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Q. No.Cycas and Adiantum resemble each other in having:
1. Seeds
2. Motile sperms
3. Cambium
4. Vessels
Subtopic: Pteridophytes: Heterospory | General Accounts of Gymnosperms: II | Gymnosperms |
AIPMT - 2012
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Which one of the following is a correct statement?
| 1. | Pteridophyte gametophyte has a protonemal and leafy stage |
| 2. | In gymnosperms, female gametophyte is free-living |
| 3. | Antheridiophores and protonema are present in pteridophytes |
| 4. | Origin of seed habit can be traced in pteridophytes |
Subtopic: Pteridophytes |
74%
From NCERT
AIPMT - 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
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 |
AIPMT - 2011
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The gametophyte is not an independent, free-living generation in:
1. Adiantum
2. Marchantia
3. Pinus
4. Polytrichum
1. Adiantum
2. Marchantia
3. Pinus
4. Polytrichum
Subtopic: Gymnosperms: I | Gymnosperms |
81%
From NCERT
AIPMT - 2011
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Mannitol is a sugar alcohol. It is as stored food in:
1. Fucus
2. Gracillaria
3. Chara
4. Porphyra
Subtopic: Pheophyceae: Brown Algae |
85%
From NCERT
AIPMT - 2011
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Subtopic: Bryophytes (Liverworts) |
81%
From NCERT
AIPMT - 2011
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A prokaryotic autotrophic nitrogen-fixing symbiont is found in:
1. Cycas
2. Cicer
3. Pisum
4. Alnus
1. Cycas
2. Cicer
3. Pisum
4. Alnus
Subtopic: Gymnosperms: I | Gymnosperms |
85%
From NCERT
AIPMT - 2011
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Subtopic: Pheophyceae: Brown Algae |
88%
From NCERT
AIPMT - 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: II | Classification System |
94%
From NCERT
AIPMT - 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: II | Pteridophytes | Classification of Pteridophytes |
63%
AIPMT - 2009
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