Home ยป What types of nitrogenous wastes are excreted by living organisms? Excretory System MCQs What types of nitrogenous wastes are excreted by living organisms? January 24, 2022 19 Views Q. What types of nitrogenous wastes are excreted by living organisms? A. Ammonia B. Uric acid C. Urea D. All of the above Answer: All of the above