Multiple choice

Bacteria cannot survive in a highly salted pickle because

  1. salt inhibits chemosynthesis

  2. bacteria do not have enough light for photosynthesis

  3. bacteria become plasmolysed and are consequently killed

  4. the pickle does not contain nutrients necessary for bacteria to live in
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Due to the hypertonic nature of salt. Any living cell in such an environment will become plasmolysed (loss of water) and die or become temporarily inactivated.

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