Q. No.What would be true regarding reproduction by ‘zoospores’ in algae and fungi?
| 1. | While they are produced in sexual reproduction in algae, in fungi they are produced in asexual reproduction. |
| 2. | While they are produced in sexual reproduction in fungi, in algae they are produced in asexual reproduction. |
| 3. | They are flagellated and motile in algae and non-motile in fungi. |
| 4. | They are motile and produced in asexual reproduction in both algae and fungi. |
Subtopic: Algae |
68%
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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NEET 2026 - Target Batch - Vital
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Porphyra, Sargassum and Laminaria are all:
| I: | brown algae |
| II: | marine edible algae |
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Algae |
62%
From NCERT
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NEET 2026 - Target Batch - Vital
Which one of the following statements is wrong?
| 1. | Laminaria and Sargassum are used as food. |
| 2. | Algae increase the level of dissolved oxygen in the immediate environment. |
| 3. | Algin is obtained from red algae, and carrageenan from brown algae. |
| 4. | Agar-agar is obtained from Gelidium and Gracilaria. |
Subtopic: Algae |
81%
From NCERT
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Subtopic: Algae |
59%
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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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Which of the following pairs is of unicellular algae?
| 1. | Gelidium and Gracilaria |
| 2. | Anabaena and Volvox |
| 3. | Chlorella and Spirulina |
| 4. | Laminaria and Sargassum |
Subtopic: Algae |
67%
NEET - 2020
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The algae shown in the diagram below belongs to the class which has:
1. 2-8 equal and apical flagella
2. 2 unequal and lateral flagella
3. 2 unequal and apical flagella
4. 2-8 equal and lateral flagella
1. 2-8 equal and apical flagella
2. 2 unequal and lateral flagella
3. 2 unequal and apical flagella
4. 2-8 equal and lateral flagella
Subtopic: Algae |
81%
From NCERT
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Identify the correctly matched pair:
| 1. | Isogamy with flagellated gametes | Volvox |
| 2. | Isogamy with non-flagellated gametes | Ulothrix |
| 3. | Anisogamy | Udorina |
| 4. | Oogamy | Spirogyra |
Subtopic: Algae |
75%
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Given below are two statements:
| Statement I: | Chlorella is used as food supplement by space travellers |
| Statement II: | Chlorella is a unicellular algae |
| 1. | Both I and II are true and II correctly explains I |
| 2. | I is true and II is false |
| 3. | Both I and II are true but II does not explain I |
| 4. | Both I and II are false |
Subtopic: Algae |
77%
From NCERT
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