Question

1. Malphighian tubules of Cockroach are responsible for :
(1) Excretion
(2) Osmoregulation
(4) Respiration
(3) Digestion
12. Redula is found in all molusca except:
(1) Bivalves V
(2) Cephalopoda
(4) Aplacophora
(3) Scaphopoda
13. Locomotry organ of starfish is :
(2) Polian Vesicles​

Answer 1

Answer:

Malpighian tubules are excretory structures in most insects, including cockroaches, but in crustaceans such as prawns, green glands conduct excretory functions, whereas all other statements are true.

Answer 2

1. Excretion

2. Bivalves

3. Tube feet

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