- 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 |
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Evolutionarily, the first terrestrial plants to possess vascular tissues are:
| 1. | Bryophytes | 2. | Pteridophytes |
| 3. | Gnetales | 4. | Cycads |
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Which of the following does not belong to the class Pteropsida?
| 1. | Dryopteris | 2. | Adiantum |
| 3. | Pteris | 4. | Lycopodium |
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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 |
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| 1. | Red algae | 2. | Bryophytes |
| 3. | Pteridophytes | 4. | Gymnosperms |
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- 1(current)
Q. No.
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