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Solution of Chapter 19. Excretory Products and their Elimination (Biology NCERT Book)
NCERT Questions
1
Define Glomerular Filtration Rate (GFR)
2
Explain the autoregulatory mechanism of GFR.
3
Name the following:(a) A chordate animal having flame cells as excretory structures(b) Cortical portions projecting between the medullary pyramids in the human kidney(c) A loop of capillary running parallel to the Henle’s loop.
4
Give a brief account of the counter current mechanism.
5
Describe the role of liver, lungs and skin in excretion.
6
Explain micturition
7
What is meant by the term osmoregulation?
8
Terrestrial animals are generally either ureotelic or uricotelic, not ammonotelic, why?
9
What is the significance of juxta glomerular apparatus (JGA) in kidney function?