Identify the incorrect statement regarding green algae:
1. Major pigments are chlorophyll a and b
2. Stored food is floridean starch
3. Cellulosic cell wall
4. 2-8, equal and apical flagellar insertions

Subtopic:  Algae |
 85%
From NCERT
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How many of the given features will be true for brown algae:

I. Presence of xanthophylls
II. A gelatinous coating of algin on cell wall
III. A centrally placed vacuole in plastids
IV. Ribbon shaped biflagellate zoospores

1. 1 2. 2
3. 3 4. 4
Subtopic:  Algae |
From NCERT
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Artificial systems of classification give equal weightage to vegetative and sexual characteristics which is not acceptable because:
1. Only the sexually characters are genetically determined
2. Vegetative characters are more easily affected by environment
3. Sexual characters are not easily observable in living beings
4. Vegetative reproduction is equally common as sexual reproduction

Subtopic:  Classification System |
 83%
From NCERT
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Which of the following is not an example of red algae?
1. Polysiphonia
2. Porphyra
3. Gracilaria
4. Laminaria

Subtopic:  Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae |
 88%
From NCERT
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What is the function of the gemmae produced by some liverworts?
1. a water gathering structure
2. a light gathering structure
3. a sexual structure
4. an asexual structure

Subtopic:  Bryophytes | Bryophytes (Liverworts) |
 82%
From NCERT
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The life cycle of Ectocarpus, Polysiphonia and kelps is:
1.Diplontic
2.Haplontic
3.Aplantic
4.Haplo-diplontic

Subtopic:  Life Cycle Patterns in Plants (OLD NCERT) |
 82%
From NCERT
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Bryophytes are attached to the substratum by rhizoids that are:

1. Unicellular 2. Multicellular
3. Acellular 4. Unicellular or multicellular
Subtopic:  Bryophytes |
 67%
From NCERT
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Sexual reproduction takes place through flagellated gametes that are similar in size in:
1. Ulothrix
2. Spirogyra
3. Volvox
4. Fucus

Subtopic:  Algae | Chlorophyceae: Green Algae |
 73%
From NCERT
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Ecologically important first colonizers of rocks are:

1. Lichens 2. Algae
3. Gymnosperms 4. Angiosperms
Subtopic:  Bryophytes |
 91%
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 |
 77%
From NCERT
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