Questions and Answers
Which of the following forms a motile colony?
Which of these algae is known as pond silk?
Which unicellular alga is motile and flagellated?
In which alga was the Calvin Cycle (C3 cycle) discovered?
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Which of the following algae is known as pond weed?
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Study Notes
Most Advanced Algae
- Ancestors of the plant kingdom
Reproduction
- Asexual reproduction occurs through zoospores, aplanospores, and hypnospores
- Sexual reproduction is classified into three types: isogamous, anisogamous, and oogamous
Forms of Algae
- Algae can be unicellular, filamentous, colonial, or parenchymatous
Unicellular Algae
- Chlamydomonas: characterized by motility, flagella, and variation in sexual reproduction
- Chlorella: non-motile, lacks flagella, and is rich in proteins
- Chlorella is used as food for space travelers and is the organism in which the Calvin Cycle (C3 cycle) was discovered
- It is a source of chlorophylls and antibiotics
- Chlorella is also known for its umbrella-shaped cells and is sometimes referred to as the "umbel plant"
- Hamerling experiments were conducted on Chlorella
Colonial Algae
- Colonial algae consist of a fixed number of cells in a colony, known as a coenobium
- Volvox: a motile colony
- Hydrodictyon: a non-motile colony
Filamentous Algae
- Cells are arranged to form filaments
- Spirogyra: also known as "pond silk"
- Ulothrix: also known as "pond weed"
Parenchymatous or Thalloid Algae
- Ulva: an example of a parenchymatous algae
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Description
Learn about the ancestors of plant kingdom, types of algae reproduction, and characteristics of unicellular algae such as Chlamydomonas and Chlorella. This quiz covers the various forms of algae, including filamentous, colonial, and parenchymatous.
