2. Which of the following statements is true about Mytilus? (a) Mytilus belongs to class Arthropoda of phylum Mollusca (b) Mytilus belongs to class Amphineura of phylum Mollusca (c) Mytilus belongs to class Pelecypoda of phylum Mollusca (d) Mytilus belongs to class Echinodermata of phylum Mollusca
Answer: Mytilus belongs to class pelecypoda of phylum Mollusca. Explanation: Mollusca is the Animal kingdom's second most populous phylum.
