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Q. No.A and B in the given diagram respectively show:
1.
Male thallus of Marchantia and Female thallus of Marchantia
2.
Female thallus of Marchantia and Male thallus of Marchantia
3.
Male thallus of Funaria and Female thallus of Funaria
4.
Female thallus of Funaria and Male thallus of Funaria
Subtopic: Bryophytes |
89%
Level 1: 80%+
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In gymnosperms:
| 1. | gametophytes have an independent free-living existence |
| 2. | pollen grains are transported by water |
| 3. | pollen tubes are not seen |
| 4. | seeds are not covered |
Subtopic: Gymnosperms |
88%
Level 1: 80%+
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Asexual reproduction in brown algae is by:
| 1. | biflagellate biconcave disc shaped zoospores |
| 2. | non-motile spherical aplanogametes |
| 3. | biflagellate pear shaped zoospores |
| 4. | non-motile zoospores produced in zoosporangia |
Subtopic: Pheophyceae: Brown Algae |
89%
Level 1: 80%+
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Consider the two statements:
| Statement I: | Antheridium in bryophytes produces biflagellate antherozoids. |
| Statement II: | Archegonium in bryophytes produces a single egg. |
| 1. | Statement I is correct; Statement II is incorrect |
| 2. | Statement I is correct; Statement II is correct |
| 3. | Statement II is correct; Statement I is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Bryophytes |
90%
Level 1: 80%+
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Classification system based on information like chromosome number, structure, behaviour is called as:
1. Numerical taxonomy
2. Cytotaxonomy
3. Chemotaxonomy
4. Cladistics
1. Numerical taxonomy
2. Cytotaxonomy
3. Chemotaxonomy
4. Cladistics
Subtopic: Classification System |
88%
Level 1: 80%+
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Regarding red algae:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Majority are fresh water with greater concentrations found in the colder areas. |
| II: | They occur in both well-lighted regions close to the surface of water and also at great depths in oceans where relatively little light penetrates. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
82%
Level 1: 80%+
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The leafy stage in the life cycle of mosses:
| 1. | is a stage of the sporophytic generation. |
| 2. | is a creeping, green, branched and frequently filamentous stage. |
| 3. | develops directly from a spore. |
| 4. | bears sex organs. |
Subtopic: Bryophytes |
55%
Level 3: 35%-60%
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Consider the two given statements:
| Assertion (A): | The spread of living pteridophytes is limited and restricted to narrow geographical regions. |
| Reason (R): | Pteridophytes are terrestrial plants that possess vascular tissues – xylem and phloem. |
| 1. | Both (A) and (R) are True and the (R) correctly explains (A) |
| 2. | (A) is True but (R) is False |
| 3. | (A) is False but (R) is True |
| 4. | Both (A) and (R) are True but (R) does not correctly explain (A) |
Subtopic: Pteridophytes |
82%
Level 1: 80%+
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Give below are two statements : One is labelled as Assertion (A) and the other is labelled Reason (R) :
In the light of the above statements, choose the most appropriate answer from the options given below:
| Assertion (A): | The first stage of gametophyte in the life cycle of moss is protonema stage. |
| Reason (R): | Protonema develops directly from spores produced in capsule. |
| 1. | (A) is False but (R) is True. |
| 2. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 3. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 4. | (A) is True but (R) is False. |
Subtopic: Bryophytes |
69%
Level 2: 60%+
NEET - 2023
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Identify the pair of heterosporous pteridophytes among the following :
1. Equisetum and Salvinia
2. Lycopodium and Selaginella
3. Selaginella and Salvinia
4. Psilotum and Salvinia
1. Equisetum and Salvinia
2. Lycopodium and Selaginella
3. Selaginella and Salvinia
4. Psilotum and Salvinia
Subtopic: Pteridophytes |
88%
Level 1: 80%+
NEET - 2023
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