Multiple choice

The secondary product of which of the following algae is exploited for making dental impressions of teeth?

  1. Red algae

  2. Blue-green algae

  3. Brown algae

  4. Diatoms

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Alginates obtained from brown algae are used for making dental impressions of teeth. Alginates are both skin and food safe.