Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NEET2021BotanyPlant KingdomActual

Which of the following algae contains mannitol as reserve food material?

Options

  1. AEctocarpus
  2. BGracilaria
  3. CVolvox
  4. DUlothrix

Correct answer

A. Ectocarpus

Step-by-step solution

Laminarin and mannitol are the complex sugar alcohols found in the Phaeophyceae or brown algae members. Laminaria, Sargassum , Ectocarpus, Fucus are examples of marine brown algae which contain mannitol.

Practice Plant Kingdom on Quantrex Academy →

More from Plant Kingdom

Sphenopsida class belongs to __________. 2026In which one of the following, the ovules are not enclosed by an ovary wall and remain exposed ? 2026Given below are two statements : Statement I : In gymnosperms, the male and female gametophytes remain within the sporangia. Statement II : In gymnosperms, seeds are not covered. I 2026Which one of the following is the characteristic feature of gymnosperms? 2025In bryophytes, the gemmae help in which one of the following? 2025The correct sequence of events in the life cycle of bryophytes is A. Fusion of antherozoid with egg. B. Attachment of gametophyte to substratum. C. Reduction division to produce ha 2025Given below are the stages in the life cycle of pteridophytes. Arrange the following stages in the correct sequence. A. Prothallus stage B. Meiosis in spore mother cells C. Fertili 2025Match List-I with List-II. array |l|l|l|l| & List-I & & List-II A . & Pteridophyte & (I) & Salvia B. & Bryophyte & (II) & Ginkgo C. & Angiosperm & (III) & Polytrichum D. & Gymnospe 2025 Full Plant Kingdom list All NEET PYQs