Q. Which one of the following statements is wrong?
A) Algae increase the level of dissolved oxygen in the immediate environment.
B) Algin is obtained from red algae, and carrageenan from brown algae.
C) Agar-agar is obtained from $Gelidium$ and $Gracilaria$.
D) $Laminaria$ and $Sargassum$ are used as food.
Explanation
[Solution] It is the reverse: algin comes from brown algae and carrageenan from red algae. Answer (2).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.