Answer :
Final answer:
Smaller filter pore sizes restrict bacterial passage, allowing fewer to pass through.
Explanation:
Smaller pore sizes in a filter allow fewer bacteria to pass through due to the physical barrier created by the smaller pores, which restrict the passage of bacteria.
For example, membrane filters with an effective pore size of 0.2 µm remove bacteria effectively because most bacteria are larger than this size.
Viruses, being smaller than bacteria, can pass through smaller pores in filters as depicted in the provided reference images.
Learn more about filter pore sizes and bacterial filtration here:
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