Which one of the following is common to multicellular fungi, filamentous algae and protonema of mosses?

(1) Diplontic life cycle

(2) Members of kingdom-Plantae

(3) Mode of nutrition

(4) Multiplication by fragmentation

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Gymnosperms are also called soft wood spermatophhytes because they lack

(1) cambium

(2) phloem fibres

(3) thick-walled tracheids

(4) xylem fibres

Concept Questions :-

General Accounts of Gymnosperms:II
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Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be

(1) larger but to have smaller sex organs

(2) larger and to have large sex organs

(3) smaller and to have smaller sex organs

(4) smaller but to have larger sex organs

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Pteridophytes: Heterospory
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The gametophyte is not an independent, free living generation in

(1) Adiantum

(2) Marchantia

(3) Pinus

(4) Polytrichum

Concept Questions :-

General Accounts of Gymnosperms:II
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Archegoniophore is present in

(1) Chara

(2) Adiantum

(3) Funaria

(4) Marchantia

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A prokaryotic autotrophic nitrogen fixing symbiont is found in

(1) Cycas

(2) Cicer

(3) Pisum

(4) Alnus

 

Concept Questions :-

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

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Algae have cell wall made up of

(1) cellulose, galactans and mannans

(2) hemicellulose, pectins and proteins

(3) pectins, cellulose and proteins

(4) cellulose, hemicellulose and pectins

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Which one of the following  has haplontic life cycle?

(1) Funaria

(2) Polytrichum

(3) Ustilago

(4) Wheat

Concept Questions :-

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

Concept Questions :-

Clssification System: I
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