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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
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 :
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 :
Evaporation of sweat from the skin surface has ............... effect.
State if the following statement is true or false. Correct the statement if it is false.
The Bowman’s capsule and glomerulus together form the Malpighian body.
Fill in the blank.
........................ is found in the seeds of poppy plants.
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 ……………………
Write the functional activity of the following structure: Bowman’s capsule
Multiple Choice Question: In the Bowman’s capsule:
Answer the following question.
Effective filtration pressure was calculated to be 20 mmHg; where glomerular hydrostatic pressure was 70 mm of Hg. Which other pressure is affecting the filtration process? How much is it?
What forces promote glomerular filtration? What forces opposes them? What is meant by net filtration pressure?
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.
Concentration of urine depends upon which part of the nephron
The end product of Ornithine cycle is ______.
Identify the biological term
Produced when blood is filtered in a Bowman’s capsule.
Identify the biological term
A ball of inter twined capillaries.
Identify the biological term
Carry urine from the kidneys to the bladder.
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?
