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Q. No.Consider the given statements:
Statement I:
All three classes of algae possess cellulose in their cell walls.
Statement II:
Rhodophyceae lacks flagella, whereas Chlorophyceae can have up to 8 flagella.
Statement III:
Phaeophyceae stores food in the form of laminarin and starch.
1. Only Statement II is correct
2. Both Statement I and Statement II are correct
3. Only Statement III is correct
4. All Statements are correct
Subtopic: Algae |
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Level 3: 35%-60%
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Consider the following statements about gymnosperms:
Which of the above statements is/are correct?
| Statement I: | Gymnosperms exhibit a dominant sporophyte in their life cycle. |
| Statement II: | Gymnosperms produce seeds and flowers but lack fruit formation. |
| Statement III: | In gymnosperms, male gametophytes are transported by water to fertilize the ovules. |
| 1. | Only I | 2. | Only I and II |
| 3. | Only II and III | 4. | All I, II, and III |
Subtopic: Gymnosperms |
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Level 3: 35%-60%
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Regarding the figure given below:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Neither I nor II are correct
| I: | It is a heterosporous pteridophyte. |
| II: | It belongs to Psilopsida. |
2. Only II is correct
3. Both I and II are correct
4. Neither I nor II are correct
Subtopic: Pteridophytes |
Level 3: 35%-60%
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Which of the following statements about numerical taxonomy is incorrect?
| 1. | It is based on the quantification of observable characteristics and the use of statistical methods. |
| 2. | It gives equal importance to all characteristics and does not distinguish between homologous and analogous traits. |
| 3. | It relies solely on genetic data and molecular markers for classification. |
| 4. | It uses computer algorithms to analyze large datasets and determine relationships between organisms. |
Subtopic: Classification System |
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Consider the given two statements:
| Statement I: | Ferns have small leaves called microphylls |
| Statement II: | Equisetum has strobili or cones |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is correct; Statement II is incorrect |
| 3. | Statement I is incorrect; Statement II is correct |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Pteridophytes |
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Level 2: 60%+
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In mosses, spores:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I nor II are incorrect
| I: | are contained in capsule |
| II: | undergo meiosis |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I nor II are incorrect
Subtopic: Bryophytes |
Level 3: 35%-60%
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Match the correct features with Pinus:
| I: | Needle like Leaves |
| II: | Reproduce by spores |
| III: | Male and female cones on the same plant |
| 1. | Only I and II |
| 2. | Only I and III |
| 3. | Only II and III |
| 4. | I, II and III |
Subtopic: Gymnosperms |
Level 3: 35%-60%
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Which of the following statements is true about zoospores and gametes in brown algae?
| 1. | Both zoospores and gametes in brown algae are motile and have equal sized flagella. |
| 2. | Zoospores are non-motile while gametes are motile, both lacking flagella. |
| 3. | Zoospores are motile with two flagella, while gametes are non-motile. |
| 4. | Zoospores and gametes are both motile and similar in the number of flagella. |
Subtopic: Pheophyceae: Brown Algae |
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Where does the early embryonic development of zygote in bryophytes take place?
| 1. | In the Protonema. | 2. | In the Sporangium. |
| 3. | In the Antheridium. | 4. | In the Archegonium. |
Subtopic: Bryophytes |
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The given figure shows:
1. Only I is correct
2. Only II is correct
3. Only II and III are correct
4. I, II and III are incorrect
| I: | The male gametophyte of Marchantia |
| II: | Hair like multicellular, branched true roots on the margins of the plant body. |
| III: | Sexual reproductive cup like structures on the dorsal surface of the plant. |
2. Only II is correct
3. Only II and III are correct
4. I, II and III are incorrect
Subtopic: Bryophytes |
56%
Level 3: 35%-60%
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