Q. No.Consider the given two statements:
Statement I:
In Cycas, the pinnate leaves persist for a few years.
Statement II:
In conifers, the needle-like leaves reduce the surface area helping to reduce water loss.
1. Statement I is correct but Statement II is incorrect
2. Statement I is incorrect but Statement II is correct
3. Statement I and Statement II are correct
4. Statement I and Statement II are incorrect
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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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| I. | Sporophytic generation is represented only by the one-celled zygote. |
| II. | Meiosis in zygote results in the formation of haploid gametes. |
| III. | The dominant photosynthetic stage is the free living gametophyte |
| 1. | Only I is correct |
| 2. | Only I and III are correct |
| 3. | Only II is correct |
| 4. | I, II and III are correct |
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1. Gametophyte is the dominant photosynthetically independent phase.
2. The sporophytic stage is represented by the single to few-celled diploid sporophyte.
3. All seed bearing plants follow this pattern with some variations.
4. Most algae follow this type of life cycle.
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| 1. | Red algae | 2. | Bryophytes |
| 3. | Pteridophytes | 4. | Gymnosperms |
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I. Spirogyra is haplontic
II. Fucus is diplontic
III. Ectocarpus, Polysiphonia and kelps is haplo-diplontic
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
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| 1. Red algae | 2. Bryophytes |
| 3. Pteridophytes | 4. Gymnosperms |
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| A | B | C | D | |
| 1. | Vascular plants | Seed plants | Green plants | Land plants |
| 2. | Land plants | Green plants | Seed plants | Vascular plants |
| 3. | Green plants | Land plants | Vascular plants | Seed plants |
| 4. | Seed plants | Vascular plants | Land plants | Green plants |
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1. a homosporous plant with bisexual gametophytes
2. a heterosporous plant with bisexual gametophytes
3. a homosporous plant with unisexual gametophytes
4. a heterosporous plant with unisexual gametophytes
| 1. Gymnosperm | 2. Angiosperm |
| 3. Bryophyte | 4. Pteridophyte |
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