Bacteria and Viruses

Presentation

•

Science

•

8th Grade

•

Medium

•

NGSS

MS-LS3-1, HS-ETS1-1, MS-LS4-4

Standards-aligned

Brandi Wall

Used 75+ times

FREE Resource

25 Slides • 13 Questions

Bacteria and Viruses

Multiple Choice

Unlike the cells of eukaryotes, the cells of bacteria do not have

a nucleus

cell walls

flagellum

cells

Multiple Choice

All bacteria are harmful.

True

False

Multiple Choice

Which of the following can be helpful in treating bacterial diseases but NOT viral diseases?

vaccines

antibiotics

antiviral drugs

aspirin

Multiple Choice

Antibiotics kill viruses

True

False

Multiple Choice

When antibiotics were first developed, most infectious diseases could be controlled by them. Today, certain bacteria are resistant to many antibiotics. One possible explanation for this change is that

the antibiotics killed most of the bacteria that did not have a genetic variation for resistance

the bacteria needed to change in order to produce more antibiotics

some of the bacteria learned how to resist the antibiotics

antibiotics have become weaker over the years

Multiple Choice

A tiny, nonliving particle that invades and then reproduces inside a living cell.

host cell

bacteria

virus

pathogen

Multiple Choice

Living cell in which a virus can actively multiply.

host cell

microbe

infection

fungi

Multiple Choice

Reasons that viruses are considered to be nonliving is because

They are not cellular

They cannot reproduce on their own

They cannot make proteins

all of the above

Multiple Choice

What is the first step of the virus reproduction cycle?

The viruses genetic material (DNA) starts to take over the functions of the cell

The host cell bursts open, releasing the new viruses

The virus injects its genetic material into the cell

A virus attaches to the surface of a host cell

Multiple Choice

When a virus invades a living cell, its _______
takes over the cell's functions.

outer coat

genetic material

core

cytoplasm

Multiple Choice

Which is the BEST way to help prevent the flu virus from becoming a pandemic?

sleeping 8 hours a night

taking antibiotics

getting a vaccination

eating fruits and vegetables

Multiple Choice

Why do doctors suggest that people get a flu vaccine each year?

viruses replicate more rapidly over time

viruses can mutate from year to year

vaccines are absorbed by the body after a year

vaccines get stronger over time

Multiple Choice

Which BEST compares bacteria and viruses?

bacteria are smaller than viruses

bacteria cause disease, but viruses do not

bacteria are living organisms, but viruses are not

bacteria have genetic material, but viruses do not

Bacteria and Viruses

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