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Bacteria Worksheet and Quiz

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The Seasons

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Bacteria are microscopic organisms that can be found in diverse environments. They consist of a single cell and have a simple internal structure. It has no nucleus or membrane bound organelles. They also have circular pieces of DNA known as plasmids. These plasmids often contain genes that give the bacterium some advantage over other bacteria.

NAME: …………………………………………

Date: …………………………….

Questions:

1. All of the bacteria living in our body collectively weighs ………………………………….

2. The smell of rain is caused by a bacteria called ………………………………….

3. Scientists found ………………………… species of bacteria living just in the bellybutton of human beings.

4. Honey is a natural reservoir for the ………………………………….. bacteria.

5. The cell structure of bacteria is unique because they don’t have ………………………………….

6. Some bacteria have long tails which are also known as ………………………………….

7. Bacteria that can cause diseases in animals and plants are known as ………………………………………..

8. The scientific name for bacteria cells is ………………………………………………..

9. Some bacteria have chemicals that can generate light which is known as ………………………………………

10. The largest known bacteria is …………………………………………………………….

Answers:

1. 4 pounds

2. Actinomycetes

3. 1,458

4. Botulism

5. Nucleus

6. Flagella

7. Pathogens

8. Prokaryotes

9. Bioluminescence

10. Bacillus butschili