Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
AIIMS 2015
Exam
AIIMS
Year
2015
Subject
Botany
Chapter
Plant Kingdom

AIIMS 2015 · Botany · Plant Kingdom

Which of the following groups of algae produces algin?

Which of the following groups of algae produces algin?

Options

  1. APhaeophyceae and Chlorophyceae
  2. BRhodophyceae and Phaeophyceae
  3. CChlorophyceae and Rhodophyceae
  4. DPhaeophyceae only

Correct answer

D. Phaeophyceae only

Step-by-step solution

Alginic acid (or algin or alginate) is an anionic polysaccharide distributed widely in the cell walls of many brown algae (Phaeophyceae). It is a phycocolloid which is obtained commercially from Laminaria, Macrocystis, Nereocystis, Fucus, Sargassum etc.
Practice Plant Kingdom on Quantrex Academy →

More from Plant Kingdom

Sphenopsida class belongs to __________. NEET 2026In which one of the following, the ovules are not enclosed by an ovary wall and remain… NEET 2026Given below are two statements : Statement I : In gymnosperms, the male and female… NEET 2026Which one of the following is the characteristic feature of gymnosperms? NEET 2025In bryophytes, the gemmae help in which one of the following? NEET 2025The correct sequence of events in the life cycle of bryophytes is A. Fusion of… NEET 2025Given below are the stages in the life cycle of pteridophytes. Arrange the following… NEET 2025Match List-I with List-II. List-I List-II A. Pteridophyte (I) Salvia B. Bryophyte (II)… NEET 2025 Full Plant Kingdom list All AIIMS PYQs