Microbial Interactions
Biology ⇒ Microorganisms and Microbiology
Microbial Interactions starts at 10 and continues till grade 12.
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See sample questions for grade 12
Describe how microbial interactions can be harnessed in biotechnology.
Describe the difference between competition and amensalism in microbial interactions.
Describe the process of quorum sensing and its significance in microbial communities.
Describe the role of bacteriocins in microbial interactions.
Describe the role of microbial interactions in the formation of dental plaque.
Explain how microbial antagonism can be beneficial in the human body.
Explain how microbial interactions can influence nutrient cycling in the environment.
Explain how quorum sensing can influence microbial interactions in a biofilm.
Which of the following best describes commensalism?
(1) Both organisms benefit
(2) One benefits, one is harmed
(3) One benefits, one is unaffected
(4) Both are harmed
Which of the following best describes mutualism in microbial interactions?
(1) Both organisms benefit
(2) One organism benefits, the other is harmed
(3) One organism benefits, the other is unaffected
(4) Both organisms are harmed
Which of the following is a characteristic of facultative mutualism?
(1) Both organisms must interact to survive
(2) The interaction is optional but beneficial
(3) One organism is harmed
(4) Both organisms are unaffected
Which of the following is an example of commensalism?
(1) Staphylococcus epidermidis on human skin
(2) Plasmodium in human blood
(3) Mycorrhizal fungi and plants
(4) Bdellovibrio attacking E. coli
Fill in the blank: The interaction between a bacteriophage and its bacterial host is an example of __________.
Fill in the blank: The interaction between algae and fungi in lichens is an example of __________.
Fill in the blank: The interaction in which one microorganism produces a substance that inhibits or kills another microorganism is called __________.
Fill in the blank: The interaction where one microorganism benefits and the other is harmed is called __________.
True or False: All microbial interactions are beneficial to the host organism.
True or False: Antibiosis is a form of antagonism where one microorganism produces substances that inhibit or kill another.
True or False: In amensalism, both microorganisms are negatively affected.
True or False: In commensalism, one microorganism benefits while the other is neither helped nor harmed.
