Question : Which of the following is not among the main classes of algae?
Option 1: Chlorophyceae
Option 2: Rhodophyceae
Option 3: Phaeophyceae
Option 4: Gymnosperms
Correct Answer: Gymnosperms
Solution : The correct option is Gymnosperms .
Algae are photosynthetic creatures that include green (Chlorophyceae), brown (Phaeophyceae), and red (Rhodophyceae) algae, as well as diatoms, dinoflagellates, cyanobacteria (blue-green algae), and others that are ecologically and industrially important. Gymnosperms are a prominent division of the Plant kingdom that bears 'naked seed'. They include conifers, cycads, and ginkgoes and typically have exposed seeds on cones or similar structures.
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