Free MCQs for FPSC, PPSC, NTS, CSS, PMS & Govt Jobs 2026 | PrepBeePakistan

MCQs Categories Quiz Past Papers

Quick navigation

Home MCQs Categories Quiz Past Papers Search

Popular categories

English GK Mathematics Current Affairs Islamic Studies Computer Science

Preparing your study page...

Prepare Smarter. Score Better. Original demo content only; production MCQs should be original, licensed, public-domain, user-owned, or permission-based.

FPSC MCQs PPSC MCQs NTS MCQs CSS MCQs Punjab Police MCQs FIA MCQs CTD MCQs Rangers MCQs Computer Science MCQs General Knowledge MCQs Pakistan Studies MCQs

HomeMCQsBiology

MEDIUMENGLISHBiology

Molecular formula of chlorophyll b is_____________?

AC55 H10 O4 N6 MgOption A

BC55 H70 O6 N5 MgOption B

CC55 H71 O6 N4 MgOption C

DC55 H70 O6 N4 MgOption D

Start Related Quiz Submit Correction More MCQs