Which of the following statements is incorrect?

  • A
    Algae increase the level of dissolved $O_2$ in their 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.

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Similar Questions

In oogamy,fertilization involves

Which of the following can be used as a bacteriological filter?

Assertion $(A)$: Algae are known as primitive plants.
Reason $(R)$: The body structure of algae is simple.

Algae with photosynthetic pigments possess which type of nutrition?

Complex post-fertilization development is seen in which algae?

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