Protonema is
1. Haploid and is found in mosses
2. Diploid and is found is liverworts
3. Diploid and is found in pteridophytes
4. Haploid and is found in pteridophytes

Subtopic:  Bryophytes |
 84%
From NCERT
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The giant Redwood tree (Sequoia sempervirens) is a/an

1. Angiosperm 2. Free fern
3. Pteridophyte 4. Gymnosperm
Subtopic:  Gymnosperms |
 85%
From NCERT
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The dominant generation in a fern is the:
1. gametophyte
2. haploid
3. sporophyte
4. haplont

Subtopic:  Algae | Pheophyceae: Brown Algae | Rhodophyceae: Red Algae and Importance of Algae | Bryophytes | Pteridophytes |
 78%
From NCERT
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The leaf-like photosynthetic organ in brown algae is called as:
1. Holdfast
2. Stipe
3. Frond
4. Rhizoid

Subtopic:  Pheophyceae: Brown Algae |
 87%
From NCERT
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What is not true for mosses?

1. Sporophyte is less elaborate than liverworts
2. Protonema stage develops directly from a spore
3. Leafy stage develops from a secondary protonema as a lateral bud
4. They are attached to soil through multicellular and branched rhizoids
Subtopic:  Bryophytes |
 80%
From NCERT
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Antheridium of bryophytes produce _______ antherozoids.

1. Non-motile 2. Uni-flagellate
3. Biflagellate 4. Ciliate
Subtopic:  Bryophytes |
 85%
From NCERT
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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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