Where are pteridophytes found? -Biology

Where are pteridophytes found? -Biology
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Most Pteridophytes are terrestrial and grows in moist and shady places while some flourish well in open dry places. Pteridophyta do not produce seeds but they produce spores. Spores are produced by leaves, usually in under surface of leaves.
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Which one of the following is a correct statement? (a) Pteridophyte gametophyte has a protonemal and leafy stage. (b) In gymnosperms, female gametophyte is free- living. (c) Antheridiophores and archegoniophores are present in pteridophytes. (d) Origin of seed habit can be traced in pteridophytes.

Description : Which one of the following is a correct statement? (a) Pteridophyte gametophyte has a protonemal and leafy stage. (b) In gymnosperms, female gametophyte is free- living. (c) Antheridiophores and ... are present in pteridophytes. (d) Origin of seed habit can be traced in pteridophytes.

Last Answer : (d) Origin of seed habit can be traced in pteridophytes.

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

Description : 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 ... D and E (b) B, C and E (c) A, C and D (d) B, C and D

Last Answer : (a) A, D and E

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

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

Last Answer : (b) well developed vascular system

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

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

Last Answer : (a) vascular tissues

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.

Last Answer : (b) fungi

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

85. Which one of the following is a correct statement ? (1) Origin of seed habit can be traced in pteridophytes (2) Pteridophyte gametophyte has a protonemal and leafy stage (3) In gymnosperms female gametophyte is free-living (4) Antheridiophores and archegoniophores are present in pteridophytes

Description : 85. Which one of the following is a correct statement ? (1) Origin of seed habit can be traced in pteridophytes (2) Pteridophyte gametophyte has a protonemal and leafy stage (3) In gymnosperms female gametophyte is free-living (4) Antheridiophores and archegoniophores are present in pteridophytes

Last Answer : Origin of seed habit can be traced in pteridophytes

Distinguish between homosporous and heterosporous condition in pteridophytes.

Description : Distinguish between homosporous and heterosporous condition in pteridophytes. 

Last Answer : Ans: Majority of pteridophytes are homosporous.All spores produced od similar type. Example: Psilotum Heterosporous pteridophytes produce macro and microspores. Example: Selaginella. 

Which phase predominent in the life cycle of Pteridophytes?

Description : Which phase predominent in the life cycle of Pteridophytes?

Last Answer : Ans: Diploid Sporophyte.