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Q. |
The basic structural and functional unit of living organisms is - |
A. | Cell |
B. | Tissue |
C. | Organ |
D. | Systems |
Answer» A. Cell | |
Explanation: Robert Hooke (1665) observed a section of cork under his microscope and found its structure resembling a 'honey comb'. He gave the name 'cell' to each of the compartments of the honey comb like structure. Two German biologists, M Schleiden and T Schwann, proposed the famous cell theory in 1938-39. |
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