What is not true for red algae?

1. Lack centriole and flagella

2. Accessory pigments include phycocyanin, phycoeythrin and allophycocyanin

3. They reproduce using alternation of generation

4. The stored food is floridean starch very similar to cellulose

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 54%
From NCERT
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Which of the following algae is likely to be found in the deepest waters?

(1) Green

(2) Brown

(3) Red

(4) All are found at equal depths

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 85%
From NCERT
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Which pair[s] is/are in incorrectly matched?

I. Phaeophyceae - Algin in cell wall

II. Chlorophyceae - Laminarin is stored food

III. Rhodophyceae - 2, unequal, lateral flagella

(1) Only II

(2) Only III

(3) I and II only

(4) II and III only

Subtopic:  Chlorophyceae: Green Algae: I | Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
 75%
From NCERT
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Chlorophyll present in red algae is

1. a, d 2. a, b
3. a, c 4. b, c
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 89%
From NCERT
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In the given diagrams, some of the algae have been labelled as A, B, C, D and E. Choose the correct option to identify these algae.

A B C D E
1. Dictyota Polysiphonia  Porphyra Fucus Laminaria
2. Porphyra Dictyota Laminaria Fucus Polyspiphonia
3. Dictyota Polysiphonia Porphyra Laminaria Fucus
4. Fucus Porphyra Dictyota Polysiphonia  Laminaria
Subtopic:  Chlorophyceae: Green Algae: I | Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Chlorophyceae: Green Algae |
 74%
From NCERT
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Which one is wrongly matched?
1. Uniflagellate gametes - Polysiphonia
2. Biflagellate zoospores - Brown algae
3. Gemma cups - Marchantia
4. Unicellular organism - Chlorella
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 82%
From NCERT
NEET - 2018
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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 |
 83%
From NCERT
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Floridian starch has structure similar to :

1. Amylopectin and glycogen

2. Mannitol and algin

3. Laminarin and cellulose

4. Starch and cellulose

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 80%
From NCERT
NEET - 2020
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Which of the following is not true about red algae?

1. Predominance of r-phycoerythrin in their body

2. Majority of them are found in colder areas

3. The red thalli of most of the red algae are
multicellular

4. The food is stored as floridean starch

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 89%
From NCERT
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Phycoerythrin is the major pigment in :

(1) Red algae

(2) Blue-green algae

(3) Green algae

(4) Brown algae

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 91%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
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