Chemical Bonding · Molecular orbital bond order

Given below are two statements :

Statement (I) : The correct sequence of bond lengths in the following species is :

$\ce{O2+}$ $<$ $\ce{O2}$ $<$ $\ce{O2-}$ $<$ $\ce{O2^2-}$

Statement (II) : The correct sequence of number of unpaired electrons in the following species is :

$\ce{O2}$ $>$ $\ce{O2+}$ $>$ $\ce{O2-}$ $>$ $\ce{O2^2-}$

In the light of the above statements, choose the correct answer from the options given below :