MCQ
Amphibian heart is
- AOne-chambered
- ✓Three-chambered
- CTwo-chambered
- DFour-chambered
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$I$. Pisces $II$. Osteichthyes
$III$. Agnatha $IV$.Gnathostomata
$V$. Chondrichthyes $VI$. Cyclostomata
$A\ -\ B\ -\ C\ -\ D\ -\ E\ -\ F$
| List-l | List-II |
| (A) Heroin | (I) Increased heart beat and blood pressure |
| (B) Marijuana | (II) Depressent |
| (C) Cocaine | (III) Sedative property |
| (D) Morphine | (IV) Build up of dopamine in the synapses |