Q1. Which of the following enzymes is obtained from Streptococcus and used to dissolve blood clots?A. LipaseB. StreptokinaseC. ProteaseD. Pectinase
Q2. Which of the following bacteria is commonly used for lactic acid production?A. Acetobacter acetiB. LactobacillusC. PseudomonasD. Clostridium
Q3. Which microorganism is used for the production of vinegar (acetic acid)?A. LactobacillusB. Acetobacter acetiC. Saccharomyces cerevisiaeD. Clostridium
Q4. Which of the following bioactive molecules is used as a cholesterol-lowering agent?A. Cyclosporin AB. StreptokinaseC. StatinsD. Penicillin
Q5. Which microbial process is responsible for producing carbon dioxide in dough fermentation?A. PhotosynthesisB. FermentationC. NitrificationD. Respiration
Q6. Which of the following statements regarding methanogens is correct?A. Methanogens play a role in secondary sewage treatment.B. Methanogens help in biogas production.C. Methanogens are aerobic bacteria.D. Methanogens are responsible for nitrification in soil.
Q7. Which microbial product is used in detergent formulations to break down fats and oils?A. LipaseB. ProteaseC. PectinaseD. Streptokinase
Q8. Which of the following statements about biofertilizers is correct?A. Rhizobium forms symbiotic associations with cereals.B. Cyanobacteria like Nostoc can fix nitrogen.C. Azotobacter is a symbiotic nitrogen fixer.D. Biofertilizers reduce soil fertility over time.
Q9. Which bacteria are primarily responsible for nitrogen fixation in the soil?A. Pseudomonas and ClostridiumB. Lactobacillus and AcetobacterC. Azotobacter and RhizobiumD. Penicillium and Aspergillus
Q10. Which microorganism is used in the fermentation of bamboo shoots?A. LactobacillusB. Saccharomyces cerevisiaeC. ClostridiumD. Pseudomonas