Which of the following statement is correct?

1. Ovules are not enclosed by the ovary wall in gymnosperms.
2. Selaginella is heterosporous, while Salvinia is homosporous.
3. Horsetails are gymnosperms.
4. Stems are usually unbranched in both Cycas and Cedrus.

Subtopic:  Gymnosperms: I | Gymnosperms |
 81%
From NCERT
NEET - 2018
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Which one is wrongly matched?
1. Uniflagellate gametes - Polysiphonia
2. Biflagellate zoospores - Brown algae
3. Gemma cups - Marchantia
4. Unicellular organism - Chlorella
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 83%
From NCERT
NEET - 2018
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In bryophytes and pteridophytes, transport of male gametes requires?

1. insects 2. birds
3. water 4. wind
Subtopic:  Bryophytes | Pteridophytes |
 92%
From NCERT
NEET - 2016
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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 | Gymnosperms |
 74%
From NCERT
NEET - 2015
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Male gametes are flagellated in:
1. Polysiphonia
2. Anabaena
3. Ectocarpus
4. Spirogyra

Subtopic:  Pheophyceae: Brown Algae |
 71%
From NCERT
NEET - 2015
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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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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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Mannitol is a sugar alcohol. It is as stored food in:

1.  Fucus
2.  Gracillaria
3.  Chara
4.  Porphyra

Subtopic:  Pheophyceae: Brown Algae |
 86%
From NCERT
AIPMT - 2011
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Archegoniophore is present in:
1.  Chara
2.  Adiantum
3.  Funaria
4.  Marchantia
Subtopic:  Bryophytes (Liverworts) |
 82%
From NCERT
AIPMT - 2011
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Mannitol is the stored food in:
1. Chara
2. Porphyra
3. Fucus
4. Gracillaria

Subtopic:  Pheophyceae: Brown Algae |
 89%
From NCERT
AIPMT - 2009
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