MCQ
An angiosperm differs from a gymnosperm by possessing
- AOvule
- ✓Xylem vessels
- CXylem tracheids
- DSeed
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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: