Human Excretion System MCQs Q21–30 Solved Mixed MCQ Types O & A Level Biology

This video continues our Human Excretion System MCQs series and covers Questions 21 to 30, featuring a variety of MCQ types commonly asked in Cambridge O Level and A Level Biology past papers. 📌 Types of MCQs Covered Concept-based MCQs Data-based & reasoning questions Function and structure MCQs “Which statement is correct?” type Application-based MCQs from past papers These questions will help you: ✔ Strengthen core concepts ✔ Improve logical thinking ✔ Handle unfamiliar MCQs confidently ✔ Prepare effectively for exams 📚 Syllabus Covered: Cambridge O Level Biology (5090) Cambridge International AS & A Level Biology (9700) 🎯 Learning Outcomes After watching this video, students will be able to: Apply kidney and nephron concepts to new MCQs Analyze and solve reasoning-based questions Identify correct statements related to excretion Answer mixed-type MCQs under exam conditions 🧠 Sample MCQs (Mixed Types) 21. Which process occurs in the glomerulus? A. Selective reabsorption B. Ultrafiltration ✅ C. Osmoregulation D. Secretion 22. Which substance requires energy for reabsorption in the kidney? A. Urea B. Water C. Glucose ✅ D. Sodium chloride 23. Which row correctly matches the structure with its function? A. Bowman’s capsule – selective reabsorption B. Loop of Henle – urine transport C. Proximal convoluted tubule – reabsorption of glucose ✅ D. Collecting duct – ultrafiltration 24. Which change increases the concentration of urine? A. Decreased ADH secretion B. Increased water intake C. Increased ADH secretion ✅ D. Increased blood glucose 25. Which statement about urea is correct? A. It is produced in the kidney B. It is filtered and partially reabsorbed ✅ C. It is completely reabsorbed D. It is not found in urine human excretion mcqs kidney mcqs o level kidney mcqs a level mixed biology mcqs excretion past paper questions cambridge biology mcqs learn with miss sehrish If this video helped you, LIKE 👍 and SUBSCRIBE 🔔 to Learn with Miss Sehrish for more past paper MCQs and exam-focused Biology lessons. 📤 Share this video with friends preparing for O Level & A Level Biology. 💬 Comment below if you want Q31–40, answers with explanations, or rapid revision shorts. ✨ Learn with Miss Sehrish – Your exam partner for Biology success!