MCQ
A radially symmetrical diploblastic animal is
- ARoundworm
- BEarthworm
- ✓Hydra
- DLiver Fluke
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$I.$ Double layered
$II.$ Fluid contained in it reduces the friction on the lung surface
$III.$ Its outer layer is in contact with thoracic wall
$IV.$ Its inner layer is in contact with lungs
|
Column $-I$ |
Column $-II$ |
|
$(a)$ Ureotelic |
$(I)$ Bony fishes, aquatic amphibians and aquatic insects |
|
$(b)$ Ammonotelic |
$(II)$ Mammals, marine fishes |
|
$(c)$ Uricotelic |
$(III)$ Reptiles, birds, land snails and insects |