Q1. Which of the following microbes is used in the commercial production of citric acid?A. Saccharomyces cerevisiaeB. Aspergillus nigerC. Acetobacter acetiD. Pseudomonas
Q2. Which of the following is responsible for large holes in Swiss cheese?A. Saccharomyces cerevisiaeB. Propionibacterium shermaniiC. Penicillium roquefortiD. Lactobacillus
Q3. Which of the following microbes is commonly used in the fermentation of traditional foods like soy sauce?A. RhizopusB. SaccharomycesC. AspergillusD. Lactobacillus
Q4. Which microorganism is used for the industrial production of lactic acid?A. Saccharomyces cerevisiaeB. Aspergillus nigerC. LactobacillusD. Acetobacter
Q5. Which of the following is a fungal biocontrol agent for plant pathogens?A. Bacillus thuringiensisB. TrichodermaC. AspergillusD. Rhizobium
Q6. Which of the following statements regarding Bt toxin is incorrect?A. Bt toxin is inactive inside bacterial cells.B. Bt toxin becomes active in the alkaline gut of insects.C. Bt toxin affects human intestinal cells.D. Bt toxin is widely used in genetically modified crops.
Q7. Which of the following statements about Single Cell Protein (SCP) is correct?A. SCP is produced only from fungi.B. Spirulina is used for SCP production.C. SCP has low protein content.D. SCP is not suitable for human consumption.
Q8. Which of the following microbes is commonly used for Single Cell Protein (SCP) production?A. Saccharomyces cerevisiaeB. MethanobacteriumC. SpirulinaD. Clostridium
Q9. Which of the following bacteria is used in detergent formulations to remove oily stains?A. Escherichia coliB. PseudomonasC. StreptococcusD. Lactobacillus
Q10. Which of the following is an example of a cyanobacterium used as a biofertilizer?A. AnabaenaB. RhizobiumC. AspergillusD. Bacillus