Which of the following groups of algae produces algin?

1. Phaeophyceae and Chlorophyceae
2. Rhodophyceae and Phaeophyceae
3. Chlorophyceae and Rhodophyceae
4. Phaeophyceae only

Subtopic:  Pheophyceae: Brown Algae |
 84%
Level 1: 80%+
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Pick the correct group consisting of all genera exhibiting homospory.

1.  Lycopodium, Psilotum, Selaginella, Equisetum
2. Equisetum, Pteris, Salvinia, Psilotum
3. Salvinia, Pteris, Lycopodium, Selaginella
4. Equisetum, Psilotum, Lycopodium, Pteris
Subtopic:  Pteridophytes |
 85%
Level 1: 80%+
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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 |
 76%
Level 2: 60%+
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Read the following statements reagrding bryophytes and choose the incorrect option.
1. Gametophytic phase is dominant in life cycle

2. Fertilisation takes place in presence of water

3. Zygote undergoes meiosis to produce sporophyte

4. Sporophyte isphysiologically dependent on gametophyte

Subtopic:  Bryophytes |
 72%
Level 2: 60%+
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Phylogenetic system of classification includes

1. evolutionary trends only
2. genetic trends only
3. evolutionary trend as well as morphology
4. behavioural trends in environment
Subtopic:  Classification System: I | Classification System |
 60%
Level 2: 60%+
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Cycas is classified as a gymnosperms due to its

1. motile sperms 2. fruit formation
3. naked ovule 4. pycnoxylic wood
Subtopic:  Gymnosperms: I | Gymnosperms |
 91%
Level 1: 80%+
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Who proposed a five-kingdom classification and named kingdoms as Monera, Protista, Fungi, Plantae and Animalia?

1. Herbert Copeland

2. RH Whittaker

3. Carl Woese

4. Carolus Linnaeus

Subtopic:  Classification System: I | Classification System |
 97%
Level 1: 80%+
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Match the following selected the correct option.

Column - I   Column - II
A. Pteris (i) Gymnosperm
B. Cycas (ii) Bryophyte
C.  Sphagnum      (iii)    Algae
D. Sargassum (iv) Pteridophyta

1. A - (iv), B - (ii), C - (i), D - (iii)

2. A - (iv), B - (i), C - (ii), D - (iii)

3. A - (ii), B - (iii), C - (iv), D - (i)

4. A - (i), B - (iv), C - (iii), D - (ii)

Subtopic:  Algae | Bryophytes | Gymnosperms: I | Pteridophytes | Gymnosperms |
 88%
Level 1: 80%+
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Which of the following genera is associated with coralloid roots?

1. Cycas 2. Taxus
3. Pinus 4. Sequoia
Subtopic:  Gymnosperms: I | Gymnosperms |
 92%
Level 1: 80%+
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Match Column - I with Column - II and select the correct option from the codes given below.

Column - I   Column - II
A. Chlorophyta (i) Equisetum
B. Lycopsida (ii) Chara
C.  Phaeophyta (iii)  Selaginella
D. Sphenopsida   (iv) Ectocarpus

Codes:

1. A - (ii), B - (iii), C - (iv), D - (i)
2. A - (iv), B - (i), C - (ii), D - (iii)
3. A - (ii), B - (iii), C - (i), D - (iv)
4. A - (iv), B - (i), C - (iii), D - (ii)

Subtopic:  Algae |
 80%
Level 1: 80%+
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