Q1. Which of the following microbes is used to produce butyric acid?A. LactobacillusB. Clostridium butylicumC. RhizobiumD. Penicillium
Q2. Which microorganism is used in the biological treatment of oil spills?A. LactobacillusB. PseudomonasC. Saccharomyces cerevisiaeD. Rhizobium
Q3. Which of the following microbes is used in the production of ethanol?A. Saccharomyces cerevisiaeB. PseudomonasC. RhizobiumD. Clostridium
Q4. Which of the following microbes is used for the production of bioactive molecules called statins?A. Aspergillus nigerB. Monascus purpureusC. Trichoderma polysporumD. Pseudomonas
Q5. Which of the following statements about biofertilizers is incorrect?A. Azospirillum is a free-living nitrogen-fixing bacterium.B. Rhizobium forms a symbiotic association with leguminous plants.C. Cyanobacteria like Nostoc help in nitrogen fixation.D. Biofertilizers reduce soil fertility over time.
Q6. Which of the following bioactive molecules is used as an immunosuppressive agent in organ transplant patients?A. StatinsB. Cyclosporin AC. StreptokinaseD. Penicillin
Q7. Which of the following statements about microbes in food production is correct?A. Lactobacillus helps in curd formation.B. Saccharomyces cerevisiae is used in antibiotic production.C. Microbes are never used in food fermentation.D. Penicillium helps in making ethanol.
Q8. Which microbe is used to produce ethanol in commercial industries?A. Saccharomyces cerevisiaeB. AcetobacterC. LactobacillusD. Clostridium
Q9. Which microorganism is responsible for the production of lactic acid in dairy products?A. Saccharomyces cerevisiaeB. LactobacillusC. Clostridium butylicumD. Aspergillus niger
Q10. Which of the following bioactive molecules is used as an immunosuppressant?A. StatinsB. Cyclosporin AC. StreptokinaseD. Penicillin