Microscopes and Their Uses

Adela, Kimberly, and Issac were studying plant cells in their biology class. They collected samples from different plants and observed them under a microscope. What term is used to describe their ability to distinguish between two cells in the sample?

• Magnification

• Resolution

• Interference

• Refraction

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Daniel, Efren, and Brianna are biology students who are assigned a project to study the internal structures of a plant cell. Which type of microscope should they ideally use for this purpose?

• Brightfield Light Microscope

• Phase-Contrast Microscope

• Transmission Electron Microscope

• Scanning Electron Microscope

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Kimberly, Daniel, and Aiden are in a high school biology lab, examining a leaf cell under a light microscope. They are wondering about the role of the condenser lens in their microscope. What is its primary function?

• To adjust the light level

• To focus the light on the specimen

• To block the light source

• To visualize the 3D surface

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Eder and Daniel are biologists studying the cells of a rare plant. If the objective lens of their microscope magnifies 40 times and the eyepiece lens magnifies 10 times, what is the total magnification they would observe when they look at the plant cells?

• 400 times

• 100 times

• 50 times

• 4 times

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During a biology lab, Efren and Adela were examining a leaf sample under a microscope. Their lab instructor, Daniel, asked them to adjust a certain knob to get a clearer view of the leaf cells. Which knob were they likely adjusting?

• Coarse focus knob

• Fine focus knob

• Stage knob

• Objective lens

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Aiden, Daniel, and Adela are part of a forensic team investigating a crime scene. They found a tiny piece of evidence that they need to examine in 3D to get a better understanding of its surface structure. Which type of microscope should they ideally use for this purpose?

• Brightfield Light Microscope

• Phase-Contrast Microscope

• Transmission Electron Microscope

• Scanning Electron Microscope

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Aiden, Kimberly, and Alice are in a biology lab, studying the cells of an onion skin under a microscope. What is the purpose of the scanning objective lens they are using on their microscope?

• To visualize the 3D surface of the onion skin cells

• To adjust the light level on the onion skin cells

• To move the stage up or down dramatically for better focus

• To find the onion skin cells they are observing

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Issac, Kimberly, and Aiden are biology researchers. They have a high-tech microscope in their lab. Which of the following could they use the microscope for in their research?

• Investigating the process of cell division in onion root tip cells

• Examining the responses of a Venus flytrap plant to environmental changes

• Observing the process of water movement in potato cells

• All of the above

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