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Question

Similarity between pteridophytes and gymnosperms in in

A
seed
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B
fruit
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C
archegonia
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D
independent gametophytes
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Solution

The correct option is C archegonia
Archegonium, the female reproductive organ in pteridophytes and mosses. An archegonium also occurs in some gymnopsperms, e.g., cycads and conifers.

Pteridophytes do not produce flowers nor seeds, they are sometimes referred to as "cryptogams", meaning that their means of reproduction is hidden.
In pteridophytes gameotphyte and sporophyte are two separate plants (two independent plnats). Whereas in gymnosperms gametophyte is completely dependent on sporophyte and they are physically connected.

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