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 5. Unlike free living cells, viruses are completely pathogenic to a living cell. mutual to a living cell. parasitic to a living cell. harmful to a living cell. 6. Why are vaccines important? Because they help to trigger the immune system. kill pathogens. prevent functional diseases. heal wounds. 7. Assume you wanted to demonstrate compatibility of blood groups. You took four test tubes labeled O, A, B, and AB based on the blood group that each test tube contains. Then you added unknown blood sample into each test tube and no agglutination was observed in each test tube. From this, you can conclude that the unknown blood sample was blood group B. blood group O. blood group A. blood group AB. 8. Which one of the following diseases increases the likelihood of contracting HIV? Syphilis Chancroid Tuberculosis Gonorrhoea 9. Even though pasteurization is a technique used to heat milk, beer and other foods, it cannot preserve food unspoiled for years because it cannot kill pathogenic microorganisms. reduces the nutritional content of the food. is conducted in containers that are not properly sealed. uses mild temperature that kills most but not all bacteria. 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!