1st Semister Mid for G11 PDF

Hohete Tibeb Share Company Education and Technology Department First Semester Biology Mid-Exam for Grade 11th Ethio - Parents' Schools, Addis Ababa/ Gullele Name: ________________________________No: __________________________class:___...

Hohete Tibeb Share Company Education and Technology Department First Semester Biology Mid-Exam for Grade 11th Ethio - Parents' Schools, Addis Ababa/ Gullele Name: ________________________________No: __________________________class:___ I. Write true if the statement is correct and false if it is incorrect 1. The structures, functions, growth, origins, evolution and distribution of living organisms studied by biochemistry 2. The application of scientific knowledge, skills, methods and processes for the production of devices is technology. 3. The application of scientific knowledge, skills, methods and processes for the production of devices is known as bioinformatics 4. The sensors of electrical devices were imitations of biological neurons. 5. A cutting saw was imitated from the nature of the sharp teeth of animals. 6. Ceramics are an imitation of the nature of crack-resistant shellfish exoskeleton. 7. A robotic arm was imitated from an elephant trunk 8. Subjecting plant species to severe life-treating conditions leads to a total disappearance of plant species. II. Choose the best answer for the following question from the given alternatives. 9. Which one of the following is not correct about nature? A. is the physical, natural and material world of life B. Includes landscape sceneries, water and forest ecosystems. C. Scientists and engineers learn from nature through imitation of physical structures D. All technologies have been imitating nature. 10. Buildings were made through the imitation of the A. By studying the formation of spider webs. B. mound architecture of termites C. the movement of kangaroo D. from the mosquito proboscis 11. What are the benefits of biology to technology? A. enable us to imitate, design, adapt and develop modern technologies B. To solve complex human problems C. To reduces their scientific understanding. D. To develop artificial versions of biochemical substances. 12. Which one is true about Impacts of biology on the society and the natural world A. Ensuring food security B. Achieving better supply of energy and clean water. C. An increase in industrial production due to microbial action D. Creating antibiotics to treat bacterial infections E. All are correct 13. The rightness or wrongness of using biological discoveries for the health and wellbeing of humans is A. Biotechnology B. Ethical issues in biology C. Bioinformatics in biology  D. Biogeography 14. Which one is NOT the Unethical treatment of plants A. Testing seeds or berries through destructive rays B. Cutting tree terminals for experiments C. Consumption of all seeds and fruits without conservation D. Unplanned cutting of trees or deforestation 15. What are the most common forms of asexual reproduction especially in aquatic animals? A. Budding B. Fragmentation C. Parthenogenesis D. A and B are correct answers 16. The development of germ layers into different tissue types, organs, and organ systems is A. Organogenesis B. Gastrulation C. Cleavages D. Fertilization 17. ____________a mating system between a single adult male and a single adult female for entire breeding seasons. A. Monogamous B. Polygamous C. Digamous D. Tetragamous 18. Which one of a spiral thread of albumen is holding the yolk of a birds' egg in position? A. the yolk B. the membranes C. the chalaza D. air sac and the shell 19. Where an egg is fertilized by the sperm to form an embryo? A. the yolk B. the membranes C. the chalaza D. Germinal disc 20. The average pregnancy time or gestation period of a brown rat is A. 22 - 24 days, B. 22 days C. 37-49 days. D. 22-49 days 21. After fertilization, each rats zygote divides and forms a hollow ball of cells that further develops into A. Blastula B. Gastrula C. Organogenesis D. Gastrulation 22. Which one of the following serves as an intermediate hosts for several pathogens and transfer disease from one to another?  A. Anopheles mosquitoes B. Culex mosquitos C. Musca domestica D. All are correct answer II. Match the organelles under column “A” with their role listed under column ”B” A B 23. used to magnify very small objects A. CIT Scan 24. a device used for investigating cancerous areas of B. CT Scan the human body. C. Microorganism 25. An x-ray technology used to take many X-ray D. PET Scann pictures of the body E. GPS 26. A device uses a special dye containing radioactive tracers that is swallowed, inhaled, or injected into an arm vein 27. a device used to collect biogeographical information III. Fill the blank space for the following question’s on the space provided 28. _____________studies are helpful to investigate information on carbohydrates, proteins, lipids and nucleic acids 29. ________________studies are the science of using physical devices to gather biological information at all scales of biological organization 30. ______________is a scientific discipline involving computer technology to collect, store, analyze, and disseminate biological data and information (DNA and amino acid sequences). 31. ____________is a tool that checks if a woman is pregnant or not by detecting the amount of the hormone Human Chorionic Gonadotropin (HCG), produced in the placenta 32. ____________ is a tool to measure the level of blood sugar taking sample blood IV. Give short answer for the following questions 33. List and describe the three (Rs) principles to reduce the impacts of unethical treatments of animals? 34. List and describes the two types of sexual fertilization with examples? 35. List and describe the female birds’ reproductive structures?