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
Correct Answer :
D. 99 per cent
Related Questions
Kidneys' function is to
remove metabolic wastes from the body
maintain a constant fluid environment
maintain pH of body fluids
all of these
Ammonia is the chief nitrogenous excretory material in
reptiles
turtles
tadpoles
amphibians
Malpighian corpuscle in vertrf>rate kidney
consists of Bowman's capsule and afferent arteriole
consists of glomerulus and Bowman's capsule
consists of ciliated channels
is inner wall of Bowman's capsule and glomerulus
A person consuming a large amount of fish and meat will excrete urine rich in
ammonia
urea
uric acid
creatinine
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 which part of the excretory system of a mammal can you first use the term urine for the fluid it contains?
Bowman's capsule
Loop of Henle
Collecting tubule
Urinary bladder
In mammalian kidney, the pyramids are seen in
cortex
pelvis
medulla
hilus
The renal threshold for glucose in blood of man is
80 mg/100 ml
150 mg/100 ml
200 mg/100 ml
300mg/100 ml
Liquid which collects in the cavity of Bowman's capsule is
concentrated urine
plasma minus blood proteins
glycogen and water
sulphates and water
The highest concentration of urea is found in
renal vein
hepatic portal vein
dorsal aorta
hepatic vein
Birds and reptiles excrete their nitrogenous waste in the form of
uric acid and urea
urea
urea and uric acid respectively
uric acid
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
Vitamin excreted in urine by higher vertebrates is
A
B
K
C
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
In ancestral verterbrates the kidney is known as
glomerular type
aglomerular type
holonephric type
metanephric type
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 conversion of ammonia into urea occur in
kidneys
lungs
liver
intestine
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)
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
Under normal conditions which one is completely reabsorbed in the renal tubule?
Urea
Uric acid
Salts
Glucose
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
A condition in which urine contains blood is termed as
creatinine
anuria
haematuria
ketonuria
In rabbit, the urinary bladder opens into
uterus
urethra
vestibule
ureter
The normal glomerular filtration rate in man is
125 ml/minute
250 ml/minute
500 ml /minute
1200 ml/minute
In which animal, the excretory substance is ammonia?
Camel
Cartilaginous fish
Whale
Fresh water fish
Liquid part of blood having undergone ultrafiltration from the glomerulus and reaching the Bowman's capsule normally would not contain
glucose
sodium chloride
creatinine
albumin
Separation of amino acid into amino and carboxyl group is known as
deamination
excretion
animation
egestkxi
The blood leaves the glomerulus by
afferent arteriole
efferent arteriole
renal artery
renal veins
Columns of Bertini in the kidneys of mammals are formed as extension of
medulla into pelvis
medulla into cortex
cortex into medulla
pelvis into ureter
The normal renal blood flow amounts to
125 litres per day
500 litres per day
1000 litres per day
1700 litres per day