- 1(current)
Q. No.A prothallus is
| 1. | A structure in pteridophytes formed before the thallus develops |
| 2. | A sporophytic free living structure formed in pteridophytes |
| 3. | A gametophyte free living structure formed in pteridophytes |
| 4. | A primitive structure formed after fertilization in pteriodophytes |
Subtopic: Â Pteridophytes |
 66%
Level 2: 60%+
Hints
Evolutionarily, the first terrestrial plants to possess vascular tissues are:
| 1. | Bryophytes | 2. | Pteridophytes |
| 3. | Gnetales | 4. | Cycads |
Subtopic: Â Pteridophytes |
 93%
Level 1: 80%+
Hints
Which of the following does not belong to the class Pteropsida?
| 1. | Dryopteris | 2. | Adiantum |
| 3. | Pteris | 4. | Lycopodium |
Subtopic: Â Pteridophytes |
 84%
Level 1: 80%+
Hints
Consider the following statements:
| I: | Pteridophytes are the first terrestrial plants to possess vascular bundles. |
| II: | Main plant body in pteridophytes is sporophyte which is differentiated into true stem and leaves. |
| III: | Genera like Selaginella and Salvinia are heterosporous. |
Which of the above statements are true?
| 1. | I and II only | 2. | I and III only |
| 3. | II and III only | 4. | I, II and III |
Subtopic: Â Pteridophytes |
 86%
Level 1: 80%+
Hints
A plant has a diploid sporophyte as the dominant, independent, photosynthetic, vascular body. It alternates with multicellular, saprophytic/autotrophic, independent but short-lived haploid gametophyte. This plant most likely belongs to:
| 1. | Red algae | 2. | Bryophytes |
| 3. | Pteridophytes | 4. | Gymnosperms |
Subtopic: Â Pteridophytes |
 76%
Level 2: 60%+
Hints
- 1(current)
Q. No.
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