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NTA Abhyas NEET2020BotanyAnimal KingdomPractice

Which one of the following features is common to cockroach, earthworm and mosquito?

Options

  1. APresence of chitinous exoskeleton
  2. BPresence of jointed appendages
  3. CPresence of two pair of wings
  4. DPresence of schizocoelom as a true coelom

Correct answer

D. Presence of schizocoelom as a true coelom

Step-by-step solution

The chitinous exoskeleton, jointed appendages and two pairs of wings are characteristic features of class Insecta of Arthropoda (examples: cockroach and mosquito). Earthworm belongs to Annelida in which first-time true coelom appeared, called schizocoelom. This type of coelom is present in Arthropoda and Mollusca also.

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