Birds are urictelic so that:
A.Their body temperature may not fall out
B.Their body temperature remains low
C.Their water loss may be checked
D.None of these advantages are there
Category: Excretion Physiology Mcqs
In a nephron the glucose is generally absorbed in:
A.Loop of Henle
B.Bowman’s capsule
C.Distal convoluted tubule
D.Proximal convoluted tubule
Deanination of excess of amino acids occurs in the:
A.Liver of all vertebrates
B.Kidney of all vertebrates
C.Spleen of all vertebrates
D.Intestine of all vertebrates
Capsular pressure in human kidney is:
A.Pressure exerted by filtrate in Bowman’s capsule upon filtration
B.Pressure exerted by blood capillaries upon Bowman’s capsule
C.Both of these pressures
D.None of these pressures
Excretion, in strict sense, is the process of:
A.Removal of waste products of carbohydrate metabolism
B.Removal of waste products of protein metabolism
C.Removal of waste products of fat metabolism
D.None of these
Thick portion of ascending limb of uriniferous tubule has:
A.No permeability to urea
B.Reduced permeability to NaCl
C.Both (a) & (b)
D.None of these
Ammonia is formed as a result of deamination of amino acids in vertebrates and those which pass out urine in form of ammonium hydroxide are called:
A.Ureotelic
B.Uricotelic
C.Ammonotelic
D.Aminotelic
One of the following substances is more toxic comparatively:
A.Urea
B.Ammonia
C.Uric acid
D.Guanine
Amino acids are formed as waste products of protein metabolism in:
A.Certain molluscs
B.Certain echinoderms
C.Both (a) & (b)
D.None of these
