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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) |
94%
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
1. Presence of flowers
2. Production of seeds
3. Dependence on water for fertilization
4. Presence of vascular tissues
Subtopic: Bryophytes | Pteridophytes |
95%
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
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 |
84%
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 |
85%
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