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Q. No.Which one of the following is heterosporous?
1. Dryopteris
2. Salvinia
3. Adiantum
4. Equisetum
2. Salvinia
3. Adiantum
4. Equisetum
Subtopic: Pteridophytes: Heterospory |
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Algae that are mostly found in warm coastal waters of oceans are the
| 1. | Green algae | 2. | Brown algae |
| 3. | Red algae | 4. | None of these |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
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In a moss, the sporophyte
| 1. | Manufactures food for itself as well as for the gametophyte |
| 2. | Arises from a spore produced from gametophyte |
| 3. | Is partially parasitic on the gametophyte |
| 4. | Produces gametes that give rise to gametophyte |
Subtopic: Bryophytes |
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Chlorophyll a, chlorophyll d and phycoerytherin occur in
| 1. | Chlorophyceae | 2. | Bacillariophyceae |
| 3. | Cyanophyceae | 4. | Rhodophyceae |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
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Ulothrix is
| 1. | Filamentous algae with flagellated reproductive stages |
| 2. | Filamentous algae with non–flagellated reproductive stages |
| 3. | Membranous algae producing zoospores |
| 4. | Nonmotile colonial algae lacking reproductive stages |
Subtopic: Chlorophyceae: Green Algae |
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The characteristic pigment found in brown algae is
| 1. | Phycocyanin |
| 2. | Fucoxanthin |
| 3. | Phycoerytherin |
| 4. | Haematochrome |
Subtopic: Pheophyceae: Brown Algae |
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Subtopic: Algae |
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Hydrocolloids are produced by certain marine brown and red algae. Examples would include
1. Algin and Carrageen
2. Agar and Carrageen
3. Laminaria and Sargassum
4. Sargassum and Porphyra
Subtopic: Algae |
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Motile flagellated cells are never produced by the members of
| 1. | Chlorophyta | 2. | Chrysophyta |
| 3. | Phaeophyta | 4. | Rhodophyta |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
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Which of the following classification is now easily carried out using computers is based on all observable characteristics?
| 1. | Natural classification |
| 2. | Artificial classification |
| 3. | Practical classification |
| 4. | Numerical classification |
Subtopic: Classification System |
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