Microorganisms

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    What are microorganisms?

    They are found in diverse environments and can be unicellular or multicellular.

    What defines bacteria?

    They are prokaryotes that can thrive in extreme conditions.

    How do fungi differ from bacteria?

    Fungi are mostly multicellular and heterotrophic, while bacteria are unicellular prokaryotes.

    What role do protozoa play in ecosystems?

    They are primarily unicellular and contribute to food webs.

    What distinguishes viruses from other microorganisms?

    They can only reproduce inside a host cell.

    Where can microorganisms be found?

    They inhabit environments like hot springs, deserts, and as parasites.

    How do certain bacteria benefit agriculture?

    They fix atmospheric nitrogen, enhancing soil fertility.

    What is a key use of microbes in the food industry?

    They are essential for producing items like bread and alcohol.

    What medical benefits do microorganisms provide?

    They produce antibiotics and vaccines to combat diseases.

    How do bacteria contribute to environmental cleaning?

    They decompose organic matter into nutrients for plants.

    What diseases can harmful microorganisms cause in humans?

    Pathogens can lead to illnesses like tuberculosis and cholera.

    How do microbes affect plants?

    They can cause diseases that reduce crop yields.

    What is a consequence of food spoilage by microbes?

    It can lead to foodborne illnesses.

    What is a chemical method of food preservation?

    Using preservatives like sodium benzoate.

    How does salt help in food preservation?

    It is used to preserve items like pickles and meats.

    What role does sugar play in food preservation?

    It is used in making jams and jellies.

    What is pasteurization?

    It involves heating and quickly cooling milk to kill microbes.

    What is the role of microorganisms in decomposition?

    They break down organic waste into reusable nutrients.