The Fundamental Unit of Life — Science STD 9 — Question
Gujarat BoardEnglish MediumSTD 9ScienceThe Fundamental Unit of Life1 Mark
MCQ
Robert Hooke actually observed $........$ of cells.
✓
Cell walls.
B
Protoplasts.
C
Wall$-$less cells.
D
Walled cells.
✓
Answer
Correct option: A.
Cell walls.
Robert Hook discovered cells in $1655$ with the help of compound microscope. He was observing insects, sand, bird feathers, fossils and plants. Once he was observing a thin slice of cork under the microscope he found a framework similar to honeycomb$-$like structure. He named those structures as cells but those were actually non living cell walls.
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