Trimethylaminoxide is excreted in:
A.Molluscs
B.Amphibians
C.Marine teleosts
D.Fresh water fishes
Category: Excretion Physiology Mcqs
Excess of amino acids are synthesized into urea within the:
A.Kidneys
B.Liver
C.Blood
D.Renal Tubules
In which of these organs the ammonia is converted into urea:
A.Liver
B.Kidney
C.Spleen
D.Pancreas
Uricotelic excretion is found in the:
A.Birds
B.Mammals
C.Elasmobranchs and amphibians
D.All of these
In which of the following respects the kidney of vertebrates resembles with the contractile vacuole of Amoeba:
A.In expelling out glucose
B.In expelling out salts
C.In expelling out urea and uric acid
D.In expelling out excess of water from the body
Diabetes insipidus is characterized by:
A.Frequent urination with thirst
B.Frequent urination with glucose
C.Less urination with glucose
D.None of these
Process of selective reabsorption involves:
A.Only active transport
B.Only passive transport
C.Both (a) & (b)
D.None of these
We feel urination when:
A.Our urinary bladder is full with about 300ml of urine
B.When we have passed 3-4 hours of ingestion of food
C.Our body has decreased amount of ECF
D.Our body has increased O2 concentration in the blood
Passing out of urine is called:
A.Micturition
B.Parturition
C.Defecation
D.None of these
Glomerulus in man is a network of about:
A.20 capillaries
B.30 capillaries
C.50 capillaries
D.None of these
