In normal adult humans, glomerular filtration rate (G.F.R) is on an average
100 litres/day
120 litres/day
150 litres/day
180 litres/day
Correct Answer :
D. 180 litres/day
Related Questions
Of the 180 litres of glomerular filtrate produced each day the amount of reab-sorption is
96 per cent
80 per cent
95 per cent
99 per cent
In normal adult humans, glomerular filtration rate (G.F.R) is on an average
100 litres/day
120 litres/day
150 litres/day
180 litres/day
The plasma resembles in its composition with the filtrate produced in the glomerulus except for the presence of
chlorides
amino acids
glucose
none of these
In the kidneys of rabbit, the loops of Henle are found in
medulla
cortex
pelvic
pyramid
In which animal, the excretory substance is ammonia?
Camel
Cartilaginous fish
Whale
Fresh water fish
The highest concentration of urea is found in
renal vein
hepatic portal vein
dorsal aorta
hepatic vein
The least toxic nitrogenous waste is
ammonia
uric acid
urea
both (a) and (c)
Loop of Henle is concerned with
excretory system
reproductive system
nervous system
muscular system
The blood leaves the glomerulus by
afferent arteriole
efferent arteriole
renal artery
renal veins
Ammonia is the chief nitrogenous excretory material in
reptiles
turtles
tadpoles
amphibians
Water absorption in the loop of Henle and distal part of tubule is controlled by
antidiuretic hormone
aldosterone
renin
both (a) and (b)
When urine is allowed to stand, it gives strong ammoniacal odour, due to
conversion of urea to ammonia via ornithinearginine cycle
conversion of urea to ammonia by bacteria
conversion of urea and uric acid to ammonia
none of these
Urea is formed from ammonia and carbon dioxide in
liver cells
every living cell
kidney and muscles
liver and kidney
Vitamin excreted in urine by higher vertebrates is
A
B
K
C
In man, the kidneys are
pronephric
mesonephrk:
metanephric
all types
The vessel carrying blood into the Bowman's capsule in kidney of frog is known as
aferent arteriole
efferent arteriole
renal portal vein
any of these
Which of these are uricotelic ?
Monkey
Lizard
Fish
Frog
Kidneys' function is to
remove metabolic wastes from the body
maintain a constant fluid environment
maintain pH of body fluids
all of these
Diuresis is the condition in which
the excretion of volume of urine increases
the excretion of volume of urine decreases
the kidneys fail to excrete urine
the water balance of blood is disturbed
The final concentration of the fluid to produce a markedly hypertonic urine takes place in the
loop of Henle
distal convoluted tubule
collecting tubule
both (a) and (b)
Separation of amino acid into amino and carboxyl group is known as
deamination
excretion
animation
egestkxi
In rabbit, the urinary bladder opens into
uterus
urethra
vestibule
ureter
In the kidneys, the pressure gradient or the effective filtration pressure (E.F.P.) is determined by
glomerullar hydrostatic pressure
capsular hydrostatic pressure
blood colloidal osmotic pressure
all of these
The hormone which converts angioten-sinogen to angiotensin is
angio tensinase
renin
rennin
none of these
The plasma passing through the glomerulus loses about
50% of its volume as filtrate
20% of its volume as filtrate
80% of its volume as filtrate
40% of its volume as filtrate
In ancestral verterbrates the kidney is known as
glomerular type
aglomerular type
holonephric type
metanephric type
The conversion of ammonia into urea occur in
kidneys
lungs
liver
intestine
A condition in which urine contains blood is termed as
creatinine
anuria
haematuria
ketonuria
Urea is transported by
WBC
RBC
Blood
Plasma
Malpighian bodies are found in
kidney of vertebrates and is involved in ultrafiltration
kidney of vertebrates and is involved in passive filtration
kidney of vertebrates and is involved in selective reabsorption
insects and involved in excretion