171.
Micro zoospores in Ulothrix are
A
Biflagellate
B
Quadri flagelalte
C
A and B both
D
Multiflagellate
Answer :
A and B both
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172.
Bryophytes comprise
A
sporophyte of longer duration
B
dominant phase of sporophyte which is parasitic
C
dominant phase of gametophyte which produces spores
D
small sporophyte phase and generally parasitic on gametophyte
Answer :
small sporophyte phase and generally parasitic on gametophyte
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173.
Gametophytes of pteridophytes re
A
Short lived, Free living and sexual organs bearing
B
Heart shaped, dependent on sprophyte and sex organ bearing
C
Fibre like dependent on sprophyte and sex organ bearing
D
Semi parasite of sporophyte
Answer :
Short lived, Free living and sexual organs bearing
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174.
Cell of clyptra and wall of sprogonium in Riccia are respecitvely
A
Diploid, Diploid
B
Haploid, Haploid
C
Triploid, Triploid
D
Haplooid, Diploid
Answer :
Haplooid, Diploid
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175.
Cycas has two cotyledons but not included in Angiosperms because of
A
Naked ovules
B
Seems like monocot
C
Circinate ptyxis
D
Compound leaves
Answer :
Naked ovules
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176.
In ferns, the permanent roots are
A
Tap root
B
Adventitious roots
C
Tuberous roots
D
Rhizome
Answer :
Adventitious roots
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177.
In gymnosperm "pollen drop" is
A
Pollen dropped by wind
B
Water drop
C
Secretion of nucelles
D
Pollinium
Answer :
Secretion of nucelles
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178.
In Spirogyra, Meiosis occurs
A
During conjugation
B
During vegetative reproduction
C
During formation of gametes
D
As the zygospores germinates
Answer :
As the zygospores germinates
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179.
Trabeculated endoermis found in
A
Funaria
B
Selaginella
C
Monocots
D
Dicots
Answer :
Selaginella
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180.
What is the function of the Ventral scales of Riccia
A
Fixation
B
Absorption & protection
C
Protection
D
Perennation & protection
Answer :
Absorption & protection
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