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Q. No.The given structure belongs to:
1.
the gametophytic generation in the life cycle of a fern
2.
the sporophytic generation in the life cycle of a fern
3.
the gametophytic generation in the life cycle of a moss
4.
the sporophytic generation in the life cycle of a moss
Subtopic: Bryophytes |
Level 3: 35%-60%
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The given diagram shows:
1. The male thallus of Marchantia
2. The female thallus of Marchantia
3. The male thallus of Funaria
4.The female thallus of Funaria
1. The male thallus of Marchantia
2. The female thallus of Marchantia
3. The male thallus of Funaria
4.The female thallus of Funaria
Subtopic: Bryophytes |
84%
Level 1: 80%+
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Hints
Study the given two statements – an Assertion and Reason, and select the correct answer from the options given:
| Assertion(A): | Chlorella is used as a food source and food supplement. |
| Reason(R): | Chlorella is high in protein and other essential nutrients. |
| 1. | (A) is true but (R) is false |
| 2. | Both (A) and (R) are true and (R) correctly explains (A) |
| 3. | (A) is false but (R) is true. |
| 4. | Both (A) and (R) are true but (R) does not correctly explain (A). |
Subtopic: Algae | Chlorophyceae: Green Algae |
85%
Level 1: 80%+
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Regarding pteridophytes:
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
| I. | They are first terrestrial plants to produce seeds. |
| II. | The main plant body is a sporophyte. |
| III. | Prothallus is a thalloid gametophyte. |
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Pteridophytes |
62%
Level 2: 60%+
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What would be true for both Pinus and Cycas?
| 1. | A male and female gametophyte having independent free-living existence. |
| 2. | Coralloid roots associated with symbiotic nitrogen-fixing cyanobacteria |
| 3. | Ovules not enclosed by any ovary wall and remain exposed, before and after fertilisation |
| 4. | Presence of male and female cones or strobili on the same plant |
Subtopic: Gymnosperms |
76%
Level 2: 60%+
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The life cycle in:
1. Fucus is haplontic
2. Gymnosperms is haplontic
3. Spirogyra is haplo-diplontic
4. Bryophytes and pteridophytes is haplo-diplontic
1. Fucus is haplontic
2. Gymnosperms is haplontic
3. Spirogyra is haplo-diplontic
4. Bryophytes and pteridophytes is haplo-diplontic
81%
Level 1: 80%+
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Which one of the following is wrongly matched?
1. Spirogyra -Motile gametes
2. Sargassum - Chlorophyll C
3. Basidiomycetes - Puffballs
4. Nostoc- Water blooms
1. Spirogyra -Motile gametes
2. Sargassum - Chlorophyll C
3. Basidiomycetes - Puffballs
4. Nostoc- Water blooms
Subtopic: Algae |
62%
Level 2: 60%+
NEET - 2013
Hints
What is common in all the three, Funaria, Dryopteris and Ginkgo?
| 1. | Presence of archegonia |
| 2. | Well-developed vascular tissues |
| 3. | Independent gametophyte |
| 4. | Independent sporophyte |
Subtopic: Bryophytes | Pteridophytes | Gymnosperms |
58%
Level 3: 35%-60%
NEET - 2013
Hints
The given figure represents:
| 1. | Equisetum, a horsetail where A is macrophyll and B is microphyll |
| 2. | Sphagnum, peat moss where A is microphyll and B is macrophyll |
| 3. | Equisetum, a horsetail where A is archegonial branch and B is antheridial branch |
| 4. | Sphagnum, peat moss where A is archegonial branch and B is antheridial branch |
Subtopic: Bryophytes |
71%
Level 2: 60%+
Hints
The given figure represents the life cycle of a typical:
| 1. Gymnosperm | 2. Angiosperm |
| 3. Bryophyte | 4. Pteridophyte |
91%
Level 1: 80%+
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