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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
Draw neat and labelled diagrams of Malpighian capsule
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Besides water, the urine mainly contains :
Define the following:
Nephron
Write True (T) or False (F) for the following statement. Rewrite the false statement in the correct form.
Medulla of kidney passes urine into urinary bladder.
Fill in the blank.
........................ is found in the seeds of poppy plants.
Fill in the blank.
When air is humid, the rate of transpiration is ..................
Differentiate between Afferent arteriole and Efferent arteriole.
If the afferent arteriole of the nephron constricts, what happens to the GFR in that nephron? If the efferent arteriole constricts what happens to the GFR in that nephron? Assume that no auto regulation takes place.
The end product of Ornithine cycle is ______.
Glomerular filtrate contains ______.
Identify the biological term
Produced when blood is filtered in a Bowman’s capsule.
Identfiy the biological term
Temporary storage of urine.
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Removal of useful substances from glomerular filtrate.
Na+ excretion in the urine is reduced by secretion of ______
The osmotic pressure of blood that opposes ultrafiltration is about ______ mm Hg.
The correct path of transport of urine is ______
Minimum reabsorption occurs in ______.
Name the following:
Three stages of urine formation.
Write full form of the following abbreviation:
DCT
