Let $X$ be a connected CW complex.
Assume there is an integer $N\geq 0$ such that the singular homology $H_n(X)=0$ vanishes for all $n\geq N$.
Is there an integer $M\geq 0$ such that $\pi_m(X)=0$ for all $m\geq M$?
Let $X$ be a connected CW complex.
Assume there is an integer $N\geq 0$ such that the singular homology $H_n(X)=0$ vanishes for all $n\geq N$.
Is there an integer $M\geq 0$ such that $\pi_m(X)=0$ for all $m\geq M$?
Try $X=S^2$ (and look at the table on this page)