Question
Viruses and Bacteria
| Viruses | Bacteria | ||
| $1.$ | AS viruses are very Minute, they can be seen with an electron microscope only. | $1.$ | Bacteria can be seen with a compound microscope. |
| $2.$ | They do not have cellular structure. | $2.$ | They possess cellular structure. |
| $3.$ | They are definitely harmful to us. | $3.$ | They are useful as well as harmful to us. |
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