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प्रश्न
How is urea formed in the human body?
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उत्तर
More toxic ammonia produced as a result of breakdown of amino acids is converted into less toxic urea in the liver by a cyclic process called Ornithine cycle.
संबंधित प्रश्न
Put a tick mark (✓) against the most appropriate alternative in the following statement :
Filtration of excretory wastes from the blood occurs in:
What is meant by osmoregulation?
Differentiate between
bowman’s capsule and glomerulus.
One of the following sets of body parts or substances or processed, pick out the one item which overall includes the remaining foir.
ADH, Water, pituitary, osmoregulation, urine
Write down the functional activity of the following parts,
Urethra ……………………
Give the working of the nephron.
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?
Differentiate between Afferent arteriole and Efferent arteriole.
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 any two vital functions of human kidney
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
When a molecule or ion is reabsorbed from the lumen of the nephron, where does it go? If a solute is filtered and not reabsorbed from the tubule, where does it go?
The end product of Ornithine cycle is ______.
Identify the biological term
A liquid which gathers in the bladder.
Identify the biological term
Each contains a glomerulus.
Identify the biological term
Regulation of water and dissolved substances in blood and tissue fluid.
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?
Which part of the nephron allows the selective reabsorption of useful substances like glucose, amino acids, salts and water into the blood capillaries?
Sort the following into actively or passively transported substances during reabsorption of GFR.
glucose, amino acids, nitrogenous wastes, Na+, water
The composition of glomerular filtrate and urine is not same. Comment.
