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Q. No.Floridean starch is a storage food in members of:
1. Chlorophyceae
2. Phaeophyceae
3. Rhodophyceae
4. Bacillariophyceae
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
90%
From NCERT
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What is a critical difference between liverworts and mosses?
| 1. | Presence of flagellated sperm cells in liverworts |
| 2. | Presence of a cuticle in mosses |
| 3. | Liverworts typically have a simple, flat body called a thallus that is often undifferentiated, whereas mosses have more complex, differentiated structures. |
| 4. | Liverworts are vascular plants, mosses are not. |
Subtopic: Bryophytes (Liverworts) |
93%
From NCERT
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Which characteristic feature is common to both Bryophytes and Pteridophytes?
| 1. | Presence of flowers |
| 2. | Production of seeds |
| 3. | Dependence on water for fertilization |
| 4. | Presence of vascular tissues |
Subtopic: Bryophytes | Pteridophytes |
94%
From NCERT
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Match the plant groups in Column-I with their characteristic reproductive features in Column-II:
Codes:
| Column-I | Column-II | ||
| A. | Angiosperms | P. | Produce seeds in cones |
| B. | Gymnosperms | Q. | Produce spores on the underside of fronds |
| C. | Ferns | R. | Seeds develop inside an ovary, which matures into a fruit |
| D. | Mosses | S. | Spores develop in capsule at the end of a stalk |
| A | B | C | D | |
| 1. | P | R | Q | S |
| 2. | P | R | S | Q |
| 3. | R | P | Q | S |
| 4. | R | P | S | Q |
Subtopic: Bryophytes | Gymnosperms |
68%
From NCERT
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Which of the following is a comparison between Pteridophytes and Gymnosperms?
| 1. | Both reproduce sexually through seeds. |
| 2. | Pteridophytes have a well-developed vascular system, whereas gymnosperms do not. |
| 3. | Pteridophytes reproduce through spores, while gymnosperms reproduce through seeds. |
| 4. | Both are non-flowering plants that reproduce asexually. |
Subtopic: Pteridophytes | Gymnosperms |
79%
From NCERT
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Red algae are characterized by:
| 1. | Having chlorophyll a and b |
| 2. | Storing food as starch |
| 3. | Their red color due to the pigment phycoerythrin |
| 4. | Floating freely in fresh water habitats |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
97%
From NCERT
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Consider the given two statements:
| Statement I: | The sex organ in bryophytes are multicellular |
| Statement II: | Archegonium produces a single egg |
| 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: Bryophytes |
80%
From NCERT
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Lichens:
1. Only I is correct
2. Only II is correct
3. Both I and II is correct
4. Neither I nor II is incorrect
| I: | are good indicators of atmosphere pollution |
| II: | are amongst the first organisms to colonise rocks |
1. Only I is correct
2. Only II is correct
3. Both I and II is correct
4. Neither I nor II is incorrect
Subtopic: Lichens |
83%
From NCERT
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Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
82%
From NCERT
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Subtopic: Pheophyceae: Brown Algae |
84%
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