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 |
 91%
Level 1: 80%+
NEET - 2015
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Match List-I with List-II:
List-I List-II
(a) Chlamydomonas (i) Moss
(b) Cycas (ii) Pteridophyte
(c) Selaginella (iii) Alga
(d) Sphagnum (iv) Gymnosperm
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (iii) (i) (ii) (iv)
2. (iii) (iv) (ii) (i)
3. (iii) (ii) (i) (iv)
4. (ii) (iii) (i) (iv)
Subtopic:  Algae | Bryophytes | Pteridophytes | Gymnosperms |
 91%
Level 1: 80%+
NEET - 2022
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Hydrocolloid carrageen is obtained from:
1. Phaeophyceae only 
2. Chlorophyceae and Phaeophyceae
3. Phaeophyceae and Rhodophyceae
4. Rhodophyceae only
Subtopic:  Algae |
 74%
Level 2: 60%+
NEET - 2022
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Which one of the following is wrongly matched? 
1. Spirogyra -Motile gametes
2. Sargassum - Chlorophyll C 
3. Basidiomycetes - Puffballs 
4. Nostoc- Water blooms 
Subtopic:  Algae |
 62%
Level 2: 60%+
NEET - 2013
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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%
Level 1: 80%+
AIPMT - 2014
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Which of the following pairs is of unicellular algae?

1. Gelidium and Gracilaria

2. Anabaena and Volvox

3. Chlorella and Spirulina

4. Laminaria and Sargassum

Subtopic:  Algae |
 78%
Level 2: 60%+
NEET - 2020
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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 |
 78%
Level 2: 60%+
AIPMT - 2014
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Gametes in Spirogyra are:
1. flagellated and similar in size
2. flagellated and dissimilar in size
3. non-flagellated and dissimilar in size
4. non-flagellated and similar in size
Subtopic:  Algae |
 77%
Level 2: 60%+
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Which of the following options most accurately describes algae in general?
1. Algae are chlorophyll-bearing, thalloid, autotrophic and largely aquatic (both fresh water and marine) organisms.
2. Algae are chlorophyll-bearing, having highly differentiated body, autotrophic and exclusively found in fresh water organisms.
3. Algae are chlorophyll-bearing or parasitic heterotrophic organisms, thalloid and largely marine organisms.
4. Algae are chlorophyll-lacking, thalloid, autotrophic and largely saprophytic organisms found in both fresh and marine waters.
Subtopic:  Algae |
 94%
Level 1: 80%+
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Identify the correct match:
I: Green algae 2-8 flagella; equal in length and apical in insertion
II: Brown algae Food stored as floridean starch
III: Red algae Pear-shaped gametes bearing two laterally attached flagella
1. Only I
2. Only II and III
3. Only III
4. I, II and III
Subtopic:  Algae |
 88%
Level 1: 80%+
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