Multiple choice

Which of the following can be excluded from the general characteristics of protista?

  1. The cell wall of red algae is made up of agar and carageenan.

  2. In brown algae, cell wall is made up of lignin and cellulose.

  3. Plant-like protists contains xanthophylls, phycobilins, and carotene.

  4. They are regarded as the true eukaryotes.

  5. They are either free-living or parasitic.

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

In brown algae, cell wall of algin and cellulose protects them against waves and exposure to air. This component ensures uniform freezing and melting of food items.