Excretory Produ...

Some animals convert highly toxic $$NH_3$$ into least toxic trimethylamine oxide $$(TMAO)$$ and retain high concentration of $$TMAO$$ and urea to minimise $$H_2O$$ loss from body are

Which disease is caused due to high accumulation of uric acid in the bloodstream?

Complete the following paragraph by selecting the option that correctly fills the blanks (i) - (iv).
The kidneys have built-in mechanisms for the regulation of glomerular filtration rate. One such efficient mechanism is carried out by (i). It is a special sensitive region formed by cellular modifications in the (ii) and the (iii) at the location of their contact. A fall in GFR can activate the JG cells to release (iv) which can stimulate to glomerular blood flow and thereby brings GFR back to normal. 

Refer to the given figure of a nephron and select the incorrect option regarding $$P, Q, R$$ and $$S$$?

Mark the inappropriate term w.r.t. the glomerular filtration.

Find out which of the following statements are true(T)/false(F) and choose the correct option.
I. Adult human kidney measures $$10-12$$cm in length, $$5-7$$cm in width, $$2-3$$cm in thickness with an average weight of $$120-170$$gm
II. Blood vessels, nerves and urethra enter kidney through the hilum
III. Inner to the hilum of kidney is a broad funnel shaped space called the renal pelvis with projections called calyces
IV. Renal capsule is a soft layer made of perinephric adipose tissue only

Which of the following statement is false

Nephron produces how much concentrated urine? 

If renal plasma flow is 1000 ml/min and filtration fraction is 24%. What will be glomerular filtration rate per hour ?

The maintenance of concentration gradient in the medullary interstitium is mainly done by?