The sporophytes bear sporangia that are subtended by leaf-like appendages called sporophylls.
BIOXI03: PLANT KINGDOM
332210
In which of the following distinct, independent gametophytic and sporophytic generations are found in their life cycle? A. Adiantum B. Psilotum C. Selaginella
1 A and B only
2 B and C only
3 A and C only
4 A, B and C
Explanation:
In the life cycle of all pteridophytes like Adiantum , Psilotum and Selaginella , both gametophyte and sporophyte are distinct, independent and multicellular.
BIOXI03: PLANT KINGDOM
332211
Prothallus of the pteridophyta produces
1 Gametes
2 Spores
3 Both 1 and 2
4 Gametophyte
Explanation:
Prothallus is the gametophyte in pteridophytes. It produces gametes.
BIOXI03: PLANT KINGDOM
332212
A Prothallus is
1 A structure in pteridophytes formed beforethe thallus develops
2 A sporophytic free living structure formed in pteridophytes
3 A gametophyte free living structure formed in pteridophytes
4 A primitive structure formed after fertilization in pteridophytes
Explanation:
Prothallus is short lived gametophyte of homosporous pteridophytes.
NCERT Exempler
BIOXI03: PLANT KINGDOM
332213
Prothallus is the sporophyte of
1 Bryophytes
2 Algae
3 Pteridophyte
4 None of the above
Explanation:
Prothallus is a gametophyte that develops from a spore.
The sporophytes bear sporangia that are subtended by leaf-like appendages called sporophylls.
BIOXI03: PLANT KINGDOM
332210
In which of the following distinct, independent gametophytic and sporophytic generations are found in their life cycle? A. Adiantum B. Psilotum C. Selaginella
1 A and B only
2 B and C only
3 A and C only
4 A, B and C
Explanation:
In the life cycle of all pteridophytes like Adiantum , Psilotum and Selaginella , both gametophyte and sporophyte are distinct, independent and multicellular.
BIOXI03: PLANT KINGDOM
332211
Prothallus of the pteridophyta produces
1 Gametes
2 Spores
3 Both 1 and 2
4 Gametophyte
Explanation:
Prothallus is the gametophyte in pteridophytes. It produces gametes.
BIOXI03: PLANT KINGDOM
332212
A Prothallus is
1 A structure in pteridophytes formed beforethe thallus develops
2 A sporophytic free living structure formed in pteridophytes
3 A gametophyte free living structure formed in pteridophytes
4 A primitive structure formed after fertilization in pteridophytes
Explanation:
Prothallus is short lived gametophyte of homosporous pteridophytes.
NCERT Exempler
BIOXI03: PLANT KINGDOM
332213
Prothallus is the sporophyte of
1 Bryophytes
2 Algae
3 Pteridophyte
4 None of the above
Explanation:
Prothallus is a gametophyte that develops from a spore.
The sporophytes bear sporangia that are subtended by leaf-like appendages called sporophylls.
BIOXI03: PLANT KINGDOM
332210
In which of the following distinct, independent gametophytic and sporophytic generations are found in their life cycle? A. Adiantum B. Psilotum C. Selaginella
1 A and B only
2 B and C only
3 A and C only
4 A, B and C
Explanation:
In the life cycle of all pteridophytes like Adiantum , Psilotum and Selaginella , both gametophyte and sporophyte are distinct, independent and multicellular.
BIOXI03: PLANT KINGDOM
332211
Prothallus of the pteridophyta produces
1 Gametes
2 Spores
3 Both 1 and 2
4 Gametophyte
Explanation:
Prothallus is the gametophyte in pteridophytes. It produces gametes.
BIOXI03: PLANT KINGDOM
332212
A Prothallus is
1 A structure in pteridophytes formed beforethe thallus develops
2 A sporophytic free living structure formed in pteridophytes
3 A gametophyte free living structure formed in pteridophytes
4 A primitive structure formed after fertilization in pteridophytes
Explanation:
Prothallus is short lived gametophyte of homosporous pteridophytes.
NCERT Exempler
BIOXI03: PLANT KINGDOM
332213
Prothallus is the sporophyte of
1 Bryophytes
2 Algae
3 Pteridophyte
4 None of the above
Explanation:
Prothallus is a gametophyte that develops from a spore.
The sporophytes bear sporangia that are subtended by leaf-like appendages called sporophylls.
BIOXI03: PLANT KINGDOM
332210
In which of the following distinct, independent gametophytic and sporophytic generations are found in their life cycle? A. Adiantum B. Psilotum C. Selaginella
1 A and B only
2 B and C only
3 A and C only
4 A, B and C
Explanation:
In the life cycle of all pteridophytes like Adiantum , Psilotum and Selaginella , both gametophyte and sporophyte are distinct, independent and multicellular.
BIOXI03: PLANT KINGDOM
332211
Prothallus of the pteridophyta produces
1 Gametes
2 Spores
3 Both 1 and 2
4 Gametophyte
Explanation:
Prothallus is the gametophyte in pteridophytes. It produces gametes.
BIOXI03: PLANT KINGDOM
332212
A Prothallus is
1 A structure in pteridophytes formed beforethe thallus develops
2 A sporophytic free living structure formed in pteridophytes
3 A gametophyte free living structure formed in pteridophytes
4 A primitive structure formed after fertilization in pteridophytes
Explanation:
Prothallus is short lived gametophyte of homosporous pteridophytes.
NCERT Exempler
BIOXI03: PLANT KINGDOM
332213
Prothallus is the sporophyte of
1 Bryophytes
2 Algae
3 Pteridophyte
4 None of the above
Explanation:
Prothallus is a gametophyte that develops from a spore.
The sporophytes bear sporangia that are subtended by leaf-like appendages called sporophylls.
BIOXI03: PLANT KINGDOM
332210
In which of the following distinct, independent gametophytic and sporophytic generations are found in their life cycle? A. Adiantum B. Psilotum C. Selaginella
1 A and B only
2 B and C only
3 A and C only
4 A, B and C
Explanation:
In the life cycle of all pteridophytes like Adiantum , Psilotum and Selaginella , both gametophyte and sporophyte are distinct, independent and multicellular.
BIOXI03: PLANT KINGDOM
332211
Prothallus of the pteridophyta produces
1 Gametes
2 Spores
3 Both 1 and 2
4 Gametophyte
Explanation:
Prothallus is the gametophyte in pteridophytes. It produces gametes.
BIOXI03: PLANT KINGDOM
332212
A Prothallus is
1 A structure in pteridophytes formed beforethe thallus develops
2 A sporophytic free living structure formed in pteridophytes
3 A gametophyte free living structure formed in pteridophytes
4 A primitive structure formed after fertilization in pteridophytes
Explanation:
Prothallus is short lived gametophyte of homosporous pteridophytes.
NCERT Exempler
BIOXI03: PLANT KINGDOM
332213
Prothallus is the sporophyte of
1 Bryophytes
2 Algae
3 Pteridophyte
4 None of the above
Explanation:
Prothallus is a gametophyte that develops from a spore.
