Cells and Microorganisms Summative Review

A ladybug and a flower both____________________.

• are supported by stems

• have antenna

• have wings

• are made of cells

Tags

NGSS.MS-LS1-1

Microorganisms can benefit people or harm people. Choose ALL the ways that they can BENEFIT people.

• They release nutrients in soil.

• They help make antibiotics.

• They cause food to spoil.

• They cause diseases.

A student went to the clinic because he had a sore throat and fever. Nurse Jackie did a test. Nurse Jackie claimed that a harmful microorganism in the student's throat was responsible. Construct an argument to support her claim.

• The microorganism is harmful because it multiplies rapidly.

• The microorganism is harmful because it was found in the student's throat.

• The microorganism found in the student's throat is harmful because a microscope must be used to see it.

• The microorganism found in the student's throat is harmful because it is causing the student to feel ill.

Tim notices after his family eats chicken that has been cooked thoroughly, his family is healthy.

Julie notices that her family becomes ill after eating undercooked chicken.

They read an article in school that claimed that cooking meat kills the microorganisms if the temperature of the chicken reaches 165 degrees. Which argument BEST supports the article's claim?

• Chicken does not contain microorganisms that impact the family getting sick.

• Cooking chicken to an appropriate temperature, kills the microorganisms that would make someone ill.

• Chicken bought from the grocery store is already cleaned, processed, and ready to eat.

• Cooking chicken to the appropriate temperature actually increases the amount of microorganisms because they survive better at higher temperatures.

A student views the cells in the picture through a microscope and claims they are plant cells. Which explanation supports the student's claim?

• It is a plant cell because it has a nucleus.

• It is a plant cell because it has a cell wall.

• It is a plant cell because it has cytoplasm.

• It is a plant cell because it has a cell membrane.

Tags

NGSS.MS-LS1-2

Which of the following statements is NOT true about plant cells?

• The cell membrane of a plant cell is surrounded by a cell wall.

• Chloroplasts in the cytoplasm make food for the cell.

• Plant cells do not have a cell wall.

• Plant cells have a nucleus that directs the cell's activities.

Tags

NGSS.MS-LS1-2

A student argues that some microorganisms are harmful. Which is evidence that the student could use to support her argument?

• Some bacteria cause diseases.

• Some fungi are microorganisms.

• Some algae are producers in oceans.

• Some bacteria live in the human gut.

Which two questions might a scientist ask to determine if a microorganism is harmful?

• Do microorganisms cause viruses?

• Do microorganisms have a nucleus?

• Did microorganisms cause disease?

• Are microorganisms rare?

Scientists know that plants and animals are made of cells. They know this because_____________________________.

• plants and animals are not living things

• cells are the building blocks of all living things

• plant cells and animal cells have similar structures

• plant cells and animal cells are different

Tags

NGSS.MS-LS1-1

The cytoplasm allows materials to pass in and out of the cells.

• True

• False

Tags

NGSS.MS-LS1-2