Antheridia and archegonia are most reduced in
A) Bryophyta
B) Selaginella
C) Ferns
D) Pinus
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Answer:
The right answer is D) Pinus.
Explanation:
- Antheridia and archegonia are most reduced in Pinus.
- Archegonia functions as a site of fusion (ie, fertilization) of male and female gametes in lower plants.
- An organ which produces and releases male gametes is called as Anteridium.
- Male sex organs are called Antheridia.
- Antheridia has a club-shaped body and stem and produces sperm or male gametes.
- The sex organs of female are called archegonia.
- Archegonia is a flask-shaped female sex organ with well-defined vents and neck.
- The center surrounds the ventral canal cells (VCC) and the egg, and the neck surrounds a variable number of cervical cells (NCC).
- Archegonia and Antheridia do not exist in angiosperms.
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