WorksheetsEXCRETORY SYSTEM
Total questions: 22
Worksheet time: 15mins
major form of nitrogenous waste excreted by the animals are :
NH3
urea
uric acid
all
terrestial animals must :
excete large amount of urine
conserve water
actively pump out salts through skin
excrete large amount of salts in urine
terrestial ambhibians and marine fishes are :
ammonotelic
ureotelic
uricotelic
both a & b
solenocytes are the excretory organs of :
platyhelminthes
rotifers and some annelids
cephalochordates
all of the above
which is the best adapted phenomenon for the conservation of water :
ammonotelism
ureotelism
uricotelism
aminotelism
collecting duct
renal pyramid
renal calyx
renal pelvis
ureters
guanine is the excretory product of :
spiders
sea birds
both a and b
teleost fishes
protonephridia
flatworms
nephridia
leech
malphigian tubules
insects
antennal glands
prawn
main function of excretory organ is :
excretion
osmoregulation
both a and b
formation of urine
the___synthesizes most of the excretory compound in humans and is eliminated through____
liver, urine
kidneys, urine
liver, bile juice
none
metanephric kidneys are found in :
all of these
birds only
reptiles only
mammals only
sweat
thermoregulation
saliva
tasting food
tears
lysozyme
sebum
sebaceous glands
in ORNITHINE CYCLE which one pair of the following wastes are removed from the blood :
CO2 & urea
CO2 & ammonia
NH3 & urea
urea and sodium salts
where are kidneys situated :
between 7th and 10th ribs
between last thoracic and third lumber vertebra
between 8th and 9th ribs
between first and last thoracic vertebra
coloumn of bertini in the kidney of mammals are formed as the extensions of :
medulla into cortex
cortex into medulla
papillary ducts into collecting ducts
medullary pyraminds into calyx
Reorder the following on the basis of evolution (simple to complex)
solenocytes
nephridia
antennal glands
organ of Bojanus
kidney
maximum nephrons present in kidney are of type :
cortical nephrons
juxtramedullary nephrons
both a and b
same type
LUMEN of urinary blader is lined by ____which has great power of ____
ciliated cuboidal epithelium, extension
transitional epithelium, stretching
urothelium, extension
both b and c
A- in man, left kidney is located slightly more superior then right kidney
R- liver is large in size and is located on the right side of the body
both A&R is true and R is correct explanation of A
both A&R is correct but A is independent of R
A is true but R is false
both A&R is incorrect
which blood vessel will contain least amount of urea in humans :
afferent arteriole
renal artery
renal vein
renal portal vein
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