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
Correct Answer :
C. Collecting tubule
Related Questions
In man, the kidneys are
pronephric
mesonephrk:
metanephric
all types
Water absorption in the loop of Henle and distal part of tubule is controlled by
antidiuretic hormone
aldosterone
renin
both (a) and (b)
The normal glomerular filtration rate in man is
125 ml/minute
250 ml/minute
500 ml /minute
1200 ml/minute
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 mammalian kidney, the pyramids are seen in
cortex
pelvis
medulla
hilus
Kidneys' function is to
remove metabolic wastes from the body
maintain a constant fluid environment
maintain pH of body fluids
all of these
In kidney, glucose is mainly absorbed by
Bowman's capsule
Loop of Henle
Proximal convoluted tubule
Distal convoluted tubule
Urea is formed from ammonia and carbon dioxide in
liver cells
every living cell
kidney and muscles
liver and kidney
In rabbit, the urinary bladder opens into
uterus
urethra
vestibule
ureter
The loop of Henle is poorly developed or absent in............as it is concerned with reabsorption of water.
desert mouse
carnivorous bird
fish
snake
Loop of Henle is concerned with
excretory system
reproductive system
nervous system
muscular system
Which of these are uricotelic ?
Monkey
Lizard
Fish
Frog
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
Urea is transported by
WBC
RBC
Blood
Plasma
In the kidneys of rabbit, the loops of Henle are found in
medulla
cortex
pelvic
pyramid
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
Birds and reptiles excrete their nitrogenous waste in the form of
uric acid and urea
urea
urea and uric acid respectively
uric acid
A person consuming a large amount of fish and meat will excrete urine rich in
ammonia
urea
uric acid
creatinine
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
In which animal, the excretory substance is ammonia?
Camel
Cartilaginous fish
Whale
Fresh water fish
Under normal conditions which one is completely reabsorbed in the renal tubule?
Urea
Uric acid
Salts
Glucose
In ancestral verterbrates the kidney is known as
glomerular type
aglomerular type
holonephric type
metanephric type
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
The filtrate from glomerulus contains
blood without blood cells and proteins
plasma without sugar
blood with proteins but without cells
blood without urea
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
Liquid which collects in the cavity of Bowman's capsule is
concentrated urine
plasma minus blood proteins
glycogen and water
sulphates and water
The conversion of ammonia into urea occur in
kidneys
lungs
liver
intestine
Ammonia is the chief nitrogenous excretory material in
reptiles
turtles
tadpoles
amphibians
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
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