(1) In human being NH3

is convert in urea is liver
(2) Insect birds and land nail are urecotelic
(3) A small amount of water is wasted n excretion of anomia however not much energy is used
in doing so.
(4) More energy is required in the preparation of urea but not a large amount of water is needed
to be lost

(1) The outer surface of the kidney is concave while inner is convex
(2) The projection of renal pelvis are called collecting duct
(3) Renal columns called columns of bertini
(4) Afferent renal arterioles are narrower then efferent renal arteriioles

(1) In PCT the filterate is hypertonic to nblood plasma
(2) In DCT the filterrte is hypertonic to blood plasma
(3) Decending limb of LOH is permecable to water but nearly imperable to salts
(4) Ascending limb of LOH is Segment to water but nearly imperable to salts

Match the items of columns I with those of column II

Column I                column II
(P) Uremia            (i) excee of protein level in urine
(Q) Haematuria`   (ii) Presence of high Ketone bodies in urine
(R) Ketonuria       (iii) Presence of blood cells in urine
(S) Glucosuria      (iv) presence of glucose in urine
(T) proteinuria       (v) presence of urea in blood

  P   Q     R   S   T

Column I column II
(P) Ultrafilteration (i) Henle’s loop
(Q) concentratyion of urine (ii) Ureter
(R) transport of urine (iii) urinary bladder
(S) storage of urine (iv) Malipigian corpuscles
(v) Proxmal convoluid tabule

P  Q  R  S

Column I column II
(P) Excretory oragans (i) Hydra
(Q) Nephiridia (ii) Leech
(R) Malpighian tubles (iii) Shark
(S) Kidneys (iv) Lound warms
(v) cockroach

P Q R S