Pyloric sphincter guards the opening between
Stomach and Duodenum
Cardia and Fundus
Oesophagus and Stomach
Fundus and Pylorus
A condition of failure of kidney to form urine is called
Deamination
Entropy
Anuria
None of these
Solenocytes are the main excretory structures in
Annelids
Molluscs
Echinodermates
Platyhelminthes
The canal system is a characteristic feature of
Echinoderms
Helminths
Coelenterates
Sponges
B.
Helminths
Sponges possess an extensive system of interconnected cavities called canal system, which typically consists of in current canals, radial canals, excurrent canals and spongocoel. The system is useful for nutrition, respiration and excretion.
The net pressure gradient that causes the fluid to filter out of the glomeruli into the capsule is
20 mm Hg
75 mm Hg
30 mm Hg
50 mm Hg
Major nitrogenous waste product in ureotelic animals like rabbit and other mammals is
uric acid
urea
ammonia
amino acids