111.
In Ginkgoales the male gametes are
A
Motile
B
Non-motile
C
Amoeboid
D
Absent
Answer :
Motile
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112.
The mode of pollination in gymnosperm is
A
Anemophily
B
Entomphily
C
Hydrophily
D
Any of the above
Answer :
Anemophily
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113.
Structures that produce gametes in prothallus are
A
Anther and archegonia
B
Ascogonium and anther
C
Antheridia and archegonia
D
None of the above
Answer :
Antheridia and archegonia
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114.
The sex organs of Pteridium which develops on ventral surface of prothalli & intermigled with rhizoids are
A
Antheridia
B
Archegonia
C
Sorus
D
Sprorangia
Answer :
Antheridia
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115.
Which types of leaf is found in Selaginella
A
Aligulate and microphyllous
B
Ligulate and megaphyllous
C
Ligulate and microphyllous
D
Aligulate and megaphyllous
Answer :
Ligulate and microphyllous
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116.
Most specialised (much modifies) sporophylls found in
A
Pteridophyta
B
Gymnosperms
C
Angiopsperms
D
Spermtophyta
Answer :
Angiopsperms
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117.
Gymnosperms differ from pteridophytes in having
A
Presence of tracheids
B
Presence of embryo
C
Presence of ovule
D
Companian cell
Answer :
Presence of ovule
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118.
The first cell of sporophytic generation in bryophyta is
A
Spore
B
Spore mother cell
C
Zygote
D
Protonema
Answer :
Zygote
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119.
In which of the following groups would you place a plan which produces spores and embryos but lacks seeds and vascular tissue
A
Bryophytes
B
Pteridophytes
C
Gymnosperms
D
Fungi
Answer :
Bryophytes
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120.
The zygospore of Spirogyra produces
A
2-zoospores
B
4-zoopsores
C
2-4 zoospores
D
None of the above
Answer :
None of the above
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