131.
What is the main function of foot of embryo in Selaginella
A
Fusion
B
Water absorption
C
Food absorption
D
None of the above
Answer :
Food absorption
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132.
Which of the following is not correctly matched
A
Heterocyst = N2 - fixation structure of B.G.A.
B
Hormogonia = Reproductive structure of B.G.A.
C
Floridean starch = Stored food of brown algae
D
Cyanophycean starch = Stored food of B.G.A
Answer :
Floridean starch = Stored food of brown algae
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133.
The 13-called male gametophyte of Selaginella has
A
10 cells of the antheridium +3 prothallial cells
B
12 cells of the antheridium +1 prothallial cell
C
9 cell of the antheridium +4 prothallial cells
D
08 cells of the antheridium +5 prothallial cells
Answer :
12 cells of the antheridium +1 prothallial cell
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134.
How many mating types occur in Ulothrix
A
One
B
Two
C
Three
D
Many
Answer :
Two
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135.
Flagellated male gametes are present in all the three of which one of the following sets?
A
Zygnema, Saprolegnia and Hydrilla
B
Fucus, Marsilea and Calotropis
C
Riccia, Dryopteris and Cycas
D
Anthoceros, Funaria and Spirogyra
Answer :
Riccia, Dryopteris and Cycas
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136.
Which statement is normally true for Pteridium
A
Gametophyte depends upon Sporophyte
B
Mature sporophyte depends upon gametophyte
C
Young sporophyte depends upon gametophyte
D
None of the above
Answer :
Young sporophyte depends upon gametophyte
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137.
Embryonal leaves of Pteridium are
A
Simple
B
Bipinante-Peripinnate
C
Bipinnate-Imperipinante
D
Unipinnate
Answer :
Simple
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138.
Which of the following statements is not correct for Pteridium
A
Young sprophyte is parasite of gametophyte
B
Free alternation of generation
C
Exhibits a step in evolution of seed habit
D
Gametophyte is parasite on sporophyte
Answer :
Gametophyte is parasite on sporophyte
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139.
Leafy gametophyte occur in
A
Angiosperm
B
Pteridophyta
C
Bryophyta
D
Gymnosperms
Answer :
Bryophyta
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140.
The "walking" fern is so named because
A
it is dispersed through the agency of walking animals
B
it propagates vegetatively by its leaf tips
C
it knows how to walk by itself
D
its spores are able to walk
Answer :
it propagates vegetatively by its leaf tips
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