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

Biological molecules (proteins) which catalyze a biochemical reaction and remain unchanged after completion of reaction are called_____________________?

ACofactorOption A

BCoenzymesOption B

CActivatorOption C

DEnzymesOption D

Start Related Quiz Submit Correction More MCQs