211.
Which cell of Ulothrix does not divide
A
Rhizoidal cell
B
Apical cell
C
A and B both
D
None of the above
Answer :
Rhizoidal cell
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212.
Which combination of characteristics is correct for a fern sproangium
A
Sessile, Unicellular, non-jacketed
B
Stalked, unicellular, non jacketed
C
Sessile, multicellular, non jacketed
D
Stalked, multicellular, jacketed
Answer :
Stalked, multicellular, jacketed
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213.
The plant group that produces spores and embryo but lacks vascular tissues and seeds is
A
Pteridophyta
B
Rhodophyta
C
Bryophyta
D
Phaeophyta
Answer :
Bryophyta
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214.
The bryophyte which can absorb water unto18 times its weight
A
Anthoceros
B
Sphagnum
C
Davsonia
D
Machanita
Answer :
Sphagnum
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215.
Which type of algae are helpful in nitrogen economy
A
Green algae
B
Blue green algae
C
Red algae
D
Brown algae
Answer :
Blue green algae
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216.
Spirogyra has a
A
Haplontic life cycle
B
Hapolidiplontic life cycle
C
Diplontic life cycle
D
Diplohaplonitc life cycle
Answer :
Haplontic life cycle
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217.
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature a different times. As a result
A
there is high degree of sterility
B
one can conclude that the plant is apomictic
C
self-fertilization is prevented
D
there is no change in success rate of fertilization
Answer :
self-fertilization is prevented
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218.
Spore dissemination in some liverworts is aided by
A
indusium
B
calyptra
C
peristome teeth
D
elaters
Answer :
elaters
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219.
Which of the following best explain the evolution of sexual reproduction
A
Chlamydomonas
B
Ulothrix
C
Puccinia
D
Albugo
Answer :
Chlamydomonas
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220.
The male gametes in Pteridium are
A
Non motile
B
Motile, biflagellate
C
Motile, multi flagellated
D
Non-motile, multi nucleate
Answer :
Motile, multi flagellated
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