Q1. Which of the following microbes is commonly found in the rumen of cattle?A. ClostridiumB. MethanobacteriumC. StreptococcusD. Bacillus
Q2. What is the role of Baculoviruses in pest control?A. They kill mosquito larvaeB. They attack insects and arthropodsC. They fix nitrogen in soilD. They help in sewage treatment
Q3. Which of the following statements about sewage treatment is incorrect?A. Primary treatment removes suspended solids.B. Aerobic bacteria are used in secondary treatment.C. Methanogens are involved in secondary treatment.D. Activated sludge is used in further treatment processes.
Q4. Which microorganism is used in the production of bioactive molecule Streptokinase?A. StreptococcusB. BacillusC. PseudomonasD. Saccharomyces
Q5. Which of the following statements regarding biocontrol agents is correct?A. Trichoderma is used as a biocontrol agent against plant pathogens.B. Bacillus thuringiensis affects plant roots.C. Pseudomonas is used in nitrogen fixation.D. Biofertilizers and biopesticides function in the same way.
Q7. Which of the following is used in the fermentation of idli and dosa batter?A. AspergillusB. RhizobiumC. Lactic acid bacteriaD. Saccharomyces cerevisiae
Q8. Which of the following statements regarding biogas production is incorrect?A. Methanogens are responsible for methane production.B. Biogas plants work only in the presence of oxygen.C. Biogas contains methane and carbon dioxide.D. Anaerobic bacteria play a major role in biogas production.
Q9. Which of the following statements about microbes in industrial production is correct?A. Saccharomyces cerevisiae is used in ethanol production.B. Lactobacillus is used in beer production.C. Aspergillus niger is used to produce acetic acid.D. Rhizobium is used in antibiotic production.
Q10. Which of the following is used in sewage treatment to reduce Biochemical Oxygen Demand (BOD)?A. FungiB. MethanogensC. Aerobic bacteriaD. Protozoa