Excretory Products and their Elimination — Practice Quiz
CBSE · Class 11 · Biology
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0/4Tap an answer to check it instantly. No sign-up needed for these 4.
What is the most toxic form of nitrogenous waste?
Which animals are typically ammonotelic?
What is the functional unit of the kidney called?
Which hormone helps in water reabsorption?
Sample Questions
What is the average amount of urine an adult human excretes per day?
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1-1.5 liters
An adult human typically excretes 1 to 1.5 liters of urine per day.
Which part of the nephron is primarily responsible for reabsorption?
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Proximal Convoluted Tubule
The Proximal Convoluted Tubule (PCT) reabsorbs nearly all essential nutrients and 70-80% of electrolytes and water.
What is the process of urine release called?
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Micturition
Micturition is the neural mechanism and process of releasing urine from the urinary bladder.
Which organ helps eliminate CO2 from the body?
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Lungs
Lungs remove large amounts of CO2, approximately 200 mL per minute.
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Sources & Official References
- NCERT Official — ncert.nic.in
- CBSE Academic — cbseacademic.nic.in
- CBSE Official — cbse.gov.in
- National Education Policy 2020 — education.gov.in
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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