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 |
 58%
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:  Algae | Rhodophyceae: Red Algae and Importance of Algae |
 90%
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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Which one of the following shows isogamy with non-flagellated gametes?

1. Sargassum

2. Ectocarpus

3. Ulothrix

4. Spirogyra

Subtopic:  Algae |
 79%
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:  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 |
 78%
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 |
 56%
From NCERT
AIPMT - 2013
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