EXERCISESA. Choose the most appropriate answer.1. Which of the following cannot be classified as either living or non-living?a. fungib. bacteriavirusesd. protozoa2. Amoeba is aa. bacteriumb. virus.c. fungusd. protozoa3. Which of the following make their own food by photosynthesis?a. algaeb. virusesd. protozoa4. The unicellular organisms that sour milk to make curd area. bacteria.b. viruses.c. fungid. protozoa5. Which of the following is responsible for making bread soft and fluffy?a. finely ground flourc. fungib. sugarc. alcohol given off during fermentation of sugard. carbon dioxide gas given off during fermentation of sugar6. Which of these do not have a regular cell structure?a. bacteriab. virusesc. algaed protozoa7. Which of these are found as both unicellular and multicellular organisms?a. bacteriab. virusesc. algaed. protozoa8. The bacterium Lactobacillus is useful in makinga. cheese.b. cake.c. alcohold. all of these9. Microorganisms spread throughb. cuts.c. water.d. all of these10. Which of these does not prevent growth of bacteria?saltb. sugarC. Waterd. oila. air.​