Excretory Products and their Elimination PYQ — Page 2

In mammals, which blood vessel would normally carry the largest amount of urea?

Removal of proximal convoluted tubule from the nephron will result in:

Which of the following does not favor the formation of large quantities of dilute urine?

The body cells in cockroach discharge their nitrogenous waste in the haemolymph mainly in the form of :

Human urine is usually acidic because

Which of the following causes an increase in sodium reabsorption in the distal convoluted tubule?

Select the option which shows correct matching of animal with its excretory organ and excretory product.

Figure shows human urinary system with structures labelled $A$ to $D$. Select option, which correctly identifies them and gives their characteristics and/of functions 

Which one of the following characteristics is common both in humans and adult frogs?

A fall in glomerular filtration rate (GFR) activates

Which one of the following options gives the correct categorisation of six animals according to the type of nitrogenous wastes (A, B, C), they give out? 

The maximum amount of electrolytes and water $(70-80 \%)$ from the glomerular filtrate is reabsorbed in which part of the nephron?

If for some reason, the vasa efferentia in the human reproductive system get blocked, the gametes will not be transported from

Which one of the following correctly explains the function of a specific part of a human nephron?

Which one of the following is not a part of a renal pyramid?

Uricotelic mode of passing out nitrogenous wastes is found in

Ureters act as urogenital ducts in

Which one of the following statements in regard to the excretion by the human kidneys is correct?

Consider the following four statements (1-4) regarding kidney transplant and select the two correct ones out of these. (1) Even if a kidney transplant is proper the recipient may need to take immuno-suppresants for a long time (2) The cell-mediated immune response is responsible for the graft rejection (3) The B-lymphocytes are responsible for rejection of the graft (4) The acceptance of rejection of a kidney transplant depends on specific interferons The two correct statements are

In which one of the following organism, its excretory organs are correctly stated?

The principal nitrogenous excretory compound in humans is synthesised

What will happen if the stretch receptors of the urinary bladder wall are totally removed ?

Uric acid is the chief nitrogenous component of the excretory products of

What will happen if the stretch receptors of the urinary bladder wall are totally removed?