MCQ
Coralloid roots is the feature of
- ✓Cycas
- BMosses
- CPinus
- DSelaginella
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$A$. Maintenance of water and electrolyte balance
$B$. Regulation of basal metabolic rate
$C$. Normal rhythm of sleep-wake cycle
$D$. Development of immune system
$E$. Support the process of RBCs formation
Choose the correct answer from the options given below:

$R$ : Bats and whales show echolocation and four chambered heart.