In which organ is urine formed?
Answer and explanation
Correct answer: Kidneys
The governing concept is urine formation in the human excretory system. Blood enters the kidneys, where nephrons filter small molecules and then selectively reabsorb much of the water and useful solutes. The remaining fluid, containing wastes and excess substances, becomes urine and passes into collecting ducts. Thus option A is correct. The heart pumps blood, the liver performs metabolic and detoxification functions, and the mouth begins digestion; none of these is the primary site of urine formation.
Frequently asked questions
What is the correct answer to this question?
Kidneys
Why is this the correct answer?
The governing concept is urine formation in the human excretory system. Blood enters the kidneys, where nephrons filter small molecules and then selectively reabsorb much of the water and useful solutes. The remaining fluid, containing wastes and excess substances, becomes urine and passes into collecting ducts. Thus option A is correct. The heart pumps blood, the liver performs metabolic and detoxification functions, and the mouth begins digestion; none of these is the primary site of urine formation.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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