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Class 11 Biology
Excretory Products And Their Elimination
Quiz 1
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Presence of RBCs in urine is
0%
Uremia
0%
ketonuria
0%
Glucosuria
0%
hematuria
Explanation
hematuria
Ornithine cycle leads to the formation of
0%
NH
0%
((NH))CO)
0%
CHNO
0%
CHN
Explanation
((NH))CO)
The yellow pigment derived from heme breakdown and excreted by kidneys is
0%
Uric acid
0%
Urochrome
0%
Cholesterol
0%
Melanin
Explanation
Urochrome
What happens when glomerular filteration rate falls?
0%
Activation of podocytes
0%
Release of renin
0%
Repression of juxta glomerular cells
0%
None of the above
Explanation
Release of renin
Which of the following can be cured by hemodialysis?
0%
Renal calculi
0%
Glomerulonephritis
0%
Uremia
0%
All of these can be cured by hemodialysis
Explanation
Uremia
Kidneys are located in
0%
thoracic cavity
0%
abdominal cavity
0%
body cavity
0%
pelvic cavity
Explanation
abdominal cavity
The muscular tubes which take the urine from the kidneys to the bladder are
0%
Urinary bladders
0%
Ureters
0%
Urethras
0%
Nephrons
Explanation
Ureters
Most water and salts are reabsorbed in
0%
DCT
0%
Bowman s capsule
0%
PCT
0%
DCT and PCT
Explanation
PCT
Reabsorption of filterate occurs in
0%
renal tubules
0%
glomerular apparatus
0%
medullary pyramid
0%
juxta cells
Explanation
renal tubules
JG cells release
0%
angiotensin II
0%
aldosterone
0%
renin
0%
ANF
Explanation
renin
pH of human urine is
0%
7. 0
0%
6. 5
0%
6. 0
0%
7. 5
Explanation
6. 5
Average blood filtered by kidneys per minute is
0%
1000 – 1500 mL
0%
500 – 600 mL
0%
200 – 300 mL
0%
1100 – 1200 mL
Explanation
1100 – 1200 mL
Which one of the following statements in regard to the excretion by the human kidneys is correct?
0%
Ascending limb of Loop of Henle is impermeable to electrolytes
0%
Descending limb of Loop of Henle is impermeable to water
0%
Distal convoluted tubule is incapable of reabsorbing HCO
0%
Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules
Explanation
Nearly 99 percent of the glomerular filtrate is reabsorbed by the renal tubules
In the kidneys, osmotic pressure controls ______.
0%
Glucose absorption
0%
Sodium absorption
0%
Water absorption
0%
none of these
Explanation
Water absorption
Presence of __________ in urine indicates diabetes mellitus.
0%
Glucose
0%
Cholesterol
0%
Ketone bodies
0%
Both 1 and 3
Explanation
Both 1 and 3
If a man takes large amount of protein, he is likely to excrete more amount of
0%
Glucose
0%
Urea and uric acid
0%
Water
0%
Salts
Explanation
Urea and uric acid
Nerves, blood vessels and ureter enters into the kidney through
0%
calyces
0%
hilum
0%
capsule
0%
cortex
Explanation
hilum
The principal nitrogenous excretory compound in humans is synthesised
0%
In the liver but eliminated mostly through kidneys
0%
In kidneys but eliminated mostly through liver
0%
In kidneys as well as eliminated by kidneys
0%
In liver and also eliminated by the same through bile
Explanation
In the liver but eliminated mostly through kidneys
The renal medulla consists of cone-shaped tissue masses called _______.
0%
Renal pyramid
0%
Adipose capsule
0%
Renal cortex
0%
Renal pelvis
Explanation
Renal pyramid
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