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:  Classification 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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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

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
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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

Subtopic:  Algae |
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In gymnosperms, the pollen chamber represents:

(1) a cell in the pollen grain in which the sperms are formed

(2) a cavity in the ovule in which pollen grains are stored after pollination

(3) an opening in the megagametophyte through which the pollen tube approaches the egg

(4) the microsporangium in which pollen grains develop

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
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Spore dissemination in some liverworts is aided by:

(1) elaters

(2) indusium

(3) calyptra

(4) peristome teeth

Subtopic:  Bryophytes (Liverworts) |
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