Chemical Bonding and Molecular Structure: JEE Main 2024 Chemistry question

The number of species from the following which are paramagnetic and with bond order equal to one is _________. $\mathrm{H}_2, \mathrm{He}_2^{+}, \mathrm{O}_2^{+}, \mathrm{N}_2^{2-}, \mathrm{O}_2^{2-}, \mathrm{F}_2, \mathrm{Ne}_2^{+}, \mathrm{B}_2$