Ms. Hu Living Envionment 1. A chemical analysis of organisms from each kingdom shows that living things are primarily composed of the elements A) B) C) D) Base your answers to questions 6 and 7 on the information and diagrams below and on your knowledge of biology. carbon, hydrogen, chlorine, and sulfur An experiment was performed to determine the effect of different mineral salts on plant growth. Forty pots containing identical plants were divided into four equal groups and placed in a well-lighted greenhouse. Each pot contained a nonmineral potting medium and one plant. Materials were then added to each experimental group of pots as shown carbon, hydrogen, oxygen, and nitrogen iron, calcium, hydrogen, and oxygen chlorine, carbon, calcium, and sulfur 2. Which statement best describes cellular respiration? A) B) C) D) November 2011 A It occurs in animal cells but not in plant cells. It converts energy in food into a more usable form. It uses carbon dioxide and produces oxygen. It stores energy in food molecules. 3. Most organisms contain A) B) C) D) organic compounds, only inorganic compounds, only both organic and inorganic compounds neither organic nor inorganic compounds 4. A mineral supplement designed to prevent the flu was given to two groups of people during a scientific study. Dosages of the supplement were measured in milligrams per day, as shown in the table below. 6. Which measurement would most likely be taken to determine the effect of different mineral salts upon the experimental groups? A) B) C) D) weight of the medium in each pot temperature of the 40 pots height of the 40 plants distance of each plant from the light source 7. What was added to the control group of pots? A) B) C) D) After 10 weeks, neither group reported a case of the flu. Which procedure would have made the outcome of this study more valid? A) test only one group with 200mg of the supplement B) test the supplement on both groups for 5 weeks instead of 10 weeks C) test a third group that receives 150mg of the supplement D) test a third group that does not receive the supplement 5. The energy an organism requires to transport materials and eliminate wastes is obtained directly from A) DNA C) hormones water, only nitrogen salts, only potassium salts, only potassium and phosphorus salts 8. The absorption and distribution of materials within an organism is a life function known as A) synthesis C) transport B) reproduction D) locomotion 9. Vegetable oils, such as corn oil, belong to which general class of organic substances? A) lipids C) carbohydrates B) proteins D) salts 10. For survival, a hummingbird uses a considerable amount of energy. This energy most directly results from the life activity of B) starch D) ATP Page 1 A) transport C) regulation B) excretion D) respiration Version 1 Living Envionment 11. A student hypothesized that lettuce seeds would not germinate (begin to grow) unless they were covered with soil. The student planted 10 lettuce seeds under a layer of soil and scattered 10 lettuce seeds on top of the soil. The data collected are shown in the table below. 16. Base your answer to the following question on the information below and on your knowledge of biology. Organisms living in a bog environment must be able to tolerate nitrogen-poor, acidic conditions. Bog plants such as the Venus flytrap and sundew are able to obtain their nitrogen by attracting and consuming insects. These plants produce chemicals that break down the insects into usable compounds. Which compounds present in insects are composed of the amino acids that provide the Venus flytrap and sundew with much of their nitrogen? To improve the reliability of these results, the student should A) conclude that darkness is necessary for lettuce seed germination B) conclude that light is necessary for lettuce seed germination C) revise the hypothesis D) repeat the experiment using a larger sample size 12. In living organisms, lipids function mainly as A) proteins C) carbohydrates B) sugars D) fats 17. What is the volume of water represented in the graduated cylinder shown below? (Remember to look at the bottom of the curve) A) sources of stored energy and transmitters of genetic information B) sources of stored energy and components of cellular membranes C) transmitters of genetic information and catalysts of chemical reactions D) catalysts of chemical reactions and components of cellular membranes 13. Nutrition involves those activities by which organisms A) remove cellular waste products B) obtain and process materials needed for other A) 10.3 mL C) 14.0 mL activities C) exchange gases with their environment D) absorb and circulate materials 14. The life function responsible for the coordination and control of all life activities in an organism is known as A) regulation C) excretion B) reproduction D) nutrition 15. Which life process is classified as autotrophic in some organisms and heterotrophic in other organisms? A) B) C) D) B) 13.0 mL D) 15.0 mL 18. When a person does strenuous exercise, small blood vessels (capillaries) near the surface of the skin increase in diameter. This change allows the body to be cooled. These statements best illustrate A) synthesis C) excretion B) homeostasis D) locomotion 19. How does the CONTROL GROUP setup in an experiment differ from the other setups in the same experiment? hormonal regulation A) It tests a different hypothesis. B) It has more variables. C) It does not receive the experimental treatment nutrition anaerobic respiration transport (Independent Variable). D) It utilizes a different method of data collection. Page 2 Version 1 Living Envionment 20. The table below shows an effect of secondhand smoke on the birth weight of babies born to husbands and wives living together during pregnancy. Based on these data, a reasonable conclusion that can be drawn about secondhand smoke during pregnancy is that secondhand smoke A) B) C) D) is unable to pass from the mother to the fetus slows the growth of the fetus causes mutations in cells of the ovaries blocks the receptors on antibody cells 21. Which safety precaution is recommended when a liquid is being heated in a test tube? A) When holding the test tube, keep fingers closest to the open end of the tube. B) Direct the flame of the burner into the open end of the test tube. C) Stopper the test tube with a rubber stopper. D) Wear goggles and a laboratory apron. 26. In the transfer of energy from the Sun to ecosystems, which molecule is one of the first to store this energy? A) protein C) DNA 27. Which compound is inorganic? A) B) C) D) 22. Which term is defined as all the chemical reactions that are required to sustain life? A) metabolism C) regulation B) fat D) glucose glucose (C6Hl2O6) carbon dioxide (CO2) ethane (C2H6) stearic acid (C l8H36O2) 28. Which two activities in the chart below best describe the process of transport? B) nutrition D) synthesis 23. The ability of an organism to obtain food, seek shelter, and avoid predators is most directly related to the function of A) reproduction C) locomotion B) egestion D) excretion 24. Excretion is best described as the removal of A) B) C) D) A) A and C C) C and D metabolic wastes from a cell toxic wastes by the process of cyclosis water molecules from dipeptide hydrolysis undigested material from the digestive tract 25. Which group of organic molecules includes glycogen and glucose? A) carbohydrates C) nucleic acids B) B and C D) A and D 29. A cheetah can run short distances at speeds in excess of 100 kilometers per hour. Such speed is an adaptation for B) lipids D) proteins Page 3 A) B) C) D) obtaining food decreasing body temperature increasing the rate of digestion obtaining oxygen Version 1 Living Envionment 30. The diagram below represents the measurements of two leaves. The difference in length between leaves A and B is closest to A) 20 mm B) 20 cm C) 0.65 m 31. Base your answer on the diagram below and on your knowledge of biology. D) 1.6 µm 33. Which substances are inorganic compounds? A) B) C) D) water and salts proteins and carbohydrates fats and oils enzymes and hormones 34. Which statement describes the best procedure to determine if a vaccine for a disease in a certain bird species is effective? Which statement describes two unsafe laboratory practices represented in the diagram? A) Vaccinate 100 birds and expose all 100 to the disease. B) Vaccinate 100 birds and expose only 50 of them to the disease. C) Vaccinate 50 birds, do not vaccinate 50 other birds, A) The flame is too high and the test tube is unstoppered. B) The opening of the test tube is pointed toward the D) Vaccinate 50 birds, do not vaccinate 50 other birds, and expose only the vaccinated birds to the disease. and expose all 100 to the disease. student and the student is not wearing goggles. C) The test tube is unstoppered and the student is not wearing goggles. D) The beaker has water in it and the flame is under the tripod. 35. In which process are simple materials chemically combined to form more complex materials? A) synthesis C) hydrolysis B) pinocytosis D) cyclosis 32. The process that removes metabolic waste products from an organism is known as A) egestion C) excretion B) secretion D) oxidation Page 4 Version 1 Living Envionment 36. Base your answer to the following question on the information below and on your knowledge of biology. Students cut 20 rod-shaped pieces of potato of the same diameter and length. Five pieces of potato were placed into each of four beakers containing different concentrations of sugar solutions. Each potato piece was measured again after 24 hours. The table below shows the results of their experiment. Which graph best represents the information in the data table above? A) B) C) D) 37. The disease known as malaria may result in a fever, a decrease in red blood cells, and an enlarged liver and spleen. These symptoms are evidence of A) B) C) D) a disruption of homeostasis a decrease in allergic reactions an increased number of cell organelles hormone destruction Page 5 Version 1 Living Envionment 38. A student conducted an experiment to determine if listening to different types of music would affect pulse rate. She thought that pulse rate would change with different types of music. Each person participating in her experiment listened to seven different selections of music for 30 seconds each. The pulse rates were taken after each 30-second interval of music. Based on her experiment, the student concluded that a person's pulse rate changed when listening to different types of music. The component missing from this experiment is a A) prediction C) control group B) hypothesis D) research plan Page 6 Version 1 Answer Key November Midterm 1. B 37. A 2. B 38. C 3. C 4. D 5. D 6. C 7. A 8. C 9. A 10. D 11. D 12. B 13. B 14. A 15. B 16. A 17. B 18. B 19. C 20. B 21. D 22. A 23. C 24. A 25. A 26. D 27. B 28. C 29. A 30. A 31. B 32. C 33. A 34. C 35. A 36. B Page 7 Version 1
© Copyright 2026 Paperzz