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प्रश्न
With regards to toxicity and the need for dilution in water, how different are ureotelic and uricotelic excretions? Give examples of animals that use these types of excretion?
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उत्तर
Ureotelic animals excrete urea with minimum loss of water, e.g., Mammals and terrestrial amphibians. Uricotelic animals excrete uric acid with the least loss of water, e.g., Birds and reptiles.
संबंधित प्रश्न
Define the Glomerular Filtration Rate (GFR).
Explain the autoregulatory mechanism of GFR.
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Filtration of excretory wastes from the blood occurs in:
Fill in the blank :
The unit of human kidney is called .....................
What is meant by osmoregulation?
Define the following term:
Ultrafiltration
Give Reasons for the following:
As a result of ultrafiltration along with excretory products certain useful products like glucose, salt, etc. are also filtered but these are not excreted?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Sometimes urine may contain certain excess vitamins.
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Glomerular filtration occurs under pressure on the blood as a result of systolic pressure of the heart.
Multiple Choice Question: Ultrafiltration occurs in:
Multiple Choice Question: In the Bowman’s capsule:
Choose the correct option.
Tubular secretion does not take place in ______.
Which segment is the site of secretion and regulated reabsorption of ions and pH homeostasis?
Aldosterone acts at the distal convoluted tubule and collecting duct resulting in the absorption of water through ______.
Identify the biological term
Consists of the kidneys, ureters and bladder.
Identify the biological term
Removal of useful substances from glomerular filtrate.
What is tubular secretion? Name the substances secreted through the renal tubules.
The pH of human urine is approximately ______.
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
