Grade 11 Science Assessment Instructions: Answer each question carefully. Write your answer in the space provided.Please enable JavaScript in your browser to complete this form.Please enable JavaScript in your browser to complete this form.Name *FirstLastGrade *Contact Number *Phone number or WhatsApp number1. What is the difference between an ionic bond and a covalent bond?2. Define the term "enzyme" and explain its role in biological reactions.3. What is the significance of the cell cycle, and what are its main phases?4. Explain the concept of homeostasis and provide an example in humans.5. What are the three types of rock, and how is each formed?6. Describe the process of cellular respiration, including its overall equation.7. What is the role of chlorophyll in photosynthesis?8. Define biodiversity and explain its importance to ecosystems.9. What is a hypothesis, and how does it differ from a theory?10. Explain the difference between genotype and phenotype with examples.11. What are trophic levels, and why are they important in an ecosystem?12. Describe Newton's three laws of motion with examples for each law.13. What is the difference between an exothermic reaction and an endothermic reaction?14. Explain the structure of DNA and its function in heredity.15. What is natural selection, and how does it contribute to evolution?16. Define osmosis and explain its significance in cells.17. What are greenhouse gases, and how do they affect global warming?18. Describe the water cycle and its components.19. What is the difference between qualitative and quantitative data?20. Explain what a food web is and how it differs from a food chain.21. What are the main components of a nucleotide?22. Describe how enzymes can be affected by temperature and pH levels.23. What is the role of decomposers in an ecosystem?24. Define climate change and list some potential impacts on ecosystems and human societies.25. What is a controlled experiment, and why is it important in scientific research?26. Explain the difference between mitosis and meiosis in terms of purpose and outcomes.27. What are stem cells, and why are they significant in medicine?28. Describe the significance of the periodic table in chemistry. how in ionic 29. What is genetic drift, and how can it affect a population over time?30. Explain how human activities contribute to biodiversity loss.Assess My Answers
