The gametophyte is not an independent, free living generation in

(1) Adiantum

(2) Marchantia

(3) Pinus

(4) Polytrichum

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
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Archegoniophore is present in

(1) Chara

(2) Adiantum

(3) Funaria

(4) Marchantia

Subtopic:  Bryophytes |
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A prokaryotic autotrophic nitrogen fixing symbiont is found in

(1) Cycas

(2) Cicer

(3) Pisum

(4) Alnus

 

Subtopic:  Examples of Gymnosperms |
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Male and female gametophytes are independent and free-living in

(1) mustard

(2) castor

(3) Pinus

(4) Sphagnum

Subtopic:  Bryophytes |
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Which one of the following  has haplontic life cycle?

(1) Funaria

(2) Polytrichum

(3) Ustilago

(4) Wheat

Subtopic:  Life Cycle Patterns in Plants |
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Phylogenetic system of classification is based on

(1) evolutionary relationships

(2) morphological features

(3) chemical constituents

(4) floral characters

Subtopic:  Clssification System: I | Classification System |
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Which one of the following is a vascular cryptogam?

(1) Equisetum

(2) Ginkgo

(3) Marchantia

(4) Cedrus

Subtopic:  Classification of Pteridophytes: I | Classification of Pteridophytes |
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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

Subtopic:  Pteridophytes: Heterospory |
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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

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
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Which one of the following is heterosporous?

(1) Dryopteris

(2) Salvinia

(3) Adiantum

(4) Equisetum

Subtopic:  Pteridophytes: Heterospory |
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