- 1(current)
Q. No.Cycas and Adiantum resemble each other in having:
1. Seeds
2. Motile sperms
3. Cambium
4. Vessels
Subtopic: Â Pteridophytes: Heterospory |Â General Accounts of Gymnosperms: II |Â Gymnosperms |
AIPMT - 2012
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Hints
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: Â Pteridophytes: Heterospory |
AIPMT - 2011
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NEET 2023 - Target Batch - Aryan Raj Singh
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Which one of the following is considered important in the development of seed habit?
| 1. | Dependent sporophyte | 2. | Heterospory |
| 3. | Halplontic life cycle | 4. | Free-living gametophyte |
Subtopic: Â Pteridophytes: Heterospory |
 71%
From NCERT
AIPMT - 2009
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NEET 2023 - Target Batch - Aryan Raj Singh
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To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
Subtopic: Â Pteridophytes: Heterospory |Â Pteridophytes |
 92%
From NCERT
AIPMT - 2008
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NEET 2023 - Target Batch - Aryan Raj Singh
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Links
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NEET 2023 - Target Batch - Aryan Raj Singh
Flagellated male gametes are present in all three of which one of the following sets?
1. Anthoceros, Funaria, and Spirogyra
2. Zygnema, Saprolegnia, and Hydrilla
3. Fucus, Marsilea, and Calotropis
4. Riccia, Dryopteris, and Cycas
Subtopic: Â Bryophytes |Â Pteridophytes: Heterospory |Â Gymnosperms: I |Â Gymnosperms |
AIPMT - 2007
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Hints
In the prothallus of a vascular cryptogam, the antherozoids and eggs mature at different times. As a result:
1. there is no change in the success rate of fertilization
2. there is a high degree of sterility
3. one can conclude that the plant is apomictic
4. self-fertilization is prevented
Subtopic: Â Pteridophytes: Heterospory |Â Pteridophytes |
 74%
AIPMT - 2007
Please attempt this question first.
Hints
- 1(current)
Q. No.
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