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NEETBotanyPlant Kingdom

In which of the following pairs of plants do the male and female gametophytes NOT have an independent free-living existence?

Options

  1. ADryopteris and Pteris
  2. BPinus and Cycas
  3. CSphagnum and Marchantia
  4. DPolytrichum and Cycas

Correct answer

B. Pinus and Cycas

Step-by-step solution

In bryophytes (such as Sphagnum, Marchantia, and Polytrichum) and pteridophytes (such as Dryopteris and Pteris), the gametophytes have an independent, free-living existence. In gymnosperms (such as Pinus and Cycas) and angiosperms, the male and female gametophytes do not have an independent free-living existence. They remain within the sporangia retained on the sporophytes. Answer: Pinus and Cycas

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