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

HomeMCQsAgriculture

MEDIUMENGLISHAgriculture

The process of accumulation of excess quantity of nutrients in water causing O2 deficiency is known as_____________________?

AEutrophicationOption A

BNitrificationOption B

CDenitrificationOption C

DSedimentationOption D

Start Related Quiz Submit Correction More MCQs