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Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBody Fluids and Circulation1 Mark
MCQ
An open circulatory system occurs in:
  • A
    Man
  • B
    Reptiles
  • C
    Animals
  • D
    Insects
✓

Answer

  1. Insects

Explanation:

Open circulatory system occurs in invertebrate animals such as arthropods (e.g. insects, spiders, a abs and lobsters) and most molluscs (e.g. snails, oysters and clams).

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