The leaf-like photosynthetic organ in brown algae is called as:
1. Holdfast
2. Stipe
3. Frond
4. Rhizoid

Subtopic:  Pheophyceae: Brown Algae |
 87%
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Which of the following classes of algae store food that is chemically very similar to amylopectin and glycogen?

1. Chlorophyceae 2. Phaeophyceae
3. Rhodophyceae 4. All algae
Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 77%
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The cell wall polysaccharides of some red algae are the source of:
1. a sugar substitute
2. a source of salt
3. glucose for the study of photosynthesis
4. agar for growing bacteria and other organisms

Subtopic:  Algae |
 77%
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Oogamous sexual reproduction is seen in:

1. Ulothrix 2. Spirogyra
3. Udorina 4. Fucus
Subtopic:  Algae |
 82%
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Which of the following is not true regarding algae?
1. Thallophytes that contain chlorophyll
2. Autotrophic
3. Body made of pseudo-parenchyma
4. Cellulosic cell wall

Subtopic:  Algae |
 87%
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The gametes are pyriform and bear two laterally attached flagella in:

1. Chlorophyceae 2. Phaeophyceae
3. Rhodophyceae 4. All algae
Subtopic:  Pheophyceae: Brown Algae |
 83%
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Sexual reproduction takes place through non flagellated gametes that are similar in size in:

1. Ulothrix 2. Spirogyra
3. Volvox 4. Fucus
Subtopic:  Algae |
 80%
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Which of the following is not seen in red algae?

1. 2 unequal flagella 2. Cellulose cell wall
3. Phycoerythrin 4. Floridean starch
Subtopic:  Pheophyceae: Brown Algae |
 85%
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Which of the following would not be true regarding importance of algae?
1. They increase level of dissolved oxygen in water
2. Many can be used as food source
3. They are the source of most antibiotics known to man
4. Products like hydrocolloids [algin] and agar are useful to man

Subtopic:  Algae |
 76%
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Identify the incorrect statement regarding red algae:

1. Major pigments are chlorophyll a, c and phycocyanin
2. Stored food is floridean starch
3. Cellulosic cell wall with pectin and polysulfate esters
4. Absent flagellar insertions

Subtopic:  Rhodophyceae: Red Algae and Importance of Algae |
 83%
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