| Arrange the following cells in an ascending order of their sizes. | |
| (I) Mycoplasma | (II) Ostrich egg |
| (III) Human RBC | (IV) Bacteria |
A) (I), (II), (III), (IV)
B) (I), (IV), (III), (II)
C) (II), (IV), (I), (III)
D) (IV), (III), (II), (I)
Correct Answer: B
Solution :
Mycoplasmas, the smallest cells, are only \[0.3\mu m\] in length while bacteria could be 3 to\[5\mu m\]. Human red blood cells are about \[7.0\mu \operatorname{m}\]in diameter. The largest isolated single cell is the egg of an ostrich.
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