Q. No.During which period of the geological time scale did the first seed plants evolve?
1. Carboniferous 2. Triassic 3. Jurassic 4. Cretaceous
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| 1. | Bryophytes and Ferns | 2. | Gymnosperms |
| 3. | Monocots | 4. | Dicots |
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| 1. | Carboniferous | 2. | Jurassic |
| 3. | Cretaceous | 4. | Tertiary |
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| 1. | Chlorophyte ancestors | 2. | Tracheophyte ancestors |
| 3. | Rhynia-type plants | 4. | Psilophytons |
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| 1. | 200 mya | 2. | 300 mya |
| 3. | 400 mya | 4. | 500 mya |
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| 1. | 500 mya | 2. | 350 mya |
| 3. | 320 mya | 4. | 300 mya |
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| 1. | Seymouria | 2. | Peripatus |
| 3. | Cartilaginous fishes | 4. | Coelocanths [lobe-finned fishes] |
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