MCQ
Fishes are
- AHomoiothermic
- ✓Poikilothermic
- CBoth $ (a)$ and $(b)$
- DNone of these
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$I.$ From atria to ventricles
$II.$ From ventricles to pulmonary artery
$III.$ From pulmonary artery to aorta
Choose the correct option
$R :$ These have aglomerular kidney $i.e.$, no filtration occurs and tubular secretion is the only way of excretion.
Select the correct combination for $A, B$ and $C$
