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 35. Which one of the following statements is correct about the description of the cell theory? Schleiden and Schwann stated that all cells come from pre-existing cells. Virchow stated that cell is the unit of structure, physiology and organization of living things. Modern cell theory states that cells contain hereditary information that passes from cell to cell. Spontaneous generation theory states that all cells have basically different chemical composition. 36. Which of the following characteristics of cells is found only in prokaryotic cell? Division of labor within the cell Continuous loop of DNA 10-100 µm long Higher level of complexity 37. All of the following are examples of innate behaviours EXCEPT training killer whales at marine parks. increasing breathing rate during exercise. producing tears when dust gets into the eyes. a fly moving its maggot into more humid environment. 38. In the course of evolution, which of the following is true about the human brain? Modern humans have a brain size between 0.7% and 1.0% of their body mass. Australopithecus have a brain size between 1.8% and 2.3% of their body mass. The pre-humans brain uses 80% of the resting energy requirement. Homo sapiens brain uses 25% of the resting energy requirement. 39. Which one of the following is an example of in-sight learning? Salivation of a dog when a bell was rung in the absence of food, which was paired with the conditioned stimulus. Use of boxes, after several trials, by a chimpanzee placed in an enclosed area to obtain bananas placed on the top of an enclosure. Exhibition of modifications of natural behaviors of guide dogs, horses or zoo animals to desired behaviors. Lack of response from a lady, which sat in a shop in which a strong deodorant was continuously released from a can. 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!