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In Anthoceros, sex organs are
Option: 1
Terminal
Option: 2
Borne over dorsal surface of thallus
Option: 3
Embedded in gametophyte
Option: 4
Formed over gametophores
Answers (1)
Anthoceropsida:
- Members of Anthoceropsida are commonly called as Hornworts because their sporophyte emerges out of the gametophyte in the form of an elongated horn-like structure.
- The gametophyte is dorsiventral with unicellular rhizoids but without scales.
- Thallus of these bryophytes is generally associated with blue-green algae such as Nostoc.
- Vegetative reproduction occurs through fragmentation.
- Antheridia and Archegonia are formed singly or in groups on the dorsal side in special chambers.
- Sporophyte has foot, intercalary meristematic zone and capsule.
- Sporophyte is partially parasitic on gametophyte
- Capsule possess columella and Pseudoelaters.
- Pseudo elaters help in spore dispersal.
- Ex: Anthoceros, Notothylas
In Anthoceros, sex organs are embedded in gametophyte
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