Biology Grade 11 Worksheet 2017 PDF

Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 1st Sem. Biology Grade 11 Worksheet one in 2017 E.C/2024. In 2017 E.C 1st Sem. Biology Worksheet one for Grade 11 Part I: C...

Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 1st Sem. Biology Grade 11 Worksheet one in 2017 E.C/2024. In 2017 E.C 1st Sem. Biology Worksheet one for Grade 11 Part I: Choose the best answer from the given alternatives and answer on the separate answer sheet. 1. The technology of photograph camera was designed by the imitation of _________ A. movement of kangaroo C. mound of termites B. Mosquito proboscis D. Human eyes 2. An instrument used to measure level of blood sugar is ______ A. Microscope B. Diabetic blood test C. Thermometer D. CT scan 3. Positron Emission Tomography scan is used for: A. Check diseases area with cancer in human body C. Measure body fat B. Collect bio geographical data D. Measure Level of blood sugar 4. Which one of the following is the negative Impact biology on society and natural world? A. Ensuring food security B. Increase industrial production C. Production of biological weapon D. Practicing predetermined sex 5. ________ is a scientific discipline involving computer technology to collect, store, analyze, and disseminate biological data and information (DNA and amino acid sequences). A. Bioinformatics C. Biomedical study B. Computer Information Technology Scanning. D. Biochemical study 6. Which one of the following considered as unethical treatment of plants? A. Testing seeds or berries through destructive rays B. Consumption of seeds and fruits with conservation. C. Saving the jeopardized species and conserve for our common future D. Planned cutting of trees by preventing deforestation 7. Asymmetrical body plans are primarily found in which type of organisms? A) Cnidarians B) Sponges C) Arthropods D) Chordates 8. Which of the following features is Not common in all members of the animal kingdom? A/ They possess vertebral column C. They are multicellular B/ They are Eukaryotic D. They are heterotrophic 9. Which of the following statements is WRONG about sexual reproduction? A. Requires the fusion of gametes from two parents B. Produce offspring that have genetic material from both parents C. Sexual reproduction occurs in most animals D. The offspring and parents are genetically identical Biology Mock Exam Questions for Grade 11 Page 1 Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 10. Which one of the following statement is true about invertebrate animals? A. They possess a back bone C. nearly all possess an open circulatory system B. They have complex nervous system D. majority of invertebrates have endoskeleton. 11. Unlike internal fertilization, in external fertilization____________________ A. The female releases eggs from her body on the land B. Sperm cells and egg cells fuse together in water body C. Sperm cells and egg cells fuse together in female body D. Do not require water medium to breed, lay their eggs and fertilization 12. Of the following identify the choice that contains the correct order of development of an embryo. A. Organ→ germ layers → Gastrula→ eight cell → blastula → zygote B. Zygote → eight cell→ blastula →Gastrula → germ layers → organ C. zygote → blastula → eight cell → gastrula → germ layers → organ D. eight cell→ blastula →Gastrula germ layers → organ → zygote 13. One of the following species of frogs not common in sub-Saharan Africa. A. Rana temoraria C. Ptychadena harenna B. Leptopelis ragazzi D. Ptychadena goulenger 14. All of the following are the positive effects of insects except A. They are biological pest control B. They have potential to transfer a pollen grain C. They are a powerful source of proteins D. They are vectors for infectious diseases 15. What is metamorphosis? A. A type of photosynthesis B. A process of transformation from one stage to another in an organism's life cycle C. A method of reproduction D. A form of cellular division 16. What is the average number of eggs a female crocodile lays at one time? A. 5-10 B. 20-50 C. 10-100 D. 100-200 17. Which reproductive strategy allows some insects to reproduce without mating? A) Sexual reproduction C) External fertilization B) Parthenogenesis D) Budding 18. What do female birds use to lay eggs? A) Ovary B) Cloaca C) Spermatheca D) Oviduct 19. Which of the following is not true about crocodiles? A. They have internal fertilization B. Crocodile mating usually occurs during July or August Biology Mock Exam Questions for Grade 11 Page 2 Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 C. If temperature is around 34 0c the crocodiles eggs develop into males. D. They lay their eggs in water 20. What is the primary mode of reproduction in rats? A) Asexual reproduction C) Budding B) Sexual reproduction D) Fragmentation 21. All of the following are true about rats except: A. They reproduce sexually B. The gestation period for black rats is usually 22 days C. Rats normally give birth from 7 to 12 offspring per litter on average D. Both fathers and mothers care for the young after giving birth. 22. Which structure is responsible for nutrient exchange between the mother and developing embryo in rats during pregnancy? A) Blastula B) Placenta C) Amniotic sac D) umbilical cord 23. Which germ layer gives rise to the skin and nervous system? A) Ectoderm B) Mesoderm C) Endoderm D) All of the above 24. Which of the following statement is False about birds? A. Most bird species are polygamous B. Male birds have no external genital organ C. Unlike other animal‟s female birds have one ovary D. They reproduce sexually and have internal fertilization. 25. In which part of female birds reproductive organ male release its sperm during mating time? A. Vagina B. Cloaca C. Oviduct D. Ovary 26. Where is the egg white primarily added to the developing egg in oviduct? A) Uterus B) Isthmus C) Infundibulum D) Magnum 27. What is formed in the uterus of oviduct of birds reproductive system? A) Egg white B) Egg yolk C) Eggs shell D) Egg membranes 28. Which of the following diseases transmitted by insects is incorrectly matched? A. Culex mosquitoes-transfer malarial parasites B. Tsetse fly- spreads the African sleeping sickness C. Musca domestica-spreads food and water borne diseases to human D. Anopheles mosquitos-transmit plasmodium 29. What is the function of cantharidan secreted by Bilster beetles? A. Used to treat joint pain B. Applied to treat burns, chronic and post surgical wounds C. Used in treating viral infections and cancerous tumors. D. Used as pain relievers, specially for migraines Biology Mock Exam Questions for Grade 11 Page 3 Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 30. What a behavioural pattern of animals commonly observed in insects such as ants, bees that live in groups? A. Reproductive behaviour C. Territoriality B. Communication behaviour D. Social behaviour 31. Which of the following is TRUE about homoeothermic animals? A. They have variable body temperature C. produce little internal heat B. They are also called endotherms D. Can‟t regulate their body temperature 32. An experimental animal stopped responding to a stimulus that has been repeated so many times. What type of learned behavior is this? A. Imprinting C. Latent learning B. Habituation D. Operant 33. If a chimpanzee piles up boxes and climbs on it to reach a bunch of bananas hanging from ceiling, which behavior is manifested? A. Insight learning C. Operant conditioning B. latent learning D. Trial and error learning 34. Which of the following statement is concerning Osmoregulation in Human body is not true? A. High amount of ADH is released by pituitary when the water content of blood is too low B. Less amount of ADH is released by pituitary when the water content of blood is too high C. Secretion of ADH in different amount can influence the water content of urine D. If less amount ADH is secreted the kidneys reabsorb high concentration of water 35. Which of the following statement does not characterize learned behavior? A. It is genetically determined and fully functional at the first attempt B. It is changed by, or develops through, experience and may vary from individual to individual C. The animal develops the behavior through trial and error or by insight. D. The behavior may be modified by previous experiences 36. What kind of animal innate behavior can a spinning of a web by spider be classified? A. Reflexive behavior B. Instinctive behavior B. Habituation behavior D. Orientative behavior 37.. In which of the following is there a mismatch between the type of innate behavior and the resulting result? A. Habituation – decreased response to a stimulus after repeated exposure. B. Reflex action – increasing breathing rate during exercise C. Instinctive behavior – nest building in birds D. Orientational movement - maggots moving into more humid environment Biology Mock Exam Questions for Grade 11 Page 4 Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 38. In the classical conditioning experiment performed by Pavlov on dogs, which of the following alternatives is the unconditioned stimulus? A. The sound of the bell C. The salivation at the sound of the bell B. The smell of the food D. he salivation at the smell of food 39. Which one of the following is NOT instinctive behaviour? A. Web making in spiders C. Nest building in birds B. Honey bees dance D. withdrawal of hand from hot objects 40. Which of the following types of movements in response to a stimulus has no specific direction? A. Taxis B. Kinesis C. Gravitropism D. Phototropism 41. The unicellular organism, euglena, swims using its flagellum towards areas of increased light intensity. What is this kind of response to stimulus called? A. Negative kinesis C. Positive kinesis B. Negative phototaxis D. positive phototaxis 42. Which one of the following do bees use to inform other bees about the location and distance of a new source of nectar they discover? A. Pheromones B. Buzzing noise C. Waggle dance D. Vibration of wings 43. Among the following identify INCORRECT statement about social behavior in bees: A. Queen is reproductively fertile female B. Worker bees are reproductively fertile female C. Drones are reproductively fertile males D. Worker bees replace queen by feeding royal substance 44. Suppose a girl, after watching her mother making “injera” on several occasions, successfully did it herself, what type of learning is this A. Insight learning B. Operant conditioning C. Habituation D. Latent learning 45. Which regulation mechanism is mainly applied in homeothermic animals when the surrounding temperature falls? A. Vasoconstriction B. Vasodilation B. having Large ears D. Sweating 46. Which of the following two hormones are responsible for controlling the concentration of glucose in the blood? A. Thyroxin and insulin C. Adrenalin and progesterone B. Insulin and Glucagon D. Glucagon and estrogen 47. One of the following happen when you drunk high amount of water? A. Increased amount of ADH is released by pituitary to the blood. B. Decreased amount of ADH is released by pituitary to the blood. C. Concentrated urine is produced D. High volume of water reabsorbed by kidney Biology Mock Exam Questions for Grade 11 Page 5 Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 48. Of the following hormones, which one is incorrectly matched with its function? A. Glucagon stimulates conversion of glycogen to glucose B. Insulin stimulates conversion of glucose in to glycogen C. Adrenalin hormone stimulate conversion of glucose into glycogen during crisis D. Antidiuretic hormone (ADH) increases reabsorption of water from kidney tubules 49. What do „‟Homeostasis‟‟ refers to in living organisms? A. The capacity for reproduction. B. Mechanism of keeping internal body environment constant. C. Mechanism of keeping external environment stable. D. The ability to evolve. 50. What is the process by which animals maintaining the internal body temperature constant is known as: A. Homeostasis C. Osmoregulation B. Thermoregulation D. Blood sugar regulation 51. Unicellular organism, euglena, swims using its flagellum towards areas of increased light intensity. What is this kind of response to stimulus called? A. Negative kinesis C. Positive kinesis B. Negative phototaxis D. positive phototaxis 52. Why are arctic animals such as Seals, Walruses and whales large in body size? To A. Move in the water bodies easily C. Reduce heat loss B. Increase heat loss D. Increase their surface area Part II. Answer the following questions accordingly. 53. List the name of technological devices, buildings or different designs imitated from the following natural biological materials. A. Neurons in organisms ___________________________________________________ B. Birds and bats wings____________________________________________________ C. king fisher bird ________________________________________________________ D. Cactus plant___________________________________________________________ E. Movements of kangaroo__________________________________________________ F. Mosquito proboscis_____________________________________________________ G. Spider silk___________________________________________________________ H. Trunks of elephant______________________________________________________ 54. Explain the use of the following technological devices for biological investigations. Biology Mock Exam Questions for Grade 11 Page 6 Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 A. Diabetic test tool _____________________________________________________ B. Positron emission Tomography scan_______________________________________ C. Computed tomography scan_____________________________________________ D. HIV test kit___________________________________________________________ 55. List the positive and negative impacts of biology and technology on society and natural world___________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ______________________________________________________________________ 56. Describe the common characteristics of animals. ________________________________________________________________________ ________________________________________________________________________ _____________________________________________________________________ 57. Compare and contrast vertebrate and invertebrate animals using tables. No vertebrate invertebrate 58. List and illustrate different types of asexual reproduction ________________________________________________________________________ ________________________________________________________________________ _____________________________________________________________________ 59. Describe the difference between sexual and asexual reproduction ________________________________________________________________________ ________________________________________________________________________ ______________________________________________________________________ 60. Compare and contrast internal and external fertilization. ________________________________________________________________________ ________________________________________________________________________ ______________________________________________________________________ 61. Explain the 3Rs principles that researchers must use to reduce impacts of unethical treatments of animals 1.___________________________________________________________________ 2._____________________________________________________________________ 3.______________________________________________________________________ 62. What are the embryological developmental stages starting from zygote to young? Biology Mock Exam Questions for Grade 11 Page 7 Ambo Ifa Boru Special Boarding Secondary School 1st Sem Bio Worksheet for G. 11 in 2017 _____________________________________________________________________ 63. Explain about complete and incomplete metamorphosis in insect with example.________________________________________________________________ ________________________________________________________________________ 64. What is imitation?_______________________________________________________ 65. Compare and contrast innate behaviour and learned behaviour. No Innate behaviour learned behaviour 66. Explain and give some examples for the different types of innate and learned behavior. ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ________________________________________________________________________ ______________________________________________________________________ Biology Mock Exam Questions for Grade 11 Page 8