Biology, asked by arfeenahmed133, 1 month ago

Which of the following gives smell to water. Spirochetes E coli Pox Algae​

Answers

Answered by hudaattar123
8

Answer:

these items is necessary and provides an aesthetically ... Escherichia coli gastroenteritis (see gastroenteritis). Food poisoning. Botulism.

Answered by RitaNarine
1

Algae like cyanophycean members can cause a foul smell to the water.

  • The excessive growth of certain Cyanobacteria(blue-green algae) in water bodies leads to harmful algal bloom.
  • An algal bloom is the result of excessive fertilisers runoff from farms, draining of Industrial sewages etc. to the water sources.
  • They are capable of secreting cyanotoxins, lethal to aquatic life.
  • The unpleasant earthy or muddy odour is the indication of the presence of cyanotoxins in the water bodies.
  • Cyanotoxin makes the drinking water unpalatable.
  • The common cyanotoxins associated with this bad taste and odour episodes are geosmin and 2-methylisoborneol(MIB).
  • Certain cyanotoxins like microcystin, saxitoxin, anatoxin etc. even cause human illness and respiratory disorders.

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