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Transcript
Name_____________________________#________________ Date_____________________ Chapter 1 Test Structure and Function of Cells (35 pts. total) Multiple Choice. Directions: Circle the letter of the answer that best completes the statement or answers the question. ( 6 pts.) 1. How many different kinds of organisms live on Earth? a. about 3,000 b. about 1 million c. about 30 million d. about 1 billion 2. What do all organisms that live on Earth have in common? a. All have a similar body structure b. All are capable of photosynthesis c. All can live in the ocean d. All are made of cells 3. The four ingredients necessary for photosynthesis are a. oxygen, water, energy from the sun, and a cell wall b. carbon dioxide, water, energy from the sun, and chlorophyll c. carbon dioxide, oxygen water, and chlorophyll d. oxygen, simple sugars, carbon dioxide, and a cell wall 4. Animals get energy they need by a. absorbing sunlight b. drinking water c. breathing air d. eating food. 5. Cell theory states that a. the cell is the basic unit of all animals b. cells form from other living cells c. only living things can carry out photosynthesis d. the cell is visible only with an electron microscope 6. Your body grows as you get older because a. each individual cell gets larger b. the number of cells increases c. the cells in your body change shape d. more different kinds of tissues are created Short Essay. Directions: Use complete sentences to answer the following questions. 1. Explain three ways in which plant cells differ from plant cells. (3 pts.) ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _____________________________________________________________________________________ 2. How are plants important to all living things? (2 pts.) ______________________________________________________________________________ ______________________________________________________________________________ ______________________________________________________________________________ _____________________________________________________________________________________ Matching. Directions: Match each meaning with the correct term. Write the letter of the term on the line before the meaning. (8 pts.) _____1. Control center of the cell A. vacuole _____2. Organelle that transports material inside the cell B. cell membrane _____3. Clear, jellylike material between the nucleus and the cell membrane C. endoplasmic reticulum _____4. Organelles where food and oxygen react to release energy D. chloroplasts _____5. Saclike organelles that store materials E. cytoplasm _____6. Organelles that manufactures proteins for the cell F. mitochondria _____7. Holds the parts of the cells together and controls movement of materials into and out of the cell G. ribosomes _____8. Contain chlorophyll that gives a plant its green color and traps the energy from sunlight for photosynthesis H. nucleus Labeling Directions: Label each part of the cells with the correct term from the word bank. (16 pts) Word Bank: cell membrane cell wall cytoplasm mitochondria chloroplast cell membrane cytoplasm mitochondria endoplasmic reticulum endoplasmic reticulum nucleus nucleus ribosomes ribosomes vacuole vacuole