InterviewSolution
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InterviewSolution
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In pheretima nephridia occur inA. All segmen except 1-4 and 10-14B. 1-2, 4-6, 15 to last segmentsC. Meganephridia in pre- clitellar and microphridia in post- clitellar segmentsD. Micronephridia in all segments meganephridia from clitellar region to end |
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Answer» Correct Answer - D Nephridia are absent in the first three segments and the last segment Some workers believe that all the nephridia are of micronephridia type Other consider septal nephridia to be meganephridia |
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