MCQ
Choose correct group which concern with any one system in cockroach and frog.
  • Spiracles, lungs, trachea, circular muscles, nostrils.
  • B
    Ostia, sinus venous, cloaca, anal circus
  • C
    Fallopian tube, ovary, stomach, skin, appendages, mouth parts.
  • D
    Ganglia, eyes, brain liver, testis, bifid tongue

Answer

Correct option: A.
Spiracles, lungs, trachea, circular muscles, nostrils.
a

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