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Q. No.Which of the following is responsible for peat formation?
1. Marchantia
2. Riccia
3. Funaria
4. Sphagnum
Subtopic: bryophyte (mosses) |
84%
From NCERT
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: Algae | Chlorophyceae: Green Algae: I | Chlorophyceae: Green Algae: II | Chlorophyceae: Green Algae: III |
86%
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 |
79%
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: Algae |
87%
From NCERT
AIPMT - 2013
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Select the wrong statement:
| 1. | Anisogametes differ either in structure, function or behaviour |
| 2. | In Oomycetes, the female gamete is smaller and motile, while the male gamete is larger and non-motile |
| 3. | Chlamydomonas exhibits both isogamy and anisogamy and Fucus shows oogamy |
| 4. | Isogametes are similar in structure, function and behaviour |
Subtopic: Algae |
79%
From NCERT
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 heterosporous |
| 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 |
57%
From NCERT
AIPMT - 2013
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Cycas and Adiantum resemble each other in having:
1. Seeds
2. Motile sperms
3. Cambium
4. Vessels
Subtopic: Pteridophytes: Heterospory | General Accounts of Gymnosperms: II | Gymnosperms |
AIPMT - 2012
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Which one of the following is the correct statement?
| 1. | Pteridophyte gametophyte has a protonemal and leafy stage |
| 2. | In gymnosperms, female gametophyte is free-living |
| 3. | Antheridiophores and protonema are present in pteridophytes |
| 4. | Origin of seed habit can be traced in pteridophytes |
Subtopic: Pteridophytes |
74%
From NCERT
AIPMT - 2012
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Compared with the gametophytes of the bryophytes, the gametophytes of vascular plants tends to be:
1. larger but to have smaller sex organs
2. larger and to have large sex organs
3. smaller and to have smaller sex organs
4. smaller but to have larger sex organs
1. larger but to have smaller sex organs
2. larger and to have large sex organs
3. smaller and to have smaller sex organs
4. smaller but to have larger sex organs
Subtopic: Pteridophytes: Heterospory |
AIPMT - 2011
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The gametophyte is not an independent, free-living generation in:
1. Adiantum
2. Marchantia
3. Pinus
4. Polytrichum
1. Adiantum
2. Marchantia
3. Pinus
4. Polytrichum
Subtopic: Gymnosperms: I | Gymnosperms |
81%
From NCERT
AIPMT - 2011
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