Q1. Which of the following microbes is used in the production of vitamin B12?A. AcetobacterB. LactobacillusC. PropionibacteriumD. Pseudomonas
Q2. Which of the following microbes is used in the bioremediation of oil spills?A. PseudomonasB. Saccharomyces cerevisiaeC. ClostridiumD. Lactobacillus
Q3. Which of the following statements about Bt toxin is incorrect?A. Bt toxin is produced by Bacillus thuringiensis.B. Bt toxin remains active inside bacterial cells.C. Bt toxin affects insect larvae.D. Bt crops are genetically modified to produce Bt toxin.
Q4. Which of the following microbes is used for the large-scale production of citric acid?A. Saccharomyces cerevisiaeB. Aspergillus nigerC. Acetobacter acetiD. Lactobacillus
Q5. Which microorganism is used in the fermentation of bamboo shoots?A. LactobacillusB. SaccharomycesC. ClostridiumD. Pseudomonas
Q6. Which of the following statements about sewage treatment is incorrect?A. Secondary treatment uses aerobic bacteria.B. Primary treatment removes large solid waste.C. Methanogens are involved in primary treatment.D. Activated sludge is formed during secondary treatment.
Q7. Which enzyme is used for dissolving blood clots in patients with heart disease?A. LipaseB. PectinaseC. StreptokinaseD. Amylase
Q8. Which of the following microbes is used in the fermentation of idli and dosa batter?A. LactobacillusB. Saccharomyces cerevisiaeC. PseudomonasD. Clostridium
Q9. Which of the following statements about antibiotics is correct?A. Penicillin was the first antibiotic discovered.B. Antibiotics are effective against viral infections.C. Erythromycin is derived from fungi.D. Streptomycin is produced by a fungus.
Q10. Which bioactive molecule, used as a cholesterol-lowering agent, is obtained from Monascus purpureus?A. Cyclosporin AB. StatinsC. PenicillinD. Streptokinase