Select Chapter Topics:
Q. No.Subtopic: Algae |
59%
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Select the mismatch:
| 1. | Pinus - Dioecious | 2. | Cycas - Dioecuous |
| 3. | Salvinia - Heterosporous | 4. | Equisetum - Homosporous |
Subtopic: Gymnosperms |
75%
From NCERT
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Which of the following classes of algae store food that is chemically very similar to amylopectin and glycogen?
| 1. | Chlorophyceae | 2. | Phaeophyceae |
| 3. | Rhodophyceae | 4. | All algae |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
78%
From NCERT
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The cell wall polysaccharides of some red algae are the source of:
1. a sugar substitute
2. a source of salt
3. glucose for the study of photosynthesis
4. agar for growing bacteria and other organisms
Subtopic: Algae |
77%
From NCERT
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Subtopic: Algae |
82%
From NCERT
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The gymnosperms, Pines, are unique because they produce:
| 1. | leaves in fascicles | 2. | true leaves |
| 3. | cones | 4. | archegonia |
Subtopic: Gymnosperms |
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Which of the following is not true regarding algae?
1. Thallophytes that contain chlorophyll
2. Autotrophic
3. Body made of pseudo-parenchyma
4. Cellulosic cell wall
Subtopic: Algae |
86%
From NCERT
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The gametes are pyriform and bear two laterally attached flagella in:
1. Chlorophyceae
2. Phaeophyceae
3. Rhodophyceae
4. All algae
1. Chlorophyceae
2. Phaeophyceae
3. Rhodophyceae
4. All algae
Subtopic: Pheophyceae: Brown Algae |
83%
From NCERT
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Sexual reproduction takes place through non flagellated gametes that are similar in size in:
| 1. | Ulothrix | 2. | Spirogyra |
| 3. | Volvox | 4. | Fucus |
Subtopic: Algae |
81%
From NCERT
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The microstrobilus in gymnosperms represents the:
| 1. | "female" cone | 2. | megasporangium-bearing cone |
| 3. | pollen-bearing cone | 4. | none of these |
Subtopic: Gymnosperms |
77%
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