1.

In the circulatory system of Pheretima a, b, c, and d respresent A. a - lateral hearts, b - Sub-neural vessel, c - commissural vessel, d - lateral oesophageal vesselB. a - lateral hearts, b - lateral oesophageal vessel, c- subneural vessel, d - commissural vesselC. a - lateral hearts, b - commissural vessel, c- subneural vessel, d- oesophageal vesselD. a- commissural vessels, b-lateral hearts, c - lateral oesophageal vessel, d- subneural vessel

Answer» Correct Answer - C


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