What are flocs ? from Biology Microbes in Human Welfare
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    Microbes in Human Welfare

    Multiple Choice QuestionsShort Answer Type

    11. How can a small amount of curd added to fresh milk convert it into curd ?
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    12. What is toddy ?
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    13. What are fermentors ?
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    14. What is primary sludge ?
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    15. What are flocs ?

    Flocs are masses of bacteria associated with fungal hyphae so as to  form mesh-like structures.
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    16. What is relationship between BOD and organic matter in sewage ?
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    17. Name two gases produced during microbial treatment by sewage.
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    Multiple Choice QuestionsOne Word Answers

    18. Which gas is produced by bacteria which grow anaerobically on cellulosic material
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    19. Who discovered penicillin?
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    20. Which enzyme is used as a clot buster?
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