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Which of the following structures is correctly matched with its description ?A. Septal nephridia and - Both are exonephricB. Typhlosole - Helps in grinding the soil particles and decaying leavesC. Sensory system - Possesses light and touch receptors in earthwormD. Gizzard - Internal median fold present in the dorsal wall of the intestine of earthworm |
Answer» Correct Answer - C (i) Septal nephridia and pharyngeal nephridia - Both are enteronephric (ii) Typhlosole - Internal median fold present in the dorsal wall of the intestine of earthworm, meant to increase the absoption surface area. (iii) Gizzard - Help in grinding the soil particles and decaying leaves. |
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