Question

The following are organs of certain animals:

Para podia, Cnidoblast, Proboscis gland,

Comb plates

a)Select organ/organs of excretion.

b)Name the organism bearing the

organ/organs and write its phylum.​

Answer 1

Balanoglossus - 6 Proboscis gland (It is a substrate feeder or benthoic feeder and has glomerulus or proboscis gland for excretion)

B. Leech - 2. Nephridia ( a coiled tubule like structure that opens to the exterior, for excretion and osmoregulation.)

C. Locust - 5. Malphigian tubule (A system of branching tubules that emerge out of the alimentary canal to absorb water, wastes etc from the haemolymph)

D.Liver fluke - 3. Flame cells (specialized cells that function similar to kidney for excretion of wastes)

E. Sea urchin - 4. Absent ( uses diffusion to get rid of Nitrogenous wastes from the body)

F. Pila - 1 Metanepridia (A system of ciliated tubules that pushes metabolic wastes, ions etc out of the body through nephridiopore)

So, the correct answer is 'A-6, B-2, C-5, D-3, E-4, F-1