421.
A feature is common to gametophytes and sprophytes of Moss and Pteridium
A
Independent existence
B
Unbranched habit
C
Dichotomous branching
D
Autotrophy
Answer :
Autotrophy
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422.
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
(B), (C) and (D)
B
(A), (D) and (E)
C
(B), (C) and (E)
D
(A), (C) and (D)
Answer :
(A), (D) and (E)
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423.
Pine wood comprise of
A
Vessels only
B
Tracheids only
C
Both equally
D
More vessels & less tracheids
Answer :
Tracheids only
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424.
Ulothrix filaments produce
A
isogametes
B
anisogametes
C
heterogametes
D
basidiospores
Answer :
isogametes
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425.
Cone bearing pteridophyta are
A
Lycopsida and Psilopsida
B
Filicinae and Lycopsida
C
Filicinae and Lycopsida
D
Lycopsida and Sphenopsida
Answer :
Lycopsida and Sphenopsida
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426.
Ulothrix produces
A
Quadri flagellate macrozoopores
B
Biflagellate micro zoospers
C
Quadriflagellate micro zoospores
D
All the three types of zoopores states above
Answer :
All the three types of zoopores states above
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427.
Dichotomous branching is found in
A
Fern
B
Funaria
C
Liverworts
D
Marchantia
Answer :
Marchantia
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428.
The plant used s an alternative of cotton
A
Sphagnum
B
Funaria
C
Riccia
D
Andria
Answer :
Sphagnum
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429.
Which of following is heterosporous Pteridophyte
A
Lycopodium
B
Selaginella
C
Pteridium
D
Dryopterys
Answer :
Selaginella
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430.
The number of prothallial cell in male gametophyte of Selaginella is
A
One
B
Two
C
Twelve
D
Numerous
Answer :
One
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