Excretory System
Excretory System is a Science & Technology concept from the MPSC syllabus, tested in 3 past MPSC questions (2013, 2016, 2019). Below are those real questions with their correct answers and explanations, plus the concepts worth being comfortable with first.
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सामान्यतः किडनीमधून खालीलपैकी कशाचे गाळण होत नाही ? / Generally through kidney which of the following is not filtered ?
During ultrafiltration in the kidneys, large molecules like blood proteins and formed elements (blood cells) are normally not filtered out.
मानवाच्या शरीरातील नेफ्रॉन्स मध्ये युरीन बनविण्याचा योग्य घटनाक्रम कोणता ? In the nephron of man, what is the correct sequence of urine formation ?
Urine formation in nephrons involves three main steps: Glomerular filtration (ultrafiltration), Selective reabsorption, and Tubular secretion.
एका मिनिटात मूत्रपिंडातून किती रक्त वाहते ? How much blood flows through the kidneys per minute ?
Approximately 1 to 1.2 litres of blood flows through the human kidneys per minute, which accounts for roughly 20-25% of the cardiac output.