Q29 / 180 · AIIMS 2002 · Botany

Elater mechanism for seed dispersal is exhibited by

  • A
    Riccia
  • B
    Dryopteris
  • C
    Funaria
  • Correct answer
    D
    Marchantia.

Solution

Marchantia is a liverwort. Its sporophyte contains elongated cells with spiral thickenings on its wall called elaters. These elaters are hygroscopic in nature. The resulting twisting movement helps in dispersal of spores.

Hence, the correct answer is option: 'D'.

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