Class 11 · Biology
Excretory Products and their Elimination NEET Questions
100 verified questionsNCERT chapter mappedFree practiceAutomatic error log
Build recall in Excretory Products and their Elimination through active solving. This bank covers the complete chapter with original NEET-style MCQs, worked explanations and chapter-level NCERT provenance—without pretending original questions are previous-year questions.
Practice Excretory Products and their Elimination free →Question preview
Three examples from the live 100-question bank. Answers appear after attempting them in practice mode.
Example 1 · difficulty 1/5
Aquatic amphibians and most bony fishes are ammonotelic. The chief reason ammonia can serve as their primary nitrogenous waste is that it:
- A. is insoluble in water and can be stored harmlessly in tissues
- B. requires very little water for its elimination from the body
- C. is highly soluble in water and diffuses readily across general body surfaces
- D. is converted into urea by the liver before being excreted
Example 2 · difficulty 2/5
The glomerular filtration rate in a healthy adult is about 125 mL min⁻¹. The total volume of filtrate formed by the two kidneys in 24 hours, and the approximate fraction of it reabsorbed by the renal tubules, are respectively:
- A. 180 L and about 99%
- B. 180 L and about 70-80%
- C. 125 L and about 99%
- D. 1.8 L and about 1%
Example 3 · difficulty 3/5
During the operation of the counter current mechanism in the human kidney, the descending limb of the loop of Henle:
- A. is impermeable to water but actively transports NaCl into the medullary interstitium
- B. is permeable to water but almost impermeable to electrolytes
- C. is permeable to water and actively reabsorbs NaCl along its entire length
- D. is impermeable to both water and electrolytes, so the filtrate flows through unchanged
The chapter mastery loop
- 1. Attempt firstExpose recall gaps before rereading.
- 2. Classify the missConcept, careless, rushed or guessed.
- 3. Re-practiceReturn until the error pattern disappears.
Frequently asked questions
How many Excretory Products and their Elimination NEET questions are available?
NeetVellum publishes 100 verified questions for this chapter. Free accounts use the daily UG quota; UG Pro removes it.
How should I revise Excretory Products and their Elimination for NEET?
Attempt questions before rereading, classify each miss, revisit the exposed NCERT concept, then re-practice until the error pattern disappears.