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NEET Biology QUESTION #7251
Question 1
If you are asked to classify various algae into distinct groups, which of the following characters would you choose?
  • Chemical composition of the cell wall
  • Types of pigments present in the cell✔️
  • Nature of stored food materials in the cell
  • Structural organization of thallus
Correct Answer Explanation
Algae are primarily classified based on their photosynthetic pigments. For example: Chlorophyceae (green algae) have chlorophyll a and b; Phaeophyceae (brown algae) have fucoxanthin; Rhodophyceae (red algae) have phycoerythrin. Pigment composition is the most reliable and universally used criterion.