- 1(current)
Q. No.Identify the incorrect statement regarding algae:
| 1. | Algae contain chlorophyll |
| 2. | Algae are autotrophic |
| 3. | Body of an alga is composed of pseudoparenchyma and hyphae |
| 4. | Cell wall of an alga is composed of true cellulose. |
Subtopic: Pheophyceae: Brown Algae |
84%
From NCERT
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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 |
67%
From NCERT
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All the following statements will be true for brown algae except:
| 1. | Major pigments are chlorophyll a, c, fucoxanthin |
| 2. | Food is stored as complex carbohydrates which may be in the form of Laminarin or Mannitol |
| 3. | Vegetative cells have chitinous wall usually covered on the outside by a gelatinous coating of algin |
| 4. | Flagellar number and insertions are 2, unequal and lateral |
Subtopic: Pheophyceae: Brown Algae |
75%
From NCERT
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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%
From NCERT
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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 |
88%
From NCERT
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NEET 2026 - Target Batch - Vital
Subtopic: Pheophyceae: Brown Algae |
85%
From NCERT
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NEET 2026 - Target Batch - Vital
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Which of the following statements would be true for brown algae?
| 1. | Major pigments are chlorophyll a, c and fucoxanthin. |
| 2. | Food is stored as floridean starch. |
| 3. | Vegetative cells have wall made of cellulose, pectin and polysulphate esters. |
| 4. | Flagellar number and insertions are 2, equal and apical. |
Subtopic: Pheophyceae: Brown Algae |
From NCERT
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Match each item in Column I with one in Column II and select the correct answer from the codes given:
|
Column I |
Column II |
|
A. Floridean starch |
a. It is created by photosynthesis and is made up of β(1→3)-glucan with β(1→6)-branches |
|
B. Laminarin |
b. An α-linked glucose polymer with a degree of branching intermediate between amylopectin and glycogen |
|
C. Mannitol |
c. A sugar alcohol, an isomer of sorbitol |
Codes
| A | B | C | |
| 1. | a | b | c |
| 2. | a | c | b |
| 3. | b | a | c |
| 4. | c | b | a |
Subtopic: Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
69%
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NEET 2026 - Target Batch - Vital
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- 1(current)
Q. No.
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