Quantrex Quantrex AcademyJEE · NEET · NDA PYQs with solutions Open app
NTA Abhyas NEET2020BotanyPlant KingdomPractice

The _________(i)________ vary in colour from olive green to various shades of brown depending upon the amount _________(ii)_______

Options

  1. A(i) red algae (ii) phycobilins
  2. B(i) green algae (ii) chlorophyll
  3. C(i) brown algae (ii) chlorophyll
  4. D(i) brown algae (ii) carotenoids

Correct answer

D. (i) brown algae (ii) carotenoids

Step-by-step solution

The brown algae mainly present in seawater/marine water having chlorophyll a, c and fucoxanthin. Brown shades of brown algae depend upon the amount of xanthophyll (fucoxanthin) which is a type of carotenoid.

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 NTA Abhyas NEET PYQs