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प्रश्न
The composition of glomerular filtrate and urine is not same. Comment.
उत्तर
Ammonia is a highly toxic substance and there is a need for plenty of water to remove ammonia from the body. In aquatic habitats, the availability of water is not a problem. Hence, aquatic animals are usually ammonotelic i.e. ammonia excreting animals. But the availability of water is an issue in terrestrial habitats. Hence, terrestrial animals do not show ammonotelism but rather show ureotelism or uricotelism habit.
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संबंधित प्रश्न
Explain the process of formation of urine with suitable diagram
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Besides water, the urine mainly contains :
Define the following:
Dialysis
What is meant by osmoregulation?
Write the functional activity of the following structure: Bowman’s capsule
Mention any two vital functions of human kidney
Concentration of urine depends upon which part of the nephron
Identfiy the biological term
Temporary storage of urine.
What is tubular secretion? Name the substances secreted through the renal tubules.
Name the following:
Three stages of urine formation.
