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Excretion Test - 9

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Excretion Test - 9
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  • Question 1
    1 / -0
    Elevation of BP is most likely to be caused by
    Solution
    Elevation of BP is most likely to be caused by renin. Whereas, rennin is a milk curdling enzyme.
  • Question 2
    1 / -0
    In public urinals, the urine gives a pungent smell due to
    Solution
    In public urinals, the urine gives a pungent smell due to the conversion of urea into ammonia by bacteria.
  • Question 3
    1 / -0
    Vitamin excreted by urine in higher vertebrates is
    Solution
    Vitamin excreted by urine in higher vertebrates is Vitamin C as it is a water soluble vitamin.
  • Question 4
    1 / -0
    There is no sugar in urine. The blood entering the kidney has more sugar than leaving the kidney because
    Solution
    There is no sugar in urine. The blood entering the kidney has more sugar than leaving the kidney because sugar is absorbed by proximal convoluted tubule.
  • Question 5
    1 / -0
    Which of the following enzymes helps in the production of urea?
    Solution
    The arginase enzyme helps in the production of urea. It is the final enzyme of urea cycle. It converts arginine into urea and ornithine.
  • Question 6
    1 / -0
    Micturition is possible only if the muscles of urinary bladder contract and
    Solution
    Micturition is possible only if the muscles of urinary bladder contract and urethra relaxes.
  • Question 7
    1 / -0
    Separation of amino acid into amino and carboxyl group is known as
    Solution
    Separation of amino acid into amino and carboxyl group is known as deamination.In the human body, deamination takes place primarily in the liver, however glutamate is also deaminated in the kidneys.
  • Question 8
    1 / -0
    In the kidney, glucose is mainly absorbed in the
    Solution
    In the kidney, glucose is mainly absorbed in the proximal convoluted tubule.
  • Question 9
    1 / -0
    Which of the following options is never the function of the kidney?
    Solution
    Erythropoiesis is not a function of kidney. Erythropoiesis is the process which produces red blood cells (erythrocytes). It is stimulated by decreased O2 in circulation, which is detected by the kidneys, which then secrete the hormone erythropoietin.
  • Question 10
    1 / -0
    The human kidneys are
    Solution
    The human kidneys are metanephric.
  • Question 11
    1 / -0
    In the human kidney, the glomeruli are limited to
    Solution
    In the human kidney, the glomeruli are limited to cortex.A glomerulus is a network (as a tuft) of capillaries located at the beginning of a nephron in the kidney.
  • Question 12
    1 / -0
    The blood leaves the glomerulus through
    Solution
    The blood leaves the glomerulus through efferent arteriole. They play an important role in maintaining the glomerular filtration rate despite fluctuations in blood pressure.
  • Question 13
    1 / -0
    The Bowman's capsule is
    Solution
    The Bowman's capsule is a part of uriniferous tubule and is the site of filtration of various blood constituents during the formation of urine.
  • Question 14
    1 / -0
    In man which blood vessel takes away blood from the kidney?
    Solution
    Renal vein takes away blood from the kidney.They connect the kidney to the inferior vena cava. They carry the blood purified by the kidney.
  • Question 15
    1 / -0
    The Malpighian corpuscle lies in the
    Solution
    The Malpighian corpuscle lies in the cortex.They are also known as Renal corpuscles — the initial filtering component of nephrons in the kidneys.
  • Question 16
    1 / -0
    Water is not reabsorbed in
    Solution
    Water is not reabsorbed in ascending limb of loop of Henle. It is impermeable to water.
  • Question 17
    1 / -0
    In cockroach, the excretory product is
    Solution
    In cockroach, the excretory product is uric acid.
  • Question 18
    1 / -0
    In which organ of the body, is the insoluble calcium phosphate eliminated?
    Solution
    The insoluble calcium phosphate is eliminated from the large intestine.
  • Question 19
    1 / -0
    In marine telecost fish, Na+ and CI– ions are excreted by
    Solution
    In marine telecost fish, Na+ and CI– ions are excreted by gills.
  • Question 20
    1 / -0
    The undigested food in Hydra is expelled from
    Solution
    The undigested food in Hydra is expelled from mouth.
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