revision

Where would we find bacteria?

• On the table

• On the floor

• All around us

How do we see bacteria?

• Through sunglasses

• Through a camera

• Through a microscope

How many common shapes of bacteria are there?

• 5

• 3

• 7

All bacteria are bad

• True

• False

We should not wash our hands after using the toilet

• True

• False

Bacteria reproduce by .....

• Dividing themselves

• Seeds

• Spores

How are bacterial cells different from the cells of eukaryotes?

• The bacteria are prokaryotes, and the genetic material is not contained in the nuclei.

• The bacteria are eukaryotes, and the genetic material is not contained in the nuclei.

• The bacteria are prokaryotes, and the genetic material is contained in the nuclei.

• The bacteria are eukaryotes, and the genetic material is contained in the nuclei.

How is bacteria helpful?

• Provide carbon dioxide, food products, environmental recycling, medicine.

• Provide oxygen, food products, environmental recycling, medicine.

• Provide oxygen, food wastes, environmental recycling, medicine.

• Provide oxygen, food products, environment medicine.

Tiny structures that produce proteins inside bacteria

• bacteria

• ribosomes

• cytoplasm

• endospore

A process by which bacteria reproduce asexually

• binary fission

• cellular respiration

• pasteurization

• decomposers