731.
Isogamous condition with non-flagellated gametes is found in:
A
Spirogyra
B
Volvox
C
Fucus
D
Chlamydomonas
Answer :
Spirogyra
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732.
Spirogyra is more advanced than Ulothrix because it has
A
Internal fertilization
B
Multicellular thallus
C
Absence of hold fast
D
Heterothallic thallus
Answer :
Internal fertilization
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733.
A well developed archegonium with neck consisting of 4-6 rows of neck canal cells, characterises
A
Gymnosperms only
B
Bryophytes and pteridophytes
C
Pteridophytes and gymnosperms
D
Gymnosperms and flowering plants
Answer :
Bryophytes and pteridophytes
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734.
Lithophytic species of Ulothrix is
A
U.implexa
B
U.flacca
C
U.zonata
D
U.flaccida
Answer :
U.implexa
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735.
Which of the following statement in true regarding the archegonium of ferm
A
There are four neck canal cells
B
There are three neck canal cells
C
There is one neck canal cell with one nucleus
D
There is one neck canal cell with two nuclei
Answer :
There is one neck canal cell with two nuclei
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736.
The antherozoids of Funaria are
A
aciliated
B
flagellated
C
multiciliated
D
monociliated
Answer :
flagellated
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737.
The peristome in Funaria is consists of
A
8 teeth
B
16 teeth
C
32 teeth
D
64 teeth
Answer :
32 teeth
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738.
Where do air chambers occur in Riccia
A
Storage region
B
Assimiltory zone
C
A and B both
D
Below the lower epidermis
Answer :
Assimiltory zone
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739.
Moss peristome takes part in
A
spore dispersal
B
photosynthesis
C
protection
D
absorption
Answer :
spore dispersal
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740.
Protective structure of fern sorus is
A
Ramenta
B
Indusium
C
Tapetum
D
Stomium
Answer :
Indusium
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