MCQ
Radial symmetry occurs in:
- ACoelenterata and Platyhelminthes.
- BArthropoda and Mollusca.
- CCoelenterata and Echinodermata.
- DPorifera and Coelenterata.
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$I.$ Water ...$A\%$ $II.$ Urea ...$B\%$ $III.$ Uric acid ...$C\%$ $IV.$ Salt ...$D\%$
Choose the right options for $A , B , C$ and $D$ from given options
$I.$ Plant body is thallus-like and closely attached to substrate
$II.$ Sporophyte is differentiated into foot, seta and capsule
$III.$ Gemma cup located on the thalli