MCQ
Select the correct option for Non-chordates
$(I)$ Central nervous system is ventral, solid and double
$(II)$ Gill slits are absent
$(III)$ Heart is ventral
$(IV)$ Post anal tail is absent
- AOnly $I$
- BOnly $I$ and $II$
- C$I, II$ and $III $
- ✓$I, II$ and $IV$