Which of the following algae contains mannitol as reserve food material?

1. Volvox 2. Ulothrix
3. Ectocarpus 4. Gracilaria

Subtopic:  Pheophyceae: Brown Algae |
 80%
From NCERT
NEET - 2021
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Which of the following algae produce Carrageen?

1. Red algae 2. Blue-green algae
3. Green algae 4. Brown algae
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 84%
From NCERT
NEET - 2021
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Gemmae are present in:

1. Some Gymnosperms

2. Some Liverworts

3. Mosses

4. Pteridophytes

Subtopic:  Bryophytes (Liverworts) |
 79%
From NCERT
NEET - 2021
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Genera like Selaginella and Salvinia produce two kinds of spores. Such plants are known as

1. Homosporous 2. Heterosporous 
3. Homosorus 4. Heterosorus
Subtopic:  Pteridophytes: Heterospory |
 92%
From NCERT
NEET - 2021
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Cycas have two cotyledons but are not included in angiosperms because of:
1.  Naked ovules
2.  Seeds like monocot
3.  Circinate ptyxis
4.  Compound leaves

Subtopic:  Examples of Gymnosperms |
 92%
From NCERT
AIPMT - 2001
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Which one of the following pairs of plants are not seed producers:

1. Fern and Funaria

2. Funaria and Ficus

3. Ficus and Chlamydomonas

4. Punica and Pinus

Subtopic:  Bryophytes | Pteridophytes |
 53%
From NCERT
AIPMT - 2003
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Sexual reproduction in Spirogyra is an advanced feature because it shows:
1. Different sizes of motile sex organs
2. Same size of motile sex organs
3. Morphologically different sex organs
4. Physiologically differentiated sex organs

Subtopic:  Chlorophyceae: Green Algae: II |
From NCERT
AIPMT - 2003
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NEET 2023 - Target Batch - Aryan Raj Singh
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A student observed algae with chlorophyll 'a', 'd', and phycoerythrin. It should belong to:

1. Phaeophyta 2. Rhodophyta
3. Chlorophyta 4. Bacillariophyta
Subtopic:  Algae |
 93%
From NCERT
AIPMT - 2000
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Which of the following plants produces seeds but not flowers:
1. Maize
2. Mint
3. Peepal
4. Pinus

Subtopic:  Examples of Gymnosperms |
 86%
From NCERT
AIPMT - 2002
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In ferns, Meiosis takes place at the time of:

1. Spore formation

2. Spore germination

3. Gamete formation

4. Antheridia and archegonia formation

Subtopic:  Pteridophytes |
 72%
From NCERT
AIPMT - 2000
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NEET 2023 - Target Batch - Aryan Raj Singh
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