Read the following statements and find out the incorrect statements.
(a) Kidney plays very significant role in the removal of `NH_(3)`
(b) Terrestial adaptation necessitated the production of more toxic nitrogenous wastes like urea and uric acid for conservation of water .
(c) Some amount of urea may be retained in the kidney matrix of some of the ureotelic animals to maintain a desired osmolarity.
(d) Uricotelic animals excrete nitrogenous wastes as uric acid in the form of pellet or paste with a minimum loss of water .
A. a and b
B. b and c
C. c and d
D. a and d