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Q. No.Which of the following will not be true for members of chlorophyceae?
1.
The photosynthetic pigments are located within definite chloroplasts.
2.
Chloroplasts are discoid in shape in all members of chlorophyceae.
3.
Most of the members have one or more storage bodies called pyrenoids, which contain proteins besides starch, located in the chloroplasts.
4.
Some green algae may store food in the form of oil droplets.
Subtopic: Chlorophyceae: Green Algae: I |
81%
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Which of the following feature given in column I is not correctly matched with its correct description given in Column II with respect to members of Chlorophyceae?
| Column I | Column II | |
| 1. | Main photosynthetic pigment | Chlorophyll a, b |
| 2. | Cell wall | Inner layer of cellulose and outer layer of pectose |
| 3. | Stored food | Starch |
| 4. | Flagellar number and insertion | 2-8. unequal. basal |
Subtopic: Chlorophyceae: Green Algae: II |
87%
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Regarding the size and form of brown algae:
1. Both I and II are incorrect
2. Only I is incorrect
3. Only I is correct
4. Both I and II are correct
| I: | Ectocarpus is profusely branched and may reach a height of 100 meters. |
| II: | Kelps are simple branched filamentous brown algae. |
1. Both I and II are incorrect
2. Only I is incorrect
3. Only I is correct
4. Both I and II are correct
Subtopic: Pheophyceae: Brown Algae |
66%
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In brown algae:
1. Both I and II are incorrect
2. Only I is incorrect
3. Only I is correct
4. Both I and II are correct
| I. | Asexual reproduction is by biflagellate zoospores that are pear shaped and have two unequal and laterally attached flagella. |
| II. | The gametes are pyriform [pear shaped] and bear two laterally attached flagella. |
1. Both I and II are incorrect
2. Only I is incorrect
3. Only I is correct
4. Both I and II are correct
Subtopic: Pheophyceae: Brown Algae |
83%
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The leaf like photosynthetic organ in the body of a typical brown alga is called as:
| 1. | Frond | 2. | Stipe |
| 3. | Holdfast | 4. | Rhizoid |
Subtopic: Pheophyceae: Brown Algae |
91%
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Sexual reproduction is oogamous and accompanied by complete post-fertilization developments in the members of:
1. Chlorophyceae
2. Phaeophyceae
3. Rhodophyceae
4. Both Chlorophyceae and Phaeophyceae
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
82%
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All the following are members of rhodophyceae except:
| 1. | Polysiphonia | 2. | Laminaria |
| 3. | Gracilaria | 4. | Gelidium |
Subtopic: Rhodophyceae: Red Algae and Importance of Algae |
94%
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Consider the two statements:
| Statement I: | Bryophytes usually occur in damp, humid and shaded localities and are not truly ‘successful’ on land. |
| Statement II: | They are dependent on water for sexual reproduction. |
| 1. | Statement I is correct and Statement II is incorrect |
| 2. | Both Statement I and Statement II are correct and Statement II explains Statement I |
| 3. | Statement I is incorrect and Statement II is correct |
| 4. | Both Statement I and Statement II are correct but Statement II does not explain Statement I |
Subtopic: Bryophytes |
81%
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Which of the following statement will not be true regarding bryophytes?
| 1. | They are dependent on water for sexual reproduction. |
| 2. | Archegonium is flask shaped and produces multiple eggs. |
| 3. | Sporophyte is attached to the photosynthetic gametophytes and derives nourishment from it. |
| 4. | The antherozoids are released into water. |
Subtopic: Bryophytes |
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Regarding Marchantia:
| I: | The thallus is dorsi-ventral and closely appressed to the substrate. |
| II: | The plant is monoecious. |
| 1. | Both I and II are incorrect |
| 2. | Only I is incorrect |
| 3. | Only I is correct |
| 4. | Both I and II are correct |
Subtopic: Bryophytes (Liverworts) |
68%
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