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प्रश्न
In one of the following organisms, the gaseous exchange during respiration does not take place through cell membrane/skin. This organism is:
(a) Electric eel
(b) Leech
(c) Earthworm
(d) trachea
उत्तर
(a) Electric eel
lectric eel respires through gills. Leech and earthworm respire through their skin.
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