Class Diplopoda includes

• (a) Centipedes
• (b) Bipeds
• (c) Millipedes
• (d) Quadrupeds

The Class Diplopoda is primarily known for its members that are commonly referred to as millipedes. These creatures are characterized by their elongated bodies and numerous segments, each typically bearing two pairs of legs. Let's clarify the options you provided:

Options Explained

• Centipedes: Belong to a different class called Chilopoda.
• Bipeds: This term refers to organisms that walk on two legs, not applicable here.
• Millipedes: Correctly classified under Diplopoda.
• Quadrupeds: Refers to four-legged animals, not related to Diplopoda.

In summary, the correct answer is (c) Millipedes, as they are the only group listed that belongs to the Class Diplopoda.