Multiple choice

'Agar' is obtained from:

  1. bacteria

  2. algae

  3. fungi

  4. virus
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Agar is a gelatinous substance derived from the cell walls of certain species of red algae, primarily from the genera Gelidium and Gracilaria. It is widely used as a culture medium in microbiology and as a thickening agent in food. It is not produced by bacteria, fungi, or viruses.

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