Which of the following statement is incorrect about ozone ?

Question

$\begin{array}{1 1} \text{Ozone is formed in the upper atmosphere by a photo chemical reactions involving dixygen} \\ \text{Ozone is more reactive thsn dioxygen} \\ \text{Ozone is nonmagneticz while dioxygen is Paramagnetic } \\ \text{Ozone protects earth's inhabit ants by absorbing gamma radiations} \end{array}$