungi (Mock Test 4 - Expert/Experimental Logic)
1. In an industrial setup, a batch of cider is being converted to vinegar. Which experimental condition must be maintained to ensure the activity of Acetobacter?
2. A clinical researcher observes that a specific antibiotic inhibits the 'Translation' process in bacteria. Which organelle is the primary target for this medicine?
3. Why is "Biological Nitrogen Fixation" considered more ecologically sustainable than chemical fertilizers?
4. In an experiment to produce "Single Cell Protein" (SCP) using Yeast, which substrate would be the most cost-effective and expert-recommended?
5. Analysis of "Root Nodules" in a pea plant reveals a pink pigment. What is the expert logic behind the presence of this 'Leghaemoglobin'?
6. A patient is prescribed a "Broad-spectrum" antibiotic. This implies the medicine is effective against:
7. In "Bioremediation", why are specific bacterial strains engineered to degrade hydrocarbons in oil spills?
8. What would be the expert result if a farmer over-applied "Denitrifying" bacterial cultures to a fertile field?
9. During the "Retting" of fibers, if the process is left too long, what happens to the quality of the fiber?
10. "Genetic Engineering" of bacteria often involves 'Plasmids'. These are:
11. In a clinical trial, "Passive Immunity" is provided by injecting:
12. Why is "Canning" of food considered an expert method to prevent spoilage by Clostridium botulinum?
13. In the "Cheese-making" industry, 'Rennet' or 'Chymosin' is used to:
14. What is the metabolic byproduct of yeast that is primarily sought after in the "Brewing" industry?
15. "Aflatoxins" are dangerous because they are not only toxic but also ______ (cancer-causing).
16. The characteristic 'flavor' of "Yogurt" is primarily due to the production of ______ by specific bacteria.
17. Which of the following experimental logic defines "Ammonification"?
18. Fungi are often used in the "Textile" industry to produce enzymes like 'Cellulases' which help in:
19. In "Vinegar" production, the two-stage process involves ______ followed by ______.
20. What is the clinical significance of "Drug Resistance" in bacteria?
