Q1. Which microbial enzyme is used to clarify fruit juices?A. LipaseB. PectinaseC. ProteaseD. Amylase
Q2. Which of the following microbes is used in the biological control of butterfly caterpillars?A. Bacillus thuringiensisB. AspergillusC. RhizobiumD. Pseudomonas
Q3. Which microorganism is used to ferment palm sap to produce the traditional drink 'toddy'?A. Saccharomyces cerevisiaeB. Acetobacter acetiC. LactobacillusD. Clostridium
Q4. Which of the following statements about industrial uses of microbes is correct?A. Aspergillus niger is used for ethanol production.B. Saccharomyces cerevisiae is used in bread-making.C. Pseudomonas is used in cheese production.D. Lactobacillus is used for antibiotic production.
Q5. Which of the following microbes is commonly used for biological control of plant pathogens?A. RhizobiumB. TrichodermaC. PseudomonasD. Saccharomyces cerevisiae
Q6. Which of the following microbes is used for biogas production?A. MethanobacteriumB. LactobacillusC. Saccharomyces cerevisiaeD. Pseudomonas
Q7. Which of the following microbes is used in biogas production?A. MethanobacteriumB. LactobacillusC. RhizobiumD. Pseudomonas
Q8. Which microorganism is used for the production of butanol and acetone?A. Clostridium butylicumB. Aspergillus nigerC. Saccharomyces cerevisiaeD. Lactobacillus
Q9. Which microorganism is commonly used in single-cell protein (SCP) production?A. MethanobacteriumB. SpirulinaC. PseudomonasD. Clostridium
Q10. Which of the following biofertilizers is most effective in increasing nitrogen content in paddy fields?A. AzospirillumB. GlomusC. NostocD. Rhizobium