Read the following five statements (I to V) and select the option with all correct statements. 
I. Mosses and lichens are the first organisms to colonise a bare rock. 
II. Selaginella is a homosporous pteridophyte. 
III. Coralloid roots in Cycas have VAM. 
IV. Main plant body in bryophytes is gametophytic, whereas in pteridophytes it is sporophytic. 
V. In gymnosperms, male and female gametophytes are present within sporangia located on sporophyte.
1. I, III and IV
2. II, III and IV
3. I, IV and V
4. II, III and V

Subtopic:  Bryophytes | Pteridophytes | Gymnosperms |
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In which of the following gametophyte is not independent free-living?
1. Funaria
2. Marchantia
3. Pteris
4. Pinus

 

Subtopic:  Gymnosperms: I | Life Cycle Patterns in Plants | Gymnosperms |
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Which one of the following statements is wrong?
1. Algin and carrageenan are products of algae
2. Agar-agar is obtained from Gelidium and Gracilaria
3. Chlorella and Spirulina are used as space food
4. Mannitol is stored food in Rhodophyceae

 

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
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Male gametes are flagellated in
1. Polysiphonia
2. Anabaena
3. Ectocarpus
4. Spirogyra

 

Subtopic:  Pheophyceae: Brown Algae |
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Which one of the following shows isogamy with non-flagellated gametes?

1. Sargassum

2. Ectocarpus

3. Ulothrix

4. Spirogyra

Subtopic:  Algae |
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Which one of the following is wrong about Chara?

1. upper oogonium and lower round antheridium

2. Globule and nucule present on the same plant

3. Upper antheridium  and lower oogonium

4. Globule is male reproductive structure

Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
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Which of the following is responsible for peat formation?

1. Marchantia

2. Riccia

3. Funaria

4. Sphagnum

Subtopic:  Bryophytes (Liverworts) | Bryophytes (Anthoceropsida) |
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An alga which can be employed as food for human beings :

1. Ulothrix

2. Chlorella

3. Spirogyra

4. Polysiphonia

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
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Besides paddy fields, cyanobacteria are also found inside vegetative part of:
 
1. Cycas
 
2. Equisetum
 
3. Psilotum
 
4. Pinus

 

Subtopic:  Gymnosperms: I | Gymnosperms |
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Isogamous condition with non-flagellated gametes is found in
 
1. Spirogyra
 
2. Volvox
 
3. Fucus
 
4. Chlamydomonas
Subtopic:  Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
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