Algae: Classification and Characteristics · NCERT Biology

The plant body of a typical brown alga consists of a holdfast, a stalk called the ______ and a leaf-like photosynthetic organ called the ______.

  1. Stipe, frond
  2. Seta, capsule
  3. Radicle, plumule
  4. Rhizoid, thallus
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Correct answer: Stipe, frond

The thallus of large brown algae like kelps is differentiated into a holdfast (attachment), a stipe (stalk), and a frond (photosynthetic lamina).

Difficulty: Medium Question 8 of 20

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