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
Correct Answer :
A. kidney of vertebrates and is involved in ultrafiltration
Related Questions
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
Water absorption in the loop of Henle and distal part of tubule is controlled by
antidiuretic hormone
aldosterone
renin
both (a) and (b)
In kidney, glucose is mainly absorbed by
Bowman's capsule
Loop of Henle
Proximal convoluted tubule
Distal convoluted tubule
Separation of amino acid into amino and carboxyl group is known as
deamination
excretion
animation
egestkxi
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
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 rabbit, the urinary bladder opens into
uterus
urethra
vestibule
ureter
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 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
Which of these are uricotelic ?
Monkey
Lizard
Fish
Frog
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
Ammonia is the chief nitrogenous excretory material in
reptiles
turtles
tadpoles
amphibians
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)
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 filtrate from glomerulus contains
blood without blood cells and proteins
plasma without sugar
blood with proteins but without cells
blood without urea
In man, the kidneys are
pronephric
mesonephrk:
metanephric
all types
The liquid which collects in the cavity of Bowman's capsule is
concentrated urine
blood plasma minus blood proteins
a solution containing excretory wastes
a solution containing wastes
The loop of Henle is poorly developed or absent in............as it is concerned with reabsorption of water.
desert mouse
carnivorous bird
fish
snake
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
The total volume of blood passing through the kidneys in one minute is about
125 ml
500 ml
1200 ml
250 ml
In the kidneys of rabbit, the loops of Henle are found in
medulla
cortex
pelvic
pyramid
Urea is transported by
WBC
RBC
Blood
Plasma
The normal renal blood flow amounts to
125 litres per day
500 litres per day
1000 litres per day
1700 litres per day
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
A condition in which urine contains blood is termed as
creatinine
anuria
haematuria
ketonuria
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
Vitamin excreted in urine by higher vertebrates is
A
B
K
C
Kidneys' function is to
remove metabolic wastes from the body
maintain a constant fluid environment
maintain pH of body fluids
all 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