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Assertion $(A)$:All vertebrates are chordates but all chordates are not vertebrates.
Reason $(R)$:Notochord is replaced by vertebral column in the adult vertebrates.
In the light of the above statements, choose the most appropriate answer from the options given below:
| Column-$I$ | Column-$II$ |
| $A$. SER | $I$. Increase the surface area |
| $B$. Golgi apparatus | $II$. Store oils or fats |
| $C$. Cristae | $III$. Excretion |
| $D$. Peroxisome | $IV$. Photorespiration |
| $E$. Elaioplasts | $V$. Synthesis of lipid |
$R-$ Kreb's cycle occurs in cytoplasm of cell