MCQ
During which stage the cell organelles reappear in cell division?
- AProphase.
- BMetaphase.
- CAnaphase.
- ✓Telophase.
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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:
$I$. It checks the mixing of oxygenated and deoxygenated blood in heart
$II$. It circulates only oxygenated blood through heart.
Choose the correct option accordingly