12th Class PSEB EVS Environment Studies Nov-Bimonthly Sample Test Paper 2022 EVS Enviroment Studies, 12th EVS, Nov Bimonthly Paper 2022 / December 4, 2022 December 8, 2022 Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on WhatsApp (Opens in new window)