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Q. No.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 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 sporophytes. |
| 1. | I, III and IV | 2. | II, III and IV |
| 3. | I, IV and V | 4. | II, III and V |
Subtopic: Bryophytes | Pteridophytes | Gymnosperms |
59%
From NCERT
NEET - 2015
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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 |
88%
From NCERT
NEET - 2015
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Subtopic: Pheophyceae: Brown Algae |
71%
From NCERT
NEET - 2015
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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 |
77%
From NCERT
AIPMT - 2014
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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) |
84%
AIPMT - 2014
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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 |
85%
From NCERT
AIPMT - 2014
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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 |
76%
From NCERT
AIPMT - 2013
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Isogamous condition with non-flagellated gametes are found in:
1. Spirogyra
2. Volvox
3. Fucus
4. Chlamydomonas
Subtopic: Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
86%
AIPMT - 2013
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Monoecious plant of Chara shows the occurrence of:
| 1. | Stamen and carpel of the same plant |
| 2. | upper antheridium and lower oogonium on the same plant |
| 3. | upper ooganium and lower antheridium on the same plant |
| 4. | antheridiophore and archegoniophore on the same plant |
Subtopic: Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae |
75%
AIPMT - 2013
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Read the following statements (A-E) and answer the question which follows them.
| A. | In liverworts, mosses, and ferns gametophytes are free-living |
| B. | Gymnosperms and some ferns are hetero-sperms |
| C. | Sexual reproduction in Fucus, Volvox and Albugo is oogamous |
| D. | The sporophyte in liverworts is more elaborate than that in mosses |
| E. | Both, Pinus and Marchantia are dioecious |
How many of the above statements are correct?
1. Two
2. Three
3. Four
4. One
Subtopic: Algae | Bryophytes | Gymnosperms: I | Gymnosperms |
56%
From NCERT
AIPMT - 2013
To view explanation, please take trial in the course.
NEET 2023 - Target Batch - Aryan Raj Singh
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NEET 2023 - Target Batch - Aryan Raj Singh
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