161.
Which of the following plants are similar to amphibian animals in requirement of water for fertilization
A
Bryophta
B
Pteridophyta
C
Angiosperm
D
A and B both
Answer :
A and B both
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162.
The nature of movement of antherozoids in Riccia is
A
Phototactic
B
Chemotactic
C
Chemotrophic
D
Chemonostic
Answer :
Chemotactic
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163.
Scalariform conjugation occurs in
A
Ulothrix
B
Oedogonium
C
Spirogyra
D
Chlamydomonas
Answer :
Spirogyra
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164.
Motile stages are not found in life cycle of
A
Red Algae & green Algae
B
Red Algae & brown Algae
C
Red Algae & blue green Algae
D
Green Algae & brown Algae
Answer :
Red Algae & blue green Algae
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165.
Which type of resin canal are found in cortex and secondary xylem of the stem of Pinus
A
Schizogenous cavities
B
Lysigenous cavities
C
Schizolysigenous cavities
D
None of the above
Answer :
Schizogenous cavities
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166.
Is selaginella reduction division occurs
A
During formation of microspores
B
During formation of both microspores and megaspores
C
During formation of sperms
D
Immeditelyafter fertilization
Answer :
During formation of both microspores and megaspores
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167.
Which is the common and advanced type of conjugation is Spirogyra
A
Direct lateral conjugation
B
Indirect lateral conjugation
C
Scalariform conjugation
D
None of the above
Answer :
Scalariform conjugation
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168.
Spindle shaped male gametes are found in
A
Lycopodium
B
Pteris
C
Pteridium
D
Selaginella
Answer :
Selaginella
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169.
Zygotice meiosis is characteristic of
A
Procaryotes
B
Thallophyta
C
Bryophyta
D
Spermatophyta
Answer :
Thallophyta
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170.
Seed of Pinus contain several embryos with a compound suspensor. They are developed through
A
Adventive polyembryony
B
Normal polyembryony
C
Cleavage polyembryony
D
Both B and C
Answer :
Cleavage polyembryony
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