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 -2023 G.C Grade 12 students can now access their exam results by visiting the Educational Assessment and Examination Services (EAES) website. Previous123456789101112131415161718192021Next 45. Which one of the following events is an example of a sex influenced trait? Pattern baldness Lactation Ritinitis pigmentosa Undescended testicles 46. In the CAM photosynthetic pathway, malate is stored in the mesophyll cells during the day. glucose is synthesized in the bundle sheath cell during night. ATP and NADPH are produced during the night. the C4 stage and the Calvin cycle are separated in time. 47. In Gram staining, if some bacteria retain the crystal violet after counter staining, then the bacteria is Gram positive. Gram negative. Gram intermediate. Gram variable. 48. Which one of the following sentences explains the mechanism of bacterium to produce disease? Its hyphae secrets enzymes which digest substances in the tissue. It enters into the living cells and disrupts the metabolic systems. It attaches with white blood cells and destroy the immune system. Its genetic material is incorporated into the cell for instruction. 49. Which one of the following sentences explains the role of bacteria in genetic engineering? They are used to isolate genes from donor DNA. open up a plasmid. cut genes from donor DNA. contain a recombinant plasmid. Previous123456789101112131415161718192021Next 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!