Name: SLO and Quarterly Assessment #4 Review Date: Science 8 - Mrs. Hagan Period: 1. The data table below shows the masses and volumes of three objects (,, and ). The formula for calculating an object's density is: Which statement about the densities of these three objects is correct? A) is more dense than B) is more dense than. C) and have equal densities. D) and have equal densities. 2. Base your answer to the following question on the diagram below, which represents the human digestive system. 3. Base your answer to the following question on The diagram below represents a portion of the esophagus. Which is a correct statement about the function of the esophagus? A) It transports food within the digestive tract from the mouth to the stomach. B) It causes mechanical digestion of food. C) It breaks down fats. D) It causes chemical digestion. 4. Base your answer to the following question on the diagram below of some human digestive organs and on your knowledge of biology. Where does digestion begin? A) A B) B C) C D) D Chemical digestion begins in which organ? A) A B) B C) E D) D Page 1
5. Oxygen transport in humans involves the A) white blood cells B) platelets C) hormones D) red blood cells 6. The vessels that transport blood away from the heart are the A) atria B) arteries 7. Veins are blood vessels that C) veins D) ventricles A) deliver blood to the cells of the body B) contain striated muscle C) carry blood toward the heart D) readily exchange materials between the blood and body cells 8. Which statement correctly describes the human heart? A) It has three chambers, and pumps blood directly into veins. B) It has two chambers, and it is composed of cardiac muscle. C) It has three chambers, and it is composed of cardiac muscle. D) It has four chambers, and pumps blood directly into arteries. 9. In humans, which structure is a flap that prevents food from entering the trachea? A) epiglottis B) alveolus C) mucous membrane D) cartilage ring 10. In humans, most gas exchange occurs between the A) excretory and circulatory systems B) circulatory and digestive systems C) respiratory and excretory systems D) respiratory and circulatory systems 11. Base your answer to the following question on the following list of organs. Choose the organ that is best associated with the statement below. Organs (1) Kidney (2) Liver (3) Lung (4) Stomach (5) Skin Which organ exchanges oxygen and carbon dioxide between the air and blood? A) 1 B) 2 C) 3 D) 4 E) 5 12. Base your answer to the following question on The diagram below illustrates the transport of oxygen and carbon dioxide in an organism. In animals, carbon dioxide is considered a A) nutrient B) waste product C) mineral D) salt 13. An increase in breathing rate is caused by more A) carbon dioxide in the blood B) oxygen content in the atmosphere C) platelets in the blood D) red blood cells 14. In the diagram of the human urinary system below, which letter indicates a structure that filters wastes out of the blood? A) A B) B C) C D) D Page 2
15. Base your answer to the following question on The diagram below represents a group of organs in the human body. 18. How many chromosomes will be found in each of the two new cells formed as a result of mitotic cell division (mitosis)? A) only one-half as many chromosomes as the parent cell B) twice as many chromosomes as the parent cell C) three times as many chromosomes as the parent cell D) the same number of chromosomes as the parent cell 19. The raw materials used during photosynthesis are Urine leaves the urinary bladder by passing through structure A) A B) B C) C D) D 16. A major function of the urinary bladder is A) transforming urine into a waste B) releasing urine into the bloodstream C) storing urine until it is eliminated D) filtering urine out of the blood 17. Base your answer to the following question on The diagram below can be used to illustrate a process directly involved in A) H2O and C6H12O6 B) O2 and CO2 C) H2O and CO2 D) C6H12O6 and CO2 20. Most of the oxygen in the air is made in the process of A) fermentation B) photosynthesis C) regulation D) respiration 21. An organism that produces its own food (carries out photosynthesis) must contain A) nuclei B) vacuole C) chloroplasts D) cell wall 22. Base your answer to the following question on the diagram below and on your knowledge of biology. The diagram represents some processes occurring in the leaf of a plant. A) mitosis B) meiosis C) recombination D) sexual reproduction Which equation illustrates photosynthesis within the leaf? A) B + D A + C B) A + C B + D C) B + C A + D D) A + B + D B + C Page 3
23. The materials produced during photosynthesis are A) H2O and C6H12O6 B) O2 and CO2 C) H2O and CO2 D) C6H12O6 and O2 24. Which sequence of terms is in the correct order from simplest to most complex? A) cells tissues organs organ systems B) tissues organisms cells organ systems C) cells tissues organ systems organs D) organs organisms organ systems cells 25. Which statement is not part of the cell theory? A) Cells are the structural units in living things. B) Cells are the functional units in living things. C) New cells arise from preexisting cells. D) New cells have nuclei identical to those of preexisting cells. 26. What is the site of protein synthesis in plant cells? A) nuclei B) chromosomes C) vacuoles D) ribosomes 27. Which structures are found in every living cell? A) cell membrane and cytoplasm B) chloroplasts and mitochondria C) a cell wall and nucleus D) centrioles and chromosomes 28. Base your answer to the following question on the diagrams below which represent two different cells. Cell II most likely represents a plant cell due to the presence of A) cell membrane B) nucleus C) cytoplasm D) cell wall 29. Which statement best describes the cell membrane of a cell? A) It controls the movement of substances into and out of the cell. B) It is composed of proteins only. C) It contains DNA so is considered the control center of the cell. D) It is only found in animal cells. 30. Most cellular respiration in plants takes place in organelles known as A) chloroplasts B) nuclei C) ribosomes D) mitochondria 31. Which part of a cell contains genetic material (DNA)? A) nucleus B) cell membrane C) vacuole D) endoplasmic reticulum 32. If the pattern of inheritance for a trait is complete dominance, then an organism heterozygous for the trait would normally express A) the recessive trait, only B) the dominant trait, only C) a blend of the recessive and dominant traits D) a phenotype unlike that of either parent 33. In humans, the ability to roll the tongue (T) is dominant over the inability to roll the tongue (t). If two parents who are TT for this trait have 14 children, how many children would be unable to roll their tongues? A) 0 B) 2 C) 8 D) 4 34. Which structures contain information for the inheritance of traits? A) genes B) cell membranes C) vacuoles D) nuclear membranes 35. Which part of a compound light microscope should a student adjust to allow more light to pass through a specimen? A) fine adjustment B) ocular C) diaphragm D) stage Page 4
36. Base your answer to the following question on The diagram below represents the field of view of a compound light microscope. Three unicellular organisms are located across the diameter of the field. 1000 m = 1.0 mm 39. What is the lowest possible magnification that can be obtained using the microscope shown below? What is the approximate length of each unicellular organism? A) 250 µm B) 500 µm C) 1,000 µm D) 1,500 µm 37. The total magnification of an image formed by a compound light microscope is a result of the combined magnifications of the A) eyepiece and diaphragm B) objective and mirror C) eyepiece and objective D) low-power objective and high-power objective 38. What is the highest magnification that can be obtained with a microscope that has a 10 eyepiece with a 43 objective? A) 43 B) 100 C) 430 D) 4300 A) 20 B) 200 C) 40 D) 800 40. The diagram below shows a portion of a graduated cylinder. What is the volume of the liquid in this cylinder? A) 22 ml B) 24 ml C) 25 ml D) 26 ml 41. A mineral sample is found to have a density of 3.0 grams per cubic centimeter. It is then broken into two pieces, with one piece twice as large as the other. The smaller of the two pieces will have a density of A) 1.0 g/cm 3 C) 3.0 g/cm 3 B) 1.5 g/cm 3 D) 6.0 g/cm 3 Page 5
42. Four different kinds of particles (A, B, C, and D) with the same shape and diameter were mixed and poured into a column of water. The mass, volume, and density of the particles are shown below. Which diagram best shows how the particle beds would be arranged in the column of water after settling? A) C) 46. As the mass of an object decreases, the force needed to move it will (it has less inertia). A) decrease B) increase C) remain the same 47. In a ball and ramp set up, as the height of a ball release point inceases, the distance a cup will move from the bottom of the ramp will. A) decrease B) increase C) remain the same 48. In the cartoon below, Canus nipponicus refers to a proposed scientific name for an imaginary organism. B) D) 43. Which block represented in the diagram has the greatest density? This proposed scientific name indicates the A) kingdom and phylum B) phylum and genus C) genus and species D) kingdom and species A) A B) B C) C D) D 44. The density of a substance is equal to A) mass volume B) volume mass A) work B) momentum C) mass volume D) volume + mass 45. A "push or pull" best describes the term C) potential energy D) force Page 6
49. Base your answer to the following question on Below are illustrations of three different acorns. Use the following key to help you tell which acorn is from a Pin Oak. #l. If the cup covers less than l/2 of the acorn s height.go to #2 If the cup covers l/2 or more of the acorn s height..go to #3 #2. If the cup is less than 1 cm in height... the acorn is from a Pin Oak If the cup is l cm or more in height.go to #4 #3. If the acorn is globe-shaped and nearly covered by the cup. the acorn is from an Overcup Oak If the acorn is oval-shaped and the cup has a mossy fringe the acorn is from a Mossy cup Oak #4. If the cup is l-2 cm in diameter the acorn is from a Shingle Oak If the cup is 2-4 cm in diameter.the acorn is from a Shumard Oak Which of the acorns shown above is from a Pin Oak? A) A B) B C) C D) None of the above 50. Base your answer to the following question on the diagram below which shows a model of inheritance for the shape of squash. If this cross shown above produced 200 offspring, how many would be round squash? A) Zero B) 50 C) 100 D) 200 Page 7
Science 7-8 Name Class Date 1. A B C D 2. A B C D 3. A B C D 4. A B C D 5. A B C D 6. A B C D 7. A B C D 8. A B C D 9. A B C D 10. A B C D 11. A B C D E 12. A B C D 13. A B C D 14. A B C D 15. A B C D 16. A B C D 17. A B C D 18. A B C D 19. A B C D 20. A B C D 31. A B C D 32. A B C D 33. A B C D 34. A B C D 35. A B C D 36. A B C D 37. A B C D 38. A B C D 39. A B C D 40. A B C D 41. A B C D 42. A B C D 43. A B C D 44. A B C D 45. A B C D 46. A B C 47. A B C 48. A B C D 49. A B C D 50. A B C D 21. A B C D 22. A B C D 23. A B C D 24. A B C D 25. A B C D 26. A B C D 27. A B C D 28. A B C D 29. A B C D 30. A B C D Page 8