Pteridophytes
Trending Questions
Q. Identify the correct sequence of the stages in xerarch succession.
a. Lichen
b. Bigger plants
c. Forest
d. Bryophytes
a. Lichen
b. Bigger plants
c. Forest
d. Bryophytes
- b, a , d, c
- a, b, d, c
- a, b, c, d
- a, d, b, c
Q. Similarity between pteridophytes and gymnosperms in in
- seed
- fruit
- archegonia
- independent gametophytes
Q. Gametophyte and sporophyte are free-living in
- Funaria
- Pteris
- Marchantia
- Polytrichum
Q. The gametophyte of pteridophytes is
- inconspicuous
- small
- mostly photosynthetic
- all of the above
Q.
A prothallus is
(a) a structure in pteridophytes formed before the thallus develops
(b) a sporophytic free living structure formed in pteridophytes
(c) a gametophyte free living structure formed in pteridophytes
(d) a primitive structure formed after fertilisation in pteridophytes
Q.
What is a tracheophyte?
Q. Circinate vernation is seen in:
- Funaria
- Algae
- Ferns
- Angiosperms
Q. Choose the incorrect statement regarding pteridophytes.
- Pteridophytes are frequently grown as ornamentals and also used for medicinal purposes
- Sporophyte is dominant phase
- Prothallus is unicellular
- Gametophyte is independent
Q. Which of the following statement(s) is/are correct about pteridophytes?
(i) The main plant body is a sporophyte which is differentiated into true roots, stem and leaves.
(ii) The leaves are small (microphylls) as in ferns or large (macrophylls) as in Selaginella.
(iii) Genera like Selaginella and Salvinia which produce two kinds of spores–macro (large) and micro (small) spores, are known as heterospores.
(iv) Common examples are Funaria, Polytrichum and Sphagnum.
(i) The main plant body is a sporophyte which is differentiated into true roots, stem and leaves.
(ii) The leaves are small (microphylls) as in ferns or large (macrophylls) as in Selaginella.
(iii) Genera like Selaginella and Salvinia which produce two kinds of spores–macro (large) and micro (small) spores, are known as heterospores.
(iv) Common examples are Funaria, Polytrichum and Sphagnum.
- Both (ii) and (iii)
- Both (i) and (ii)
- Both (i) and (iii)
- All of these
Q. One feature of pteridophytes which is not found in any other land plants is?
- Presence of antheridium
- Formation of seeds
- Multicellular independent sporophyte and gametophyte
- Presence of true roots, stems and leaves
Q.
Which one is a homosporous pteridophyte?
Q. Which among the following is a hydrophytic pteridophyte?
- Lycopodium
- Equisetum
- Azolla
- Selaginella
Q. Pteridophytes differ from bryophytes in
- having antheridium and archegonium
- being terrestrial
- lacking vascular tissues
- having independent sporophyte
Q. Prothallus of Adiantum is
- comma shaped
- heart shaped
- rod shaped
- spherical shaped
Q.
Ferns are better adapted to terrestrial mode of life. Give reasons.
Q. The main plant body in pteridophytes is the sporophyte
- True
- False
Q.
Sex organs in Funaria develop:
Outside capsule
In protonema
At the tip of gametophores
In the axil of the leaf
Q.
Name few club mosses.
Q.
The compound leaves are found in many ferns.
- True
- False
Q. Gametophyte and sporophyte are free-living in
- Funaria
- Pteris
- Marchantia
- Polytrichum
Q.
Are Brackets basidiomycetes fungi?
Q. Which division do ferns belongs to?
Q. Which of the following plant show origin of heterospory?
- Pteridophyte
- Bryophyte
- Gymnosperm
- Angiosperm
Q. Circinate vernation is seen in:
- Funaria
- Algae
- Ferns
- Angiosperms
Q.
Do Ferns have flowers or cones?
Q. Pteridophytes are intermediates between
- bryophytes and gymnosperms
- thallophytes and bryophytes
- bryophytes and angiosperms
- gymnosperms and angiosperms
Q. Ferns have horizontal stems called
- rhizoids
- rhizomes
- fronds
- rhizophore
Q. Which one of the following is not common between Marchantia and Selaginella?
- Embryo
- Motile sperms
- Roots
- Antheridium
Q.
Name a walking fern.
Q.
In ferns, the sex organs are produced on
Protonema
Sporophyll
Sporangium
Prothallus