How do pteridophytes reproduce sexually?

How do pteridophytes reproduce sexually?
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1 Answer

Answer :

Prothallus an independent structure produces male and female gametes called antheridia

and archegonia. The gametes fuse and forms zygote developing into a sporophyte.
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The independent structure developed in pteridophytes which produces male and female gametes is

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Read the following five statements (A to E) and select the option with all correct statements. A. Mosses and lichens are the first organisms to colonise a bare rock. B. Selaginella is a homosporous pteridophyte. C. Coralloid roots in Cycas have VAM. D. Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. E. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte. (a) A, D and E (b) B, C and E (c) A, C and D (d) B, C and D

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Pteridophytes differ from mosses/bryophytes in possessing (a) independent gametophyte (b) well developed vascular system (c) archegonia (d) flagellate spermatozoids.

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Pteridophytes differ from bryophytes and thallophytes in having (a) vascular tissues (b) motile antherozoids (c) archegonia (d) alternation of generations

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Dichotomous branching is found in (a) liverworts (b) pteridophytes (c) fern (d) Funaria.

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In bryophytes and pteridophytes, transport of male gametes requires (a) birds (b) water (c) wind (d) insects

Description : In bryophytes and pteridophytes, transport of male gametes requires (a) birds (b) water (c) wind (d) insects

Last Answer : (b) water

Absorptive heterotrophic nutrition is exhibited by (a) algae (b) fungi (c) bryophytes (d) pteridophytes.

Description : Absorptive heterotrophic nutrition is exhibited by (a) algae (b) fungi (c) bryophytes (d) pteridophytes.

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Genus Cordaites is an extinct plant from category of a. Conifers b. Cycads c. Angiosperms d. Pteridophytes

Description : Genus Cordaites is an extinct plant from category of a. Conifers b. Cycads c. Angiosperms d. Pteridophytes

Last Answer : a. Conifers