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NEET2024BotanyAnimal KingdomActual

Open Circulatory system is present in:

Options

  1. APalaemon, Nereis, Balanoglossus
  2. BHirudinaria, Bombyx, Salpa
  3. CAnopheles, Limax, Limulus
  4. DPheretima, Musca, Pila

Correct answer

C. Anopheles, Limax, Limulus

Step-by-step solution

The correct answer is option (3) as Anopheles (Arthropods), Limax (Mollusc) and Limulus (Arthropods) have an open circulatory system. Option (1) is incorrect as Nereis (Annelid) has a closed circulatory system. Option (2) is incorrect as Hirudinaria (Annelid) has a closed circulatory system. Option (4) is incorrect as Pheretima (Annelid) has a closed circulatory system. Arthropods (Palaemon, Bombyx, Musca) have an open circulatory system. Hemichordates (Balanoglossus) have an open circulatory system.

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