371.
Flagellated male gametes re present in all the three of which one of the following sets
A
Anthoceros, Funaria and Spirogyra
B
Zygnema, Saprolegnia and Hydrilla
C
Fucus, Marsilea and Calotropis
D
Riccia, Dryoptres and Cycas
Answer :
Riccia, Dryoptres and Cycas
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372.
In cycas the microsporangia are born on which side of microsporophyll
A
Adaxial
B
Abaxial
C
Lateral
D
Terminal
Answer :
Abaxial
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373.
Multiclicate male gametes are found in
A
Pinus
B
Cycas
C
Gnetum
D
Mango
Answer :
Cycas
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374.
The dominant phase in fern plant is
A
Spore
B
Sporophyte
C
Gametophyte
D
Prothallus
Answer :
Sporophyte
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375.
How many prothallial cell/s/is/ are found in made gametophyte of Selaginella
A
1
B
2
C
4
D
3
Answer :
1
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376.
The development of a sporophyte from moss gametophyte without gametes formation is called
A
Apospory
B
Prthenogenesius
C
Apogamy
D
None of the above
Answer :
Apogamy
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377.
In chlorophyta the mode of sexual reproduction is
A
Isogamy
B
Anisogamy
C
Oogamy
D
Isogamy, Anisogamy and oogamy
Answer :
Isogamy, Anisogamy and oogamy
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378.
Brown algae is characterised by the presence of
A
phycocyanin
B
phycoerythrin
C
fucoxanthin
D
haematochrome
Answer :
fucoxanthin
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379.
Pigments present in chloroplast of Ulothrix
A
Chlrophyll a, ch-b, fucoxanthin β-carotene
B
Ch-a, Ch-b, CH-C phycocyanin, C-phyceorythrin
C
Ch-a, Ch-b, β-carotene and xanthophyll
D
Ch-a, Ch-b r-phycocynanine r-phyceorythrin
Answer :
Ch-a, Ch-b, β-carotene and xanthophyll
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380.
In which of the following elaters are found
A
Angiosperms
B
Bryopyta
C
Algae
D
Bacteria
Answer :
Bryopyta
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