- 1(current)
Q. No.I. The dicots are characterized by seeds having two cotyledons, reticulate venation and trimerous flowers.
II. The monocots are characterized by single cotyledonous seed, parallel venation and tetramerous or pentamerous flowers.
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
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What is not correct regarding resemblances between gymnosperms and angiosperms?
1. Well developed vascular system with xylem and phloem
2. Development of flowers for the purpose of reproduction
3. Microspores develop into a pollen tube
4. Post fertilization development of endosperm for nourishment of embryo
Identify the incorrectly matched row:
|
|
Character |
Gymnosperm |
Angiosperm |
|
1. |
Xylem |
Tracheids only |
Mainly vessels |
|
2. |
Pollination agency |
Water only |
Various |
|
3. |
Female gametophyte |
Relatively large with distinct Archegonia |
8-nucleate embryo sac |
|
4. |
Endosperm |
Haploid |
Triploid |
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| 1. Gymnosperm | 2. Angiosperm |
| 3. Bryophyte | 4. Pteridophyte |
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- 1(current)
Q. No.
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