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Teacher Key with Answers Ques Answer Level Skill Subskill Item # 1. B Easy Life Science Cells [47471] D55887 2. B Moderate Life Science Cells [47471] D75810 3. C Hard Life Science Cells [47471] D76963 4. A Easy Life Science Cells [47471] D65271 5. A Easy Life Science Cells [47471] D83782 6. C Moderate Life Science Cells [47471] D74847 7. D Moderate Life Science Cells [47471] D64431 8. B Moderate Life Science Cells [47471] D60170 9. D Moderate Life Science Cells [47471] D51754 10. B Easy Life Science Cells [47471] U101615 11. Amoeba-Heterotrophic Volvox-Both or Autotrophic Paramecium-Heterotrophic Euglena-Both 12. Amoeba-Pseudopods Volvox-Flagella Paramecium-Cilia Euglena-Flagella 13. A 14. A 15. A Easy Life Science Cells [47471] U101616 16. B 17. D 18. Homeostasis 19. Homeostasis 20. Stimulus 21. Stimulus 22. C 23. B 24. C 25. A 26. A Name: ____________________________ Date: ______________________Class Period: Micro-Life: Protozoa 1. The diagram below depicts a plant cell. For teacher use only… MIB_____ ET_____ RAW_____ RAUR_____ SR_____ MTS_____ WWD_____ MGR_____ MAS_____ What cell structure stores water and is indicated by the number 1 in the diagram? A. lysosome B. vacuole C. nucleus D. chloroplast 2. A student was observing a section of cells under a microscope. She noticed they had a boxlike shape, and green-colored, bean-shaped organelles. She also noticed a nucleus that was to the side of the cell. She was most likely examining ____________. A. animal cells B. plant cells C. fungal cells D. prokaryotic cells 3. The majority of organisms on earth are prokaryotic, most of which are comprised of _______________ cell(s). A. multiple B. variable C. a single D. a cluster of 4. What cell structure is responsible for storing water and toxins in a plant cell? A. the vacuole B. the nucleus C. the chloroplast D. the cell membrane 5. Which structure in plant cells makes food from sunlight? A. chloroplast B. nucleus C. mitochondria D. cell membrane 6. In eukaryotic cells, the organelles are __________________. A. all attached to each other B. suspended in air C. suspended in the cytoplasm D. surrounded by walls 7. Which organelle is a part of the photosynthesis process? A. cytoplasm B. cell wall C. chlorophyll D. chloroplasts 8. What sentence correctly identifies a difference between plant and animal cells? A. Animal cells contain chloroplasts and plant cells do not. B. Plant cells contain chloroplasts and animal cells do not. C. Plant cells have a cell membrane and animal cells do not. D. Animal cells have a nucleus and plant cells do not. 9. What organelle is part of a plant cell, but not part of an animal cell? A. cell membrane B. nucleus C. mitochondria D. chloroplasts 10. The euglena and volvox are sensitive to light. What organelle do they both have that helps them find light? A. chloroplast B. eyespot C. mitochondria D. vacuole 11. Match each protozoa according to its ability to produce food; some answers can be used more than once: Amoeba Autotrophic Euglena Heterotrophic Paramecium Both Volvox 12. Match the protozoa with its form of locomotion (movement); some answers can be used more than once. 1. Amoeba Cilia 2. Euglena Flagella 3. Paramecium Pseudopod 4. Volvox 13. The illustrations below are of an euglena, a paramecium, and an amoeba. How do these organisms compare? A. They use different structures for movement. B. They use different structures to control cell activity. C. They all make their own food by photosynthesis. D. They all have eyespots to sense sunlight. 14. This is a diagram of a plant cell. Which organelle is used to transfer energy and can also be found in an animal cell? A. number 1 B. number 2 C. number 3 D. number 4 15. What type of environment do protists live? A. ponds and puddles B. salt water C. polar water regions D. rivers 16. What scenario best describes a stimulus change: A. an animal eating food B. a polar bear being placed in Africa C. a saltwater fish swimming in the ocean D. Turtles laying eggs in the sand 17. Which is not a characteristic of all living organisms: A. able to reproduce B. have DNA C. adapt to environment changes D. have eyes Is the organism demonstrating homeostasis or response to a stimulus? 18. An amoeba engulfs a batch of food into its vacuole 19. A paramecia allows oxygen in its cell and release carbon dioxide 20. A volvox moves to an area of light using its eyespot 21. An euglena using its flagella to move past obstacles 22. For something to be considered living, it must meet all six requirements of life; which organism is considered living? A. Rock B. seed C. tree D. fossil 23. Which organism best matches the description: this organism moves using cilia, is heterotrophic and moves in a spiral motion. A. Volvox B. Paramecium C. Amoeba D. Euglena 24. Which organism does NOT have a definite shape: A. Volvox B. Paramecium C. Amoeba D. Euglena 25. Which organism best matches the description: eats algae, contains chloroplast organelles, has many eye spots: A. Volvox B. Paramecium C. Amoeba D. Euglena 26. All uni-cellular organisms must have certain organelles to be a full functioning cell. Which organelle is NOT necessary for all protozoa? A. Eyespot B. Mitochondria C. Nucleus D. Vacuole