Ecosystems, biodiversity and environmental issues are scoring, recall-based chapters — low effort, steady marks.
10% energy transfer rule across trophic levels
In-situ vs ex-situ; hotspots and red-list categories
Exponential vs logistic growth curves
Greenhouse gases, ozone depletion, eutrophication
Learn ecological pyramids and the nitrogen/carbon cycles for quick wins.
On average, 4 questions per paper come from Ecology & Environment — about 100% of the Biology paper, worth roughly 20 marks.
It is rated Easy. Learn ecological pyramids and the nitrogen/carbon cycles for quick wins.
Ecology & Environment follows the NCERT Class 11–12 syllabus for Biology. CUET UG questions stay within NCERT scope.
10 minutes. Bloom-level questions. Know exactly where you stand.