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Q. No.A prokaryotic autotrophic nitrogen fixing symbiont is found in
(1) Cycas
(2) Cicer
(3) Pisum
(4) Alnus
Difficulty Level:
Male and female gametophytes are independent and free-living in
(1) mustard
(2) castor
(3) Pinus
(4) Sphagnum
Difficulty Level:
Which one of the following has haplontic life cycle?
(1) Funaria
(2) Polytrichum
(3) Ustilago
(4) Wheat
Difficulty Level:
Phylogenetic system of classification is based on
(1) evolutionary relationships
(2) morphological features
(3) chemical constituents
(4) floral characters
Difficulty Level:
Which one of the following is a vascular cryptogam?
(1) Equisetum
(2) Ginkgo
(3) Marchantia
(4) Cedrus
Difficulty Level:
Which one of the following is considered important in the development of seed habit?
(1) Dependent sporophyte
(2) Heterospory
(3) Haplontic life cycle
(4) Free-living gametophyte
Difficulty Level:
In which one of the following, the male and female gametophytes don't have free-living independent existence?
(1) Pteris
(2) Funaria
(3) Polytrichum
(4) Cedrus
Difficulty Level:
Which one of the following is heterosporous?
(1) Dryopteris
(2) Salvinia
(3) Adiantum
(4) Equisetum
Difficulty Level:
Select one of the following pairs of important features distinguishing Gnetum from Cycas and Pinus and showing affinities with angiosperms
(1) absence of resin duct and leaf venation
(2) presence of vessel elements and absence of archegonia
(3) perianth and two integuments
(4) embryo development and apical meristem
Difficulty Level:
Flagellated male gametes are present in all the three of which one of the following sets?
(1) Anthoceros, Funaria and Spirogyra
(2) Zygnema, Saprolegnia and Hydrilla
(3) Fucus, Marsilea and Calotropis
(4) Riccia, Dryopteris and Cycas
Difficulty Level:
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