Biology - Single MCQs (Page 229)

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Q2281. Which of the following is a segmentally arranged excretory system?...Q2282. Malphighian tubules absorb waste materials and salts from?...Q2283. Which of the following excretory structure is associated with gut of the organis...Q2284. Nephrostome in earthworm opens in?...Q2285. Protonephridia are present in?...Q2286. The main nitrogenous waste formed in the body of earthworm is/are?...Q2287. The distal blind end of the malpighian tubules bathes freely in ?...Q2288. Which of the following openings have cilia?...Q2289. The nephridia of earthworm open into the coelom by?...Q2290. Each ach nephridium of earthworm opens to the exterior by?...