Question

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

• A. (i) $\to$ (iv) $\to$ (iii) $\to$ (ii)
• B. (i) $\to$ (iii) $\to$ (iv) $\to$ (ii)
• C. (ii) $\to$ (i) $\to$ (iii) $\to$ (iv)
• D. (iii) $\to$ (ii) $\to$ (i) $\to$ (iv)

Answer 1

Answer: (A)

(i) $\to$ (iv) $\to$ (iii) $\to$ (ii)

Answer 2

The smallest cell is Mycoplasma $(0.1 - 0.5 \mu m)$. Bacterial cell measures $3 - 5\mu m$ in length. Erythrocytes are $6 - 8 \mu m$ in diameter. The largest cell is the egg of Ostrich