Outside the thallus of Marchantia there are special structures called__________?
Correct answer: B. rhizoids
- A. stem tuber
- B. rhizoids
- C. sporangium
- D. none of these
Explanation
Marchantia is a thalloid liverwort whose underside bears rhizoids that anchor the thallus and help absorb water. Sporangia are reproductive structures, not the hair-like anchoring structures found outside the thallus, so students may select them by confusing support with reproduction.
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