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Quiz: Topic-Excretion
Dr. P. Anuradha,
Assistant Professor of Zoology,
Government Degree College, Khairatabad,
HYDERABAD-500004
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Group : B.Sc.______
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________ facilitated reabsorption of water by the nephron.
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1 point
Loop of Henle
Medulla
Cortex
Pelvis
A brush border epithelium is formed in
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Distal convoluted tubule
Proximal convoluted tubule
Bowman's capsule
Loop of Henle
The chief nitrogenous waste material in the urine of frog is ____
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Ammonia
Uric acid
Urea
Allantoin
The snakes and birds are mainly
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1 point
Ammonotelic
Amiotelic
Ureotelic
Uricotelic
Which is the least toxic nitrogenous waste
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1 point
Ammonia
Uric acid
Urea
None
The blood leaves the glomerulus through
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1 point
Efferent arteriole
Afferent arteriole
Renal veins
Renal portal veins
Ammonia is the chief excretory substance in
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Camel and whale
Cartilaginous fishes
Whale and porpoise
Freshwater fishes
The Reabsorption of water in the tubules of nephrons takes place by
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Osmosis
Simple diffusion
Filteration
Active transport
To form a hyperosmolar medullary interstitium the counter current multiplier system operates in
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Vasa recta
Loop of Henle
Both of the above
None
To preserve the hyperosmolar medullary intersitium, the ________counter current system operates in ______
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1 point
Multiplier, Vasa recta
Exchanger, Vasa recta
Multiplier, loop of Henle
Exchanger,loop of Henle
Ability of kidneys for the Production of concentrated Urine is dependent on
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1 point
Active transport
Passive transport
Countercurrent Mechanism
Diffusion
Correct sequence of Urine Formation
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Filteration, Reabsorption, Secretion
Reabsorption, Secretion, Filteration
Secretion, Filteration, Reabsorption
Reabsorption, Filteration, Secretion
The Bowman's capsule was found in
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Cortex
Medulla
Urinary Bladder
Loop of Henle
The renal medulla consists of cone shaped tissue masses called
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Renal pyramids
Adipose capsule
Renal cortex
Renal pelvis
The yellow pigment derived from haeme breakdown and excreted by kidneys is
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Uric acid
Urochrome
Cholesterol
Melanin
Glomerular Filterate passes from capsular space into the
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1 point
Loop of Henle
Proximal convoluted tubule
Distal Convoluted tubule
Collecting duct
Which hormone influences water reabsorption in collecting duct
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1 point
Renin
Angiotensin
Aldosterone
Vasopressin
Main function of descending loop of Henle is
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Absorption of water
Absorption of ions
Absorption of sugar
Absorption of sodium
In Micturition
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Urethra relaxes
Ureter contracts
Ureter relaxes
Urethra contracts
Amount of glomerular filterate formed per day is
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50 L
180 L
250 L
1000 L
Which one does not enter nephron
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Water
Glucose
Plasma proteins
Urea
Rate of glomerular filterate per minute in an adult
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1 point
125 mL
25 mL
225 mL
425 mL
Urine is concentrated to its maximum in loop of Henle in
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Descending limb
Thick Ascending limb
Hairpin bend between descending and ascending limbs
Area between ascending limb and distal convoluted tubule
The main function of pyramids of kidney is to
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Contain collecting duct of kidney
Direct the urine to flow in ureter
Support the openings of collecting canals
Store fats and proteins
The yellow colour of urine is due to
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1 point
Uric acid
Urea
Urochrome
Melanin
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