Q8 / 180 · NEET 2016 (Phase 2) · Botany

Which one of the following statements is wrong?

  • A
    Algae increase the level of dissolved oxygen in the immediate environment
  • Correct answer
    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 chemical is taken from brown seaweeds. It is used to make medicine and carrageenan from red algae a substance extracted from red and purple seaweeds, consisting of a mixture of polysaccharides. It is used as a thickening or emulsifying agent in food products.

Hence, the correct answer is option: 'B'.

Relevant Questions