Gymnosperms are also called soft wood spermatophytes because they lack

(1) cambium

(2) phloem fibres

(3) thick-walled tracheids

(4) xylem fibres

Subtopic:  General Accounts of Gymnosperms: II | Gymnosperms |
NEET - 2012
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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

Subtopic:  Pteridophytes: Heterospory |
 52%
NEET - 2011
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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 |
 76%
From NCERT
NEET - 2011
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Archegoniophore is present in

(1) Chara

(2) Adiantum

(3) Funaria

(4) Marchantia

Subtopic:  Bryophytes |
 73%
From NCERT
NEET - 2011
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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 |
 84%
From NCERT
NEET - 2011
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Male and female gametophytes are independent and free-living in

(1) mustard

(2) castor

(3) Pinus

(4) Sphagnum

Subtopic:  Bryophytes |
 72%
From NCERT
NEET - 2010
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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 (OLD NCERT) |
 51%
NEET - 2009
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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 |
 93%
From NCERT
NEET - 2009
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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 |
 61%
NEET - 2009
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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 |
 69%
From NCERT
NEET - 2009
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