511.
A bryophytes differs from Pteridophytes in
A
Presence of archegonia
B
Lack of vascular tissues
C
Presence of swimming antherozoid
D
Independent gametophyte
Answer :
Lack of vascular tissues
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512.
The "endosperm" of a gymnosperm represent
A
Gametophytic tissue
B
Sprophytic tissue
C
Tissue formed by double fertilization
D
Polyploidy tissue
Answer :
Gametophytic tissue
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513.
Pinus is
A
Deciduous
B
Dioecious
C
Monoecious
D
None of the above
Answer :
Monoecious
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514.
A plant having seeds but lacking flowers and fruits belongs to
A
Pteridophytes
B
Mosses
C
Ferns
D
Gymnosperms
Answer :
Gymnosperms
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515.
In which of the following zygote forms and diploid structure
A
Thallphyta
B
Bryophta
C
Algae
D
Fungi
Answer :
Bryophta
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516.
Which of the following plant form seed and have pollentube
A
Angiosperm
B
Pteridophytes
C
Gymnosperm
D
Siphonogama
Answer :
Siphonogama
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517.
All Gymnosperms are
A
Heterosporous
B
Arborescent
C
Seed plants
D
All of the above
Answer :
All of the above
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518.
Male gametes of Cycas, largest in plant kingdom is
A
Non motile
B
Biflagellate
C
Multiciliate
D
Uniflagellae
Answer :
Multiciliate
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519.
Gametes are non-motile in
A
Blue green Algae
B
Red Algae
C
A and B both
D
Green Algae
Answer :
Red Algae
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520.
In which of the following pairs of geneta sporocarps are present
A
Marsilea and Salvinia
B
Marsilea and Isoetes
C
Isoetes and Salvinia
D
Marsilea and Lycopodium
Answer :
Marsilea and Salvinia
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