Observe the test report of urine and answer the following question.
What are the substances present in the urine?
Important Questions on Excretion and Osmoregulation
I) In embryonic stage, the interventricular septum of human heart has foramen ovale.
II) Tunica media of human artery has elastic lamina on either side.
III) Excretory organs of arachnids are coxal glands.
IV) Angiotensin II stimulates the Juxtaglomerular cells to secrete the enzyme renin.
Pick up the incorrect statements from the above:
Describe the process of urine formation.
Remarkable reduction in blood pressure affects normal functioning of the kidney as follows:
Following events are associated with blood pressure regulation by the kidney.
A) Formation of Angiotensin
B) Secretion of Aldosterone
C) Fall in blood pressure
D) Reabsorption of from distal convoluted tubule
E) Release of Renin
F) Restoration of normal blood pressure
G) Conversion of Angiotensinogen to Angiotensin
H) Activation of Juxta Glomerular cells
The correct regulation sequence is
Correct the following statements by changing the underlined words:
The normal pale yellow colour of the urine is due to the presence of the pigment Melanin.
(i) Close proximity between Henle's loop and vasa recta
(ii) Counter current mechanism
(iii) Selective secretion of and hydrogen ions in
(iv) Higher blood pressure in glomerular capillaries
Match the following ?
| List I | List II | List III | |||
| (i) | High threshold substances | (a) | Not at all reabsorbed | (p) | Creatinine |
| (ii) | Low threshold substances | (b) | Efficiently reabsorbed | (q) | Glucose |
| (iii) | Athreshold substances | (c) | Reabsorbed in very little amounts | (r) | Urea |
