Which of the following has non flagellated male and female gametes?

  1. Fucus
  2. Spirogyra
  3. Ulothrix
  4. Volvox
Subtopic:  Algae |
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Isogamous means

  1. Both the gametes are equally motile
  2. Both the gametes are unequal in terms of motility
  3. Both the gametes are similar in size
  4. All of these
Subtopic:  Algae |
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Anisogamous

  1. Gametes dissimilar in size
  2. Gametes are similar in size but not in motility
  3. Gametes are similar in motility but not in size
  4. Gametes are similar in size and motility
Subtopic:  Algae |
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Oogamous

  1. Non-motile male gamete
  2. Large male gamete
  3. Non-motile female gamete
  4. Small female gamete
Subtopic:  Algae |
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Which of the following is an example of anisogamous reproduction in Algae?

  1. Eudorina
  2. Volvox
  3. Fucus
  4. Spirogyra
Subtopic:  Algae |
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Which of the following is an example of oogamous reproduction?

  1. Spirogyra
  2. Ulothrix
  3. Eudorina
  4. Volvox
Subtopic:  Algae |
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Which of the following is an example of isogamous reproduction?

  1. Ulothrix
  2. Eudorina
  3. Volvox
  4. Fucus
Subtopic:  Algae |
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Which of the following is an example of oogamous reproduction?

  1. Ulothrix
  2. Eudorina
  3. Spirogyra
  4. Fucus
Subtopic:  Algae |
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Algae are useful

  1. Because at least half of the total carbon dioxide fixation on Earth is carried out by algae through photosynthesis.
  2. Algae being photosynthetic can increase the level of dissolved oxygen in their immediate environment
  3. They are primary producers of energy rich compounds and form the basis of the food cycles of all aquatic animals
  4. All of the above
Subtopic:  Algae |
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Hydrocolloid is

  1. Water soluble substance
  2. Water holding substance
  3. Hydrogen gas containing substance
  4. Oxygen gas containing substance
Subtopic:  Algae |
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