Part 1 Multiple Choice Shade the correct answer on the SCANTRON sheet provided.

Transcription

1 Part 1 Multiple Choice Shade the correct answer on the SCANTRON sheet provided. 1. The type of electron microscope that gives 2 dimensional images. a) Scanning b) Condensing c) Transmission d) Multidimensional 2. Found in plant cells but not animal cells a) Cell Membrane b) Ribosomes c) Cell Wall d) Sunlight 3. The liquid part of a cell, it is located inside the cell membrane. a) rasmul b) cytoplasm c) slime d) ectoplasm 4. Part of cell that controls entry and exit of substances from a cell a) cell membrane b) vesicle c) vacuole d) nucleus 5. Substances that act as tunnels to allow certain things through the cell membrane. a) Proteins b) Carbohydrates c) Lipids d) Cholesterol 6. Help put together proteins. a) Ribosomes b) Vesicles c) Lysosome d) Cell membrane 7. The power house of the cell, muscles cells have lots of them. a) Mitochondria b) Chloroplasts c) Nucleus d) Ribosomes 8. The inside skeleton of a cell, it supports the cell and moves cell parts around. a) exoskeleton b) cytoskeleton c) endoskeleton d) hinaskeleton 9. Which is large in plant cells but smaller and more plentiful in animal cells? A. chloroplast C. vesicle B. chromosome D. vacuole 10. Which is most likely a prokaryotic cell? A. bacterium C. cheek cell B. onion root cell D. virus 11. Which of the following is only found in animal cells? A. chloroplast C. centriole B. lysosome D. mitochondria 12. Where are ribosomes most likely to be found? A. smooth endoplasmic reticulum C. nucleus B. Golgi Apparatus D. rough endoplasmic reticulum

2 13. Which of the following pairs is mismatched? A. lysosomes ; protein synthesis B. nucleus ; DNA replication C. cell membrane ; lipid bilayer D. golgi body ; chemical packaging 14. The brain or control center of the cell is A. nucleolus B. centrosome C. nucleus D. mitochondrion 15. The continuous network of membranes that acts like a high way and allows distribution of substances throughout the cytoplasm is called the A. nuclear envelope C. endoplasmic reticulum B. microtubules D. cytoskeleton 16. In which organelle does photosynthesis occur? A. Chloroplast C. Mitochondria B. Nucleus D. Cytoplasm 17. Movement of a molecule against a concentration gradient is? a. simple diffusion c. active transport b. facilitated diffusion d. osmosis 18. water crosses the cell membrane through the process of a. osmosis c. active transport b. diffusion d. endocytosis

3 19. Two identical plant cell samples of equal mass were taken from the same plant and were prepared for an experiment. Each sample was placed in a different solution. The percent change in mass was recorded and graphed over an eight hour period as shown below. Given the results, which of the following statements is accurate? a. Solution A was hypotonic to the plant cells. b. Both solutions were isotonic to the plant cells. c. Both solutions were hypertonic to the plant cells. d.. Solution A was hypertonic and solution B was hypotonic to the plant cells 20. Carrier molecules( proteins ) in the plasma membrane are required for. a. diffusion b. osmosis c. facilitated diffusion only d. active transport e. both active transport and facilitated diffusion 21. White blood cells engulf bacteria(considered large) through what process? a) exocytosis c. pinocytosis b) phagocytosis d. osmosis 22. What occurs when a cell is placed in a solution that is hypertonic. A. The volume of the cell increases. B. More solute diffuses out of the cell. C. More water leaves the cell than enters the cell. D. The concentration of solute in the cell decreases.

4 23. The bag in the beaker above is only permeable to water. What will happen to the concentration of glucose and sucrose in the solution in the beaker after 24 hours? A. Glucose decrease Sucrose increase B. increase increase C. increase decrease D. decrease decrease 24. A cell must use energy to rid itself of all of its poisonous waste. Which one of the following processes can best explain what is happening? A. osmosis C. active transport B. passive transport D. diffusion 25. Which of the following microscopes gives a 3D image that is illuminated using electrons. A. Light B. TEM C. SEM d. Dissecting 1. Compare and contrast passive transport vs. active transport.

5 2. Explain, with the use of diagrams, the differences between plants and animal cells when placed in a. isotonic solution b. hypertonic solution c. hypertonic solution