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प्रश्न
Why urine is acidic while blood is alkaline?
उत्तर
The urine is acidic in nature due to secretion of acidic chemicals into the glomerular filtrate and reabsorption of alkaline substances from it.
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संबंधित प्रश्न
Define the following:
Excretion
Define the following:
Excretory organs
Match the terms in Column I with those in Column II and write down the matching pairs
| Column I | Column II | |
| a | Bowman's Capsule | Renal artery |
| b | Contains more CO2 and less urea | Regulates amount of water excreted |
| c | Anti-diuretic hormone | Renal Vein |
| d | Contains more urea | Glomerulus |
Choose the correct answer:
Excess proteins are converted into urea in ____________
Give Reasons for the following:
Glucose absent in the urine of a healthy person ?
Mention, if the following statement is True or False. If false rewrite the wrong statement in its correct form:
Ammonia is converted into urea in kidney.
Column 2 is a list of items related to ideas in Column 1. Match the term in Column 2 with the suitable idea given in Column 1.
| Column 1 | Column 2 | ||
| i | Liver | a | basic unit of the brain |
| ii | Ova | b | stimulated by light |
| iii | Alveoli | c | deoxygenated blood |
| iv | Cochlea | d | part of the sclera |
| v | Vein | e | haploid cell |
| vi | Neuron | f | blind sacs |
| vii | Stomata | g | found in the kidney |
| viii | Grana | h | audio receptors |
| i | diffusion of gases | ||
| j | breakdown of proteins | ||
| k | diploid cell | ||
The filtration units of kidneys are called ____________.
The filtration units of kidneys are called
Arrange the following statements in the correct order in which they occur during the formation and removal of urine in human beings.
(a) Ureters carry urine to the urinary bladder.
(b) Wastes dissolved in water are filtered out as urine in the kidneys.
(c) Urine stored in the urinary bladder is passed out through the urinary opening at the end of the urethra.
(d) Blood containing useful and harmful substances reaches the kidneys for filtration.
(e) Useful substances are absorbed back into the blood.
