Electron microscopy, and the size and scale of cells
Quiz by Oak National Academy: GCSE Combined Science Edexcel Foundation
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6 questions
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- Q1Which type of microscope uses electrons to view specimens in 3D?light microscopescanning electron microscopetransmission electron microscopecompound microscope30s
- Q2In microscopy, what does the term 'resolution' refer to?the size of the microscope stagethe distance at which two distinct points of a specimen can still be seenthe brightness of the light sourcemaking small objects appear larger in order to see more detail30s
- Q3Which microscope would be most suitable for observing detailed structures within a cell, such as chloroplasts?scanning electron microscopelight microscopecompound microscopetransmission electron microscope30s
- Q4A typical human hair has a diameter of approximately 60 micrometres (µm). What is its diameter in nanometres?60 000 nm6000 nm600 nm60 nm30s
- Q5The nucleus of a cell measures 5 micrometres (µm) in diameter. In an image, the nucleus appears as 20 millimetres. What is the magnification of the nucleus in the image?40x400x4000x40 000x30s
- Q6A plant cell has a length of 20 µm, while a bacterium measures 2 µm in length. How many times longer is the plant cell compared to the bacterium?20 times10 times15 times5 times30s