Life Science, Bacteria & Viruses, Pre Assessment

What characteristics of viruses makes them useful in gene therapy?

• their ability to enter cells.
• their ability to remain inactive for a long time
• their inability to multiply in cells
• their inability to take over the functions of host cells

Which of the following is NOT a role of bacteria that live in human bodies?

• digesting food
• competing for space with disease-causing bacteria
• making vitamins
• fixing nitrogen

Which of the following statements does NOT describe an active virus?

• It attaches to the host cell.
• It takes over the host cell's functions.
• It. "hides" in the host cell.
• It destroys the host cell.

Which of the following is NOT a role of bacteria that live in human bodies?

• digesting food
• competing for space with disease-causing bacteria
• making vitamins
• fixing nitrogen

Which type of cell fights off harmful bacteria?

• white blood cell
• red blood cell
• skin cell
• nerve cell

Bacteria can cause infections in: 

• People
• Animals
• Plants
• All of the above

Tags

NGSS.MS-LS2-4

Which system in our bodies fights infections?

• the digestive system
• the immune system
• the cardiovascular system
• all of the above

Which disease is caused by a virus, NOT bacteria?

• scarlet fever
• pneumonia
• flu
• tuberculosis

By itself, a virus is

• a living animal
• a type of plant
• lifeless
• a harmful infection

Which disease is causes by bacteria, NOT a virus?

• typhoid fever
• the common cold
• measles
• influenza