Falcon Grade 9 2019 E.C

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Here are 500 medium-difficulty subjective questions for Grade 9 Ethiopian Biology, organized by unit. Each question is designed to test understanding and application of key concepts from the MoE curriculum. --- Unit 1: Introduction to Biology (~85 Questions) 1. Define biology and explain its relationship with chemistry and physics. 2. List and briefly describe any five branches of biology. 3. Explain why the study of biology is important for a country like Ethiopia. 4. Describe the main steps of the scientific method in the correct order. 5. What is a hypothesis? How does it differ from a theory? 6. Explain the difference between a control group and an experimental group in a scientific investigation. 7. Identify the parts of a light microscope and state the function of each: eyepiece, objective lens, stage, and diaphragm. 8. If the eyepiece of a microscope is 10x and the objective lens is 40x, what is the total magnification? Show your working. 9. List five general safety rules that must be followed in a biology laboratory. 10. Explain the importance of using a first aid kit in the laboratory and list its basic contents. 11. Differentiate between a living thing and a non-living thing, giving three examples of each. 12. List seven characteristics common to all living organisms. 13. Explain the term "homeostasis" and give one example in the human body. 14. What is the difference between growth and reproduction as characteristics of life? 15. Describe how a plant demonstrates the characteristic of "response to stimuli." 16. Explain the term "metabolism" and its two main processes. 17. Why is excretion necessary for living organisms? 18. Name two laboratory tools used for measuring and two field tools used by a biologist. 19. Explain the correct way to carry and store a light microscope. 20. Define the term "adaptation" and provide one example from an Ethiopian animal. 21. Discuss the contributions of Dr. Aklilu Lemma to biological science in Ethiopia. 22. What was the significance of Dr. Melaku Worede's work on crop genetic diversity? 23. Briefly describe the role of the Ethiopian Institute of Biodiversity Conservation. 24. Explain how biology is applied in the field of medicine. 25. Explain how biology is applied in the field of agriculture. 26. Differentiate between zoology, botany, and ecology. 27. What is microbiology? Give two examples of microorganisms. 28. Explain the term "biotechnology" and provide one example of its application. 29. Why is it important for scientists to communicate their results? 30. A student observes that a plant near a window grows towards the light. Formulate a hypothesis to explain this observation. 31. Identify the independent and dependent variables in an experiment testing the effect of light on plant growth. 32. What is a controlled experiment? Why is it important? 33. List three careers that require a background in biology. 34. Explain how the study of biology can help in solving environmental problems in Ethiopia. 35. Describe the relationship between biology and technology. 36. What is a theory in science, and how does it become accepted? 37. Explain the term "biodiversity" and its importance. 38. Name one renowned Ethiopian biologist and describe their contribution. 39. What are the ethical considerations that a biologist must keep in mind while conducting research? 40. Distinguish between a law and a theory in biology. 41. Describe the process of observing a specimen under a compound light microscope. 42. What is the function of a condenser on a light microscope? 43. Explain why oil immersion is used with the high-power objective lens. 44. List three ways of taking care of a microscope. 45. What should you do if a chemical spills on your skin in the laboratory? 46. Explain the importance of washing hands after a laboratory experiment.

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