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Q. No.Besides paddy fields, cyanobacteria are also found inside vegetative part of
1.
Pinus
2.
Cycas
3.
Equisetum
4.
Psilotum
Subtopic: General Accounts of Gymnosperms: II | Examples of Gymnosperms | Gymnosperms |
77%
From NCERT
NEET - 2013
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Read the following statements (IV) and answer the question which follows them
| I. | In liverworts, mosses and ferns gametophytes are free living. |
| II. | Gymnosperms and some ferns are heterospores. |
| III. | Sexual reproduction in Fucus, Volvox and Albugo is oogamous. |
| IV. | The sporophyte in liverworts is more elaborate than that in mosses. |
How many of the above statements are correct?
1. One
2. Two
3. Three
4. Four
Subtopic: Algae | Bryophytes (Liverworts) | Gymnosperms: I | Gymnosperms |
56%
From NCERT
NEET - 2013
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Cycas and Adiantum resemble each other in having
| 1. | seeds | 2. | motile sperms |
| 3. | cambium | 4. | vessels |
Subtopic: Examples of Gymnosperms |
NEET - 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 archegoniophores are present in pteridophytes |
| 4. | Origin of seed habit can be traced in pteridophytes |
Subtopic: Classification of Pteridophytes: I | Classification of Pteridophytes |
65%
From NCERT
NEET - 2012
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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 |
51%
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 |
77%
From NCERT
NEET - 2011
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Subtopic: Bryophytes |
74%
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 |
85%
From NCERT
NEET - 2011
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