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Test Booklet Subject: Sci, Grade: 7 Cell Unit Test - B Student name: Author: Mary Teren School: TAPP MIDDLE SCHOOL Printed: Tuesday January 22, 2013 Cell Unit Test - B Sci:7 1 Use the drawing below to answer the question. Moose 3 Which statement correctly describes a difference between plant cells and animal cells? A Animal cells have cell membranes, but plant cells do not. B Plant cells have cell membranes, but animal cells do not. C Animal cells have chloroplasts, but plant cells do not. D Plant cells have chloroplasts, but animal cells do not. 4 Even on a windy day, most plants can remain upright. Which structure plays the greatest role in providing a plant with this type of support? What is the smallest structural level of a moose? A B C D eyes cells antlers A B C D nucleus mitochondrion cell wall skeleton tissues 5 Which statement correctly identifies a function of 2 An average adult male African elephant has a mass of 7,000 kilograms. The mass of a newborn African elephant can range from 90-120 kilograms. Which change occurs as the mass of the young elephant increases? A B C D Page 1 The elephant’s cells multiply to form tissues. New organ systems are added in the elephant. All of the elephant’s body cells increase in size. New organs are formed in the elephant’s organ systems. a chloroplast in eukaryotic cells? A It contains cellulose, which helps a plant conduct respiration. B It contains cellulose, which helps an animal conduct respiration. C It contains a green pigment, which helps a plant capture energy from sunlight. D It contains a green pigment, which helps an animal capture energy from sunlight. Go On Cell Unit Test - B 6 A human baby and adult are pictured below. Sci:7 8 Mammals must eliminate waste products that their bodies produce. Which organ helps mammals eliminate bodily waste? A B C D appendix kidney pancreas stomach 9 Which statement describes how a plant cell’s functions would change in the absence of a vacuole? A The cell would not be able to produce proteins. B The cell would lack energy to destroy foreign Which of the following processes enables the baby to become an adult? A B C D development of new genes genetic changes objects. C Fluid and wastes would not be stored within the cell. D Materials would not be transported between the nucleus and cell membrane. production of sex cells repeated cell divisions 10 Which organelle provides evidence that this cell can produce its own food from sunlight? 7 Human bodies have complex structures that support growth and survival. What is the most basic structure of the human body that supports growth and survival? A B C D a cell a tissue an organ an organ system A B C D Page 2 organelle 1 organelle 2 organelle 3 organelle 4 Go On Cell Unit Test - B 11 Based on the differences between plant and animal cells, which cell is most likely from a plant? Sci:7 12 Which statement correctly identifies a difference between the function of most arteries and veins? A Arteries carry red blood cells, whereas veins carry white blood cells. A B Veins carry red blood cells, whereas arteries carry white blood cells. C Arteries carry blood to the heart, whereas veins carry blood away from the heart. D Veins carry blood to the heart, whereas arteries carry blood away from the heart. B 13 A scientist examines a structure within a cell that contains a large amount of genetic material. Which statement best identifies this structure’s function? C A B C D It controls cellular activities. It stores food, water, and wastes. It gives the cell shape and support. It uses light energy to make sugars. 14 Which student correctly identified characteristics that are specific to animals? D A B C D Page 3 student 1 student 2 student 3 student 4 Go On Cell Unit Test - B Sci:7 15 Examine the tissue below. A scientist studying the brain examines the above tissue under a microscope. Which statement best identifies a function of this tissue type? A B C D It breaks down food and processes it for use in the body. It conducts information from one part of the body to another. It moves oxygen and carbon dioxide throughout the body. It provides a basic framework and support system in the body. 16 Which student correctly identifies the cell structure responsible for producing food and the cell structure responsible for storing materials in a plant cell? A B C D Page 4 student 1 student 2 student 3 student 4 Go On Cell Unit Test - B Sci:7 17 A student draws and labels the parts of an animal cell, as shown below. What organelle is labeled incorrectly? A B C D Mitochondrion Golgi Apparatus Vacuole Ribosome 18 An amoeba divides into two identical daughter cells. They have exactly the same characteristics as the parent amoeba. Which best describes the amoeba’s division? A B C D Page 5 Diffusion Meiosis 19 Which organ contains smooth muscle tissue? A B C D liver brain heart stomach Mitosis Osmosis Go On Cell Unit Test - B Sci:7 20 Diagrams of a plant cell dividing are shown out of sequence. What is the correct sequence of plant cell division? A B C D 3, 2, 5, 1, 4 4, 3, 2, 1, 5 3, 4, 5, 1, 2 5, 1, 2, 4, 3 21 Which best describes the function of a ribosome? A B C D storing waste products manufacturing proteins digesting food particles providing support 22 Which illustrates the correct order of relationships in organisms? A B C D Page 6 23 A scientist wanted to study a cell which lacked the structure that contains the materials needed to control cell activities. Which structure would need to be missing from the cell for this study to take place? A B C D nucleus vacuole lysosome mitochondrion tissue—>organ system—>organ—>cell organ—>cell—>organ system—>tissue 24 What is formed during photosynthesis and broken down during cellular respiration? cell—>tissue—>organ—>organsystem organ system—>organ—>cell—>tissue A B C D water glucose lactic acid carbon dioxide Go On Cell Unit Test - B 25 Some animals use large amounts of energy while performing normal activities. What organelles do these animals most likely have large numbers of in their muscle cells? A B C D nuclei Sci:7 Base your answer on the diagram of a green plant below and on your knowledge of science. Four parts of the plant are labeled A, B, C, and D. 28 In which part of the plant does most photosynthesis occur? chloroplasts Golgi bodies mitochondria 26 The feature that identifies an organism as a prokaryote is A B C D the presence of ribosomes. the absence of chlorophyll. the presence of a cell membrane. the absence of a nuclear membrane. 27 What is the primary difference between diffusion and osmosis? A Diffusion requires energy input but osmosis does not. B Diffusion does not require energy input but osmosis does. C Diffusion is the movement of water from high to low concentration, while osmosis is the movement of any substance from high to low concentration. A B C D A B C D D Diffusion is the movement of any substance from high to low concentration, while osmosis is the movement of water from high to low concentration. Page 7 Go On Cell Unit Test - B Sci:7 29 The illustrations below represent two different cells. Which of the following statements best identifies these two cells? A B C D 30 Cell X is a prokaryotic cell and cell Y is a eukaryotic cell. Cell X is an archae cell and cell Y is a eubacterial cell. Cell X is a red blood cell and cell Y is a muscle cell. Cell X is a plant cell and cell Y is an animal cell. Exocytosis in Gland Cell The pictures show how a gland cell secretes hormones. This diagram shows that this process is — A B C D Page 8 a form of diffusion, requiring no energy. a form of active transport, meaning the cell must use energy. the only method of getting substances out of cells. cyclic in nature and requires three weeks to complete. STOP