- 1(current)
Q. No.Identify the correct statement regarding Marchantia:
| 1. | Multicellular rhizoids help in anchorage and absorption of water through their capillary action. |
| 2. | Reproductive organs are borne on antheridiophores and archegoniophores that arise from the apical notches of male and female thalli respectively. |
| 3. | The antheridiophore has an umbrella shaped structure which bears antheridia. |
| 4. | The archegoniophores have flattened, more or less convex head or receptacle. |
Subtopic: Bryophytes (Anthoceropsida) |
62%
All the following bryophytes are ‘Mosses’ except:
| 1. | Funaria | 2. | Marchantia |
| 3. | Polytrichum | 4. | Sphagnum |
Subtopic: Bryophytes (Anthoceropsida) |
86%
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Consider the given statements regarding Mosses:
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
| I: | Protonema is a gametophyte stage that is creeping, green, branched and frequently filamentous. |
| II: | Leafy stage bears sex organs and is attached to the soil through multicellular and branched rhizoids. |
| III: | Sex organs are produced at the apex of the leafy shoot. |
| IV: | They have an elaborate mechanism of spore dispersal. |
1. Only I, II and III are correct
2. Only I, III and IV are correct
3. Only II, III and IV are correct
4. I, II, III and IV are correct
Subtopic: Bryophytes (Anthoceropsida) |
79%
From NCERT
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- 1(current)
Q. No.
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