21.
Which of the following is not common in Funaria & Pteridium
A
Root
B
Archegonia
C
Embryo
D
Motile sperms
Answer :
Root
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22.
Which is the epiphytic species of Selaginella
A
S.lepidophylla
B
S.oregana
C
S.kraussiana
D
S.rupestris
Answer :
S.oregana
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23.
The dehiscence of moss capsule take place by the rupture of the following
A
Operculum
B
Annulus
C
Calyptra
D
None of the above
Answer :
Annulus
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24.
In Pteridium the archegonia are present
A
Near rhizoid on lower surface
B
Near anterior notch on lower surface
C
Distributed on whole surface
D
On posterior end of prothallus
Answer :
Near anterior notch on lower surface
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25.
On germination each zygospore of Spirogyra gives rise to
A
Four plants
B
Three plants
C
Two plants
D
One plant
Answer :
One plant
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26.
Ulotrhix is
A
A colonial algae
B
An anchored & branched algae
C
An attached filamentous algae
D
A free floating algae
Answer :
An attached filamentous algae
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27.
In Ricca the shape of antheridium is
A
Oval
B
Spherical
C
Pear-shaped
D
Flask-shaped
Answer :
Oval
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28.
Fossilised fuel obtained from bog is
A
Tar
B
Peat
C
Bio-gas
D
Petrol
Answer :
Peat
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29.
The gametangia of Riccia are present on
A
Dorsal side
B
Ventral side
C
Dorsal surface in median groove
D
Any where in the thallus
Answer :
Dorsal surface in median groove
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30.
Sperms of both Funaria and Pteris were released together near the archegonia of Pteris. Only its sperms enter the archegonia as
A
Pteris archegonia repel Funaria sperms
B
Funaria sperms get killed by Pteris sperms
C
Funaria sperms are less mobile
D
Pteris archegonia release chemical to attract its sperms
Answer :
Pteris archegonia release chemical to attract its sperms
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