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1 mark

Select the INCORRECT statement about Agar.

  1. A
    Agar is used to grow microbes.
  2. B
    Agar, one of the commercial products obtained from red algae, gelidium and gracilaria.
  3. C
    It is used as nutrient and source of fat of bacterial culture.
  4. D
    It is used in preparations of ice-creams and jellies.

Solution & Step-by-step Explanation

Statement C is incorrect because Agar-agar is a gel-like polysaccharide substance used primarily as a solidifying or gelling agent in culture media, not as a major nutrient or source of fat for bacterial culture. It is obtained from red algae like Gelidium and Gracilaria, and is widely used to grow microbes as well as in making ice creams and jellies.

Practice this question

Try it yourself before checking the explanation above.

Select the INCORRECT statement about Agar.
A
Agar is used to grow microbes.
B
Agar, one of the commercial products obtained from red algae, gelidium and gracilaria.
C
It is used as nutrient and source of fat of bacterial culture.
D
It is used in preparations of ice-creams and jellies.

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