711.
The sporophyte of moss absorbs water form gametophyte with the help of
A
Capsule
B
Seta
C
Foot
D
Haustoria
Answer :
Foot
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712.
Which one of the following is a correct statement?
A
Pteridophyte gametophyte has a protonemal and leafy stage
B
In gymnosperms female gametophyte is free-living
C
Antheridiophores and archegoniophores are present in pteridophytes
D
Origin of seed habit can be traced in pteridophytes
Answer :
Origin of seed habit can be traced in pteridophytes
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713.
In Lycopodium the antherozoids are
A
Biflagellate
B
Multiflagellate
C
Multicilate
D
None motile
Answer :
Biflagellate
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714.
Green algae are considered as ancestors of higher plants due to their resemblance with higher plants in
A
Pigments
B
Cell wall
C
Stored food
D
All of the above
Answer :
All of the above
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715.
Plants reproducing by spores such as mosses and ferns are grouped under the general term
A
Thallophytes
B
Cryptogams
C
Bryophytes
D
Sporophytes
Answer :
Cryptogams
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716.
In Pinus/gymnosperms, the haploid structure are
A
megaspore, endosperm and embryo
B
megaspore, pollen grain and endosperm
C
megaspore, integument and root
D
pollen grain, leaf and root
Answer :
megaspore, pollen grain and endosperm
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717.
Violet colour of Scales of Riccia is due to
A
Presnece of anthocyanin pigment in cytoplasm
B
Present of nthocyaning pigment in cell-sap
C
Presence of anthocyaning pigment in chlroplast
D
None of the above
Answer :
Present of nthocyaning pigment in cell-sap
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718.
I which one of the following, male and female gametophytes do not have free living independent existence
A
Funaria
B
Polytrichum
C
Cedrus
D
Pteris
Answer :
Cedrus
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719.
Male and female gametophytes are independent and free -living in:
A
Mustard
B
Castor
C
Pinus
D
Sphagnum
Answer :
Sphagnum
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720.
Winged seeds are found in
A
Fern
B
Pinus
C
China rose
D
Cycas
Answer :
Pinus
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