- 1(current)
Q. No.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
Subtopic: Â Bryophytes |Â Bryophytes (Liverworts) |
 78%
Level 2: 60%+
Hints
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 |
Subtopic: Â Bryophytes (Liverworts) |
 61%
Level 2: 60%+
Hints
In liverworts:
1. Both I and II are incorrect
2. Only I is incorrect
3. Only I is correct
4. Both I and II are correct
| I: | Asexual reproduction is not seen. |
| II: | Sexual reproduction takes place by multicellular gemmae. |
1. Both I and II are incorrect
2. Only I is incorrect
3. Only I is correct
4. Both I and II are correct
Subtopic: Â Bryophytes (Liverworts) |
 71%
Level 2: 60%+
Hints
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 |
Subtopic: Â Bryophytes (Liverworts) |
 70%
Level 2: 60%+
Hints
Sporophyte is differentiated into a foot, a seta and a capsule in:
I. Liverworts
II. Mosses
I. Liverworts
II. Mosses
| 1. Only I | 2. Only II |
| 3. Both I and II | 4. Neither I nor II |
Subtopic: Â Bryophytes (Liverworts) |
 60%
Level 2: 60%+
Hints
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 |
Subtopic: Â Bryophytes |Â Bryophytes (Liverworts) |
 59%
Level 3: 35%-60%
Hints
The given diagram shows:
1. Male thallus of Marchantia
2. Female thallus of Marchantia
3. Sphagnum sporophyte
4. Sphagnum gametophyte
Subtopic: Â Bryophytes (Liverworts) |
 86%
Level 1: 80%+
Hints
- 1(current)
Q. No.
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