Question

Which of these is not true about bacteria? *
1. They are unicellular
2. They are of different shapes
3. They are all harmful to us
4. They are among the oldest organisms found on the planet. ​

Answer 1

Explanation:

They are among the oldest organisms found on the planet.

Answer 2

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Option 3 coz

all bacterias are not harmful . there are some good bacteria too .

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