First slide

Algae

Question

Which one of the following statements is wrong?

Moderate

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.

Solution

Algin is obtained from brown algae while carragecnin obtained from red algae.
Algae increase the level of dissolved oxygen in immediate environment due to photosynthesisis
Agar-Agar obtained from red algae Gelidium & Gracilaria.
Laminaria and Sargassum are brown algar used as food.

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