NCERT Solutions for Class 11 Biology Chapter 19
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NCERT Grade 11 Biology Chapter 19, Excretory Products and their Elimination is from Unit 5, Human Physiology. Animals accumulate ammonia, urea, uric acid, carbon dioxide, water and ions like Na+, K+, Cl–, phosphate, sulphate, etc., either by metabolic activities or by other means like excess ingestion. These substances have to be removed totally or partially. In this chapter, students will learn the mechanisms of elimination of these substances with special emphasis on common nitrogenous wastes.
Human Excretory System, Urine Formation, Function of the Tubules, Mechanism of Concentration of the Filtrate, Regulation of Kidney Function, Micturition, Role of other Organs in Excretion and Disorders of the Excretory System are the major topics discussed in this chapter. Excretion in different animals, structure, location and function of kidneys in humans, three-step detailed processes of urine formation, accessory excretory organs and disorders of the excretory system such as uremia, kidney stone, kidney failure, etc. are discussed in this chapter. NCERT Grade 11 Biology, Chapter 19, Excretory Products and their Elimination is a part of Unit 5, Human Physiology. Unit 5 is a combination of 7 chapters and holds a total weightage of 20% in the NEET examination and 18 marks in the final examination.
Get 100 percent accurate CBSE NCERT Solutions for Class 11 Biology Chapter 19 (Excretory Products and their Elimination) solved by expert Biology teachers. We provide solutions for questions given in Class 11 Biology text-book as per CBSE Board guidelines from the latest NCERT book for Class 11 Biology. The topics and sub-topics in Chapter 19 Excretory Products and their Elimination are given below.
EX 19.1 - Human Excretory System
EX 19.2 - Urine Formation
EX 19.3 - Function of the Tubules
EX 19.4 - Mechanism of Concentration of the Filtrate
EX 19.5 - Regulation of Kidney Function
EX 19.6 - Micturition
EX 19.7 - Role of other Organs in Excretion
EX 19.8 - Disorders of the Excretory System.
We cover all exercises in the chapter given below:-
Chapter 19 Exercises - 12 Questions with Solutions.
Other than given exercises, you should also practice all the solved examples given in the book to clear your concepts on Excretory Products and their Elimination. Download the free PDF of Chapter 19 Excretory Products and their Elimination and take the print out to keep it handy for your exam preparation.