|
In which of the following animals, respiration occurs without any respiratory organ? |
|||||||
|
a) |
Frog |
b) |
Fish |
c) |
Cockroach |
d) |
Earthworm |
|
In which of the following animals, respiration occurs without any respiratory organ? |
|||||||
|
a) |
Frog |
b) |
Fish |
c) |
Cockroach |
d) |
Earthworm |
(d)
Earthworm respires through general body surface and has no respiratory organs.