

Category: Biology MCQs
Which are the four most abundant elements in living cells ?
Check Correct Option
carbon, oxygen, hydrogen, nitrogen
Biology MCQs
Biology MCQs Test Preparation | Latest 2025 Quiz FPSC, NTS, KPPSC, PPSC, SPSC, BPSC, OTS, UTS, PTS, CTS, ATS, ETEA MCQs Test Questions.