What is the function of the gemmae produced by some liverworts?
1. a water gathering structure
2. a light gathering structure
3. a sexual structure
4. an asexual structure
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Regarding Marchantia:
I: | The thallus is dorsi-ventral and closely appressed to the substrate. |
II: | The plant is monoecious. |
1. | Both I and II are incorrect |
2. | Only I is incorrect |
3. | Only I is correct |
4. | Both I and II are correct |
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I: | Asexual reproduction is not seen. |
II: | Sexual reproduction takes place by multicellular gemmae. |
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The given diagram shows:
1. Male thallus of Marchantia 2. Female thallus of Marchantia 3. Sphagnum sporophyte 4. Sphagnum gametophyte |
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Identify the incorrectly matched comparison between liverworts and mosses:
Character |
Liverworts |
Mosses |
|
1. |
Gametophyte |
Thalloid and dorsiventral |
Leafy and radial |
2. |
Rhizoids |
Unicellular, mostly unbranched |
Multicellular, generally branched |
3. |
Protonema |
Mostly absent or small |
Distinct and well developed |
4. |
Elaters |
Absent |
Present |
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In the given diagram of Funaria, what are A, B, C and D respectively?
1. Sporophyte, Gametophyte, Female branch, Male branch
2. Gametophyte, Sporophyte, Female branch, Male branch
3. Sporophyte, Gametophyte, Male branch, Female branch
4. Gametophyte, Sporophyte, Male branch, Female branch
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1. Only I | 2. Only II |
3. Both I and II | 4. Neither I nor II |
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