Homeostasis in Humans – 25 Most Important and Repeated MCQs with Answers Homeostasis is the process through which the human body maintains a stable internal environment despite changes in the external environment. It involves excretion, osmoregulation, temperature regulation, and hormonal balance . For exam preparation (like MDCAT, PPSC, and other biology tests), here are 25 most important and repeated MCQs on Homeostasis in Humans with answers. MCQs on Homeostasis in Humans 1. The process of maintaining a stable internal environment in the body is called: a) Metabolism b) Homeostasis c) Assimilation d) Anabolism ➡️ Answer: b) Homeostasis 2. The functional unit of the kidney is: a) Alveolus b) Nephron c) Neuron d) Bowman’s capsule ➡️ Answer: b) Nephron 3. Which organ plays the main role in excretion of nitrogenous waste? a) Liver b) Lungs c) Kidney d) Skin ➡️ Answer: c) Kidney 4. In humans, urea is formed in the: a) Kidney b) Liver c) Lungs d) Hear...
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