Our analysis of the recent question papers shows that Biology Class 12th NCERT is of utmost importance for answering questions related to Environment and Bio-technology. Many questions have come directly from these chapters in previous years such as questions on- m-RNA, ecotones, niche , photochemical smog , use of silica in brick making, bio- remediation, … Continue reading BIOLOGY NCERT 12TH – MOST IMPORTANT CHAPTERS