Q1. Which microbe is used in biological pest control against mosquitoes?A. Bacillus thuringiensisB. Bacillus sphaericusC. PseudomonasD. Trichoderma
Q2. Which of the following microbes is used in the fermentation of dosa and idli batter?A. LactobacillusB. Saccharomyces cerevisiaeC. Acetobacter acetiD. Aspergillus niger
Q3. Which bioactive molecule is produced by Monascus purpureus?A. PenicillinB. StatinsC. StreptokinaseD. Cyclosporin A
Q4. Which type of bacteria is used in the biological treatment of sewage to form microbial flocs?A. Methanogenic bacteriaB. Aerobic heterotrophic bacteriaC. Denitrifying bacteriaD. Cyanobacteria
Q5. Which of the following microbes is used as a biopesticide?A. Bacillus thuringiensisB. Escherichia coliC. LactobacillusD. Saccharomyces cerevisiae
Q6. Which of the following statements about biofertilizers is correct?A. Rhizobium fixes atmospheric nitrogen in cereal crops.B. Cyanobacteria like Nostoc help in nitrogen fixation.C. Biofertilizers reduce soil fertility over time.D. Azotobacter forms a symbiotic relationship with legumes.
Q7. Which bioactive molecule is produced by Trichoderma polysporum?A. Cyclosporin AB. StatinsC. StreptokinaseD. Pectinase
Q8. Which of the following microbes is commonly used in the bioremediation of oil spills?A. PseudomonasB. Saccharomyces cerevisiaeC. RhizobiumD. Lactobacillus
Q9. Which of the following is a bacterial biofertilizer commonly used in rice fields?A. AzospirillumB. TrichodermaC. RhizobiumD. Pseudomonas
Q10. Which gas is predominantly produced during microbial biogas production?A. OxygenB. Carbon dioxideC. MethaneD. Nitrogen