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Tardigrade
Question
Biology
Arrange the following cells in the ascending order of their sizes. i. Mycoplasma ii. Ostrich eggs iii. Human RBC iv. Bacteria
Q. Arrange the following cells in the ascending order of their sizes.
i. Mycoplasma ii. Ostrich eggs iii. Human RBC iv. Bacteria
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NTA Abhyas
NTA Abhyas 2022
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A
i, iv, iii & ii
B
i, iii, iv & ii
C
ii, i, iii & iv
D
iii, ii, i & iv
Solution:
Mycoplasmas, the smallest cells, are only 0.3 μm in length, while bacteria could be 3 to 5 μm. The largest isolated single cell is the egg of an ostrich. Among multicellular organisms, human red blood cells are about 7 μm in diameter.