Correct option is (a) True
Best explanation: σ1s^2σ*1s^2σ2s^2σ*2s^22pz^2π2px^2π2y^2π*2px^1π*2py^1 is the electronic configuration of O2 molecule. According to this, it has two unpaired electrons, making it paramagnetic and is attracted by the magnetic field.