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Xylem present in
- vasscular tissue
- non vasscular tissue
- sporophyte
- spores
- because it conduct water and minerals
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Answer: A Explanation: -
Second period of evolution of plants
- aquatic ancestors
- diversification of vascular plants
- sand ancestors
- hot habitat
- N/A
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Answer: B Explanation: -
Second period of evolution of plants occurred in
- devonian period
- mesozoic
- cenozoic era
- paleozoic
- N/A
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Answer: A Explanation: -
Devonian period occurred years ago
- 400 millions
- 300 millions
- 340 millions
- 290 millions
- N/A
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Answer: A Explanation: -
Earlier vascular plants lacks
- seed
- cells
- flower
- tissue
- N/A
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Answer: A Explanation: -
Third period of evolution in plants
- evolution of seed
- diversification of vascular plants
- aquatic ancestors
- sand ancestors
- N/A
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Answer: A Explanation: -
Evolution of seed occurred in years ago
- 500 million
- 400 millions
- 490 millions
- 390 millions
- N/A
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Answer: A Explanation: -
Evolution of seed occurred at the end period of
- devonian period
- mesozoic
- cenozoic era
- paleozoic
- N/A
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Answer: A Explanation: -
Gymnosperms co existed with ferns years ago
- 300 millions
- 200 millions
- 490 millions
- 500 millions
- N/A
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Answer: B Explanation: -
Evolution of flowering plants are occurred
- fst period
- 2nd perio
- 3rd period
- 4th period
- N/A
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Answer: D Explanation: