Igcse Model Questions Vol1 2024 Biology Question 1
Practice practical question 1 from the 2024 Igcse Model Questions Vol1 Biology examination. This question covers Cell Structure, Microscopy, Cell size and shape .
A student investigates the size and shape of epidermal cells of an onion (Allium cepa) leaf using a light microscope. The slide is prepared by peeling a thin layer of epidermis, staining with iodine solution and observing at 400× magnification. The student records the length and width of ten cells (in µm) as shown in the table below. | Cell | Length (µm) | Width (µm) | |------|-------------|------------| | 1 | 45 | 20 | | 2 | 48 | 22 | | 3 | 50 | 21 | | 4 | 46 | 19 | | 5 | 49 | 20 | | 6 | 47 | 21 | | 7 | 51 | 22 | | 8 | 44 | 20 | | 9 | 48 | 19 | |10 | 50 | 21 | Using this data, answer the following questions.
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This is Igcse Model Questions Vol1 2024 Biology Question 1. It is one of the practical questions from the 2024 Igcse Model Questions Vol1 Biology examination.
The question covers Cell Structure, Microscopy, Cell size and shape .
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