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Which one of the following is a correct statement?

  1. A
    Origin of seed habit can be traced in pteridophytes
  2. B
    Pteridophyte gametophyte has a protonemal and leafy stage
  3. C
    In gymnosperms female gametophyte is free-living
  4. D
    Antheridiophores and archegoniophores are present in pteridophytes

Solution & Step-by-step Explanation

1. Correct: The development of heterospory and the retention of the female gametophyte within the parent sporophyte in certain pteridophytes (like Selaginella) is considered the precursor to the seed habit.2. Protonemal/leafy stages are characteristic of mosses (Bryophytes).3. In gymnosperms, the gametophyte is dependent.4. These structures are characteristic of Marchantia (Bryophyte).

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Which one of the following is a correct statement?
A
Origin of seed habit can be traced in pteridophytes
B
Pteridophyte gametophyte has a protonemal and leafy stage
C
In gymnosperms female gametophyte is free-living
D
Antheridiophores and archegoniophores are present in pteridophytes

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Plant KingdomPteridophytesGymnosperms

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