661.
Bryophytes are dependent on water because
A
water is essential for fertilization for their homosporous nature
B
water is essential for their vegetative propagation
C
the sperms can easily reach upto egg in the archegonium
D
archegonium has to remain filled with water for fertilization
Answer :
the sperms can easily reach upto egg in the archegonium
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662.
Leafy gametophyte occur in
A
Liver worts
B
Horn worts
C
Mosses
D
Fern
Answer :
Mosses
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663.
Spore of Funaria represents
A
Gametes
B
Beginning of gametophyte
C
Beginning of sporophyte
D
None of the above
Answer :
Beginning of gametophyte
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664.
Which of the following is true about bryophytes?
A
They possess archegonia
B
They contain chloroplast
C
They are thalloid
D
All of these
Answer :
All of these
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665.
Gymnosperm produce seed in
A
Pericarp
B
Cones
C
Flowers
D
Ovary
Answer :
Cones
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666.
Mot advance group of Algae is
A
Myxophyta
B
Chlorophyta
C
Xanthophyta
D
Phaeophyta
Answer :
Chlorophyta
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667.
The sprophyte of Funaria always begins development within the
A
Antheridium
B
Archegonium
C
Capsule
D
Protonema
Answer :
Archegonium
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668.
Cycas and ferns resemble each other in possessing
A
Seeds
B
Ovules
C
Pollen tube
D
Circinate ptyaxis and rementa
Answer :
Circinate ptyaxis and rementa
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669.
Riccia assigned to Hapaticopsida because
A
Its sporophyte is semi parasite
B
It is non vascular
C
It has jacketed sex organ
D
It is liver wort
Answer :
It is liver wort
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670.
In Ulotrhix, Zygote in initially
A
Uniflagellate
B
Biflagellate
C
Quadriflagellate
D
Aflagellate
Answer :
Quadriflagellate
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