Heterosporous pteridophyte includes both:
1. Lycopodium and Equisetum
2. Selaginella and Salvinia
3. Psilotum and Phylloglossum
4. Selaginella and Equisetum
Subtopic: Â Pteridophytes: Heterospory |
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Level 1: 80%+
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The given diagram shows :
| 1. | An alga that lacks flagellated cells |
| 2. | A liverwort |
| 3. | A heterosporous pteridophyte |
| 4. | A gymnosperm with non-motile sperms |
Subtopic: Â Pteridophytes: Heterospory |
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Level 1: 80%+
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In bryophytes and pteriodophytes, transport of male gametes requires
1. insects
2. birds
3. water
4. wind
Subtopic: Â Bryophytes |Â Pteridophytes: Heterospory |
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Level 1: 80%+
NEET - 2016
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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: Â Pteridophytes: Heterospory |
 52%
Level 3: 35%-60%
NEET - 2011
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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: Â Pteridophytes: Heterospory |
 70%
Level 2: 60%+
NEET - 2009
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Subtopic: Â Pteridophytes: Heterospory |
 90%
Level 1: 80%+
NEET - 2008
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Subtopic: Â Pteridophytes: Heterospory |Â Pteridophytes |
 92%
Level 1: 80%+
AIPMT - 2008
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From an evolutionary point of view, retention of the female gametophyte with developing young embryo on the parent sporophyte for some time, is first observed in:
| 1. | Gymnosperms | 2. | Liverworts |
| 3. | Mosses | 4. | Pteridophytes |
Subtopic: Â Pteridophytes: Heterospory |Â Pteridophytes |
 75%
Level 2: 60%+
NEET - 2019
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Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as
| 1. | Homosporous | 2. | Heterosporous |
| 3. | Homosorus | 4. | Heterosorus |
Subtopic: Â Pteridophytes: Heterospory |
 94%
Level 1: 80%+
NEET - 2021
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