Question Detail
Question
Filamentous algae can be either unbranched or branched. Which pair of genera represents examples of unbranched filamentous algae according to the document?
Correct Answer
Option A is the correct answer.
Detailed Explanation
Page 8 explicitly states: 'Filaments can be unbranched (Oscillatoria, Spirogyra) or branched (Stigeoclonium, Bulbochaete)'.
Hint
Refer to the filamentous algae section and distinguish between the examples for unbranched versus branched types on page 8.