Biology 2015 E.C - 2023 G.C 2014 E.C - 2022 G.C Chemistry 2015 E.C - 2023 G.C Civics and Ethical Education 2015 E.C - 2023 G.C English 2015 E.C - 2023 G.C Geography 2015 E.C - 2023 G.C History 2015 E.C - 2023 G.C Physics 2015 E.C - 2023 G.C Biology - Grade 12 -2022 G.C Grade 12 students can now access their exam results by visiting the Educational Assessment and Examination Services (EAES) website. Previous12345678910111213141516171819Next 20. Secretions of endocrine glands require receptors on cell membrane to be picked by their targets while exocrine secretions do not. This is because exocrine glands secrete hormone directly to the blood stream. endocrine glands are ductless. exocrine glands are controlled by the nervous system. endocrine glands produce protein-based hormones. 21. Which of the following diseases is caused by a DNA virus? Cold sore AIDS Swine flu Corona 22. Currently, natural resources are being depleted at increasing rate and waste materials are accumulated and discharged freely into water bodies. What is the best strategy to overcome these problems? Decomposition Succession Fossilization Recycling 23. Which stage of the nitrogen cycle needs the role of Rhizobium? Decomposition Denitrification Nitrogen fixation Nitrification 24. A key aspect in the process of recovery of an ecosystem through succession is that pioneer species always make the environment better. higher organisms colonize the environment first. a climax community of lichens and mosses is established at the end. pioneer species always tend to be lower animals. Previous12345678910111213141516171819Next We have provided these questions from previous years grade 12 Ethiopian Secondary School Leaving Certificate Examination (ESSLCE) exams with the sole purpose of assisting students in their studies and preparations for upcoming exams. Please be aware that these questions are not indicative of future exam content. Good luck with your studies!