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Multicellular organisms - class-XI
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Different cells have different sizes. Arrange the following cells in an ascending order of their size and select the correct option.
(i) Mycoplasma (ii) Ostrich egg (iii) Human RBCs (iv) Bacteria.
(i) Mycoplasma (ii) Ostrich egg (iii) Human RBCs (iv) Bacteria.
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A
$(i)\rightarrow (iv)\rightarrow (iii) \rightarrow (ii)$
💡 Explanation:
The size order is: Mycoplasma (smallest, 0.1-0.3 micrometers) < Bacteria (1-2 micrometers) < Human RBCs (~7-8 micrometers) < Ostrich egg (largest, macroscopic).