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Life Unit 2

Total questions: 37

Worksheet time: 20mins

Name
Class
Date
1.

A virus that has its genetic material in the form of RNA

a)

viroid

b)

retrovirus

c)

virus

d)

bacterium

2.

What triggers an immune response from your body and is composed of weakened or "dead" viruses?

a)

vaccine

b)

hepatitis

c)

antibiotic

d)

bacteriophage

3.

How do viruses reproduce?

a)

invading a cell and using it to make new parts

b)

sexually

c)

asexually

d)

binary fission

4.

What is one way viruses are NOT transmitted?

a)

through the air you breathe, food you eat, and water you drink

b)

insects and bodily fluids

c)

through your thoughts

d)

All answers are ways viruses are transmitted

5.

When a virus invades a cell, its DNA often resembles its ___________.

a)

parent

b)

host

c)

offspring

d)

guest

6.

Viruses are not considered living things because ...

a)

they don't have genetic material

b)

they can't reproduce

c)

they don't have proteins

d)

they aren't made of cells

7.

Which of the following are viral diseases? (Choose all that apply)

a)

mumps

b)

hepatitis

c)

strep

d)

the flu

e)

chicken pox

8.

Which of the following are bacterial diseases? (Choose all that apply)

a)

the flu

b)

Tetanus

c)

measles

d)

Tuberculosis

e)

strep

9.

Which of the following is a fungal disease? (Choose all that apply)

a)

yeast infeections

b)

hepatitis B

c)

athlete's foot

d)

ringworm

10.

Which of the following are diseases caused by protists? (Choose all that apply)

a)

Tetanus

b)

Dysentery

c)

Athlete's Foot

d)

Malaria

e)

African Sleeping Sickness

11.

True or false: Viruses that start out affecting animals will never be able to affect humans.

a)

True

b)

False

c)

both answers are correct

12.

What type of organisms are bacteria?

a)

one-celled organisms without a nucleus

b)

one-celled organisms with a nucleus

c)

multicellular organisms without a nucleus

d)

multicellular organisms with a nucleus

13.

What should you do if you test positive for strep?

a)

Nothing because all bacteria are helpful.

b)

Get a vaccine for strep

c)

Get antibiotics

d)

Come to school anyway

14.

Why do plants need nitrogen to grow?

a)

So they can make oxygen

b)

So they can make carbon dioxide

c)

So they can die peacefully

d)

So they can make proteins

15.

Where do bacteria live?

a)

only in moist environments

b)

almost everywhere

c)

only in cold environments

d)

only in extreme environments

16.

Which organisms are considered extremophiles because of the extreme conditions in which most of them live?

a)

viruses

b)

archaea

c)

bacteria

d)

fungi

17.

Which of the following is a difference between bacteria and archaea?

a)

only bacteria reproduce by binary fission

b)

only archaea have DNA

c)

they have different types of cell walls

d)

only bacteria have a flagellum

18.

If you get food poisoning, it was most likely caused by a bad what?

a)

a virus

b)

a bacteria

c)

a fungi

d)

a protist

19.

How can bacteria be helpful? (Choose all that apply)

a)

creating vaccines

b)

attacking harmful bacteria

c)

making vitamins

d)

digesting food

e)

giving you food poisoning

20.

Which organisms are only heterotrophic?

a)

fungi

b)

bacteria

c)

protists

d)

plants

21.

Some bacteria and some protists can make their own food through photosynthesis, making them what?

a)

heterotrophic

b)

claustrophobic

c)

photogenic

d)

autotrophic

22.

Bacteria and protists that decompose dead matter like fungi are considered _________________.

a)

autotrophic

b)

decomposers

c)

famous composers

d)

decomposing composers

23.

What of the organisms below can reproduce both sexually and asexually? (Choose all that apply)

a)

bacteria

b)

viruses

c)

fungi

d)

protists

24.

Some protists reproduce like bacteria, through ____________________.

a)

sexual reproduction

b)

spores

c)

budding

d)

binary fission

25.

Which of the following are types of fungi? (Choose all that apply)

a)

seeds

b)

yeast

c)

flour

d)

mushrooms

e)

mold

26.

What do you call the thing that mushrooms release that can become a grown adult without reproducing sexually?

a)

buds

b)

fruiting bodies

c)

spores

d)

hyphae

27.

Why do many spores never make it to adulthood, and die tragically young?

a)

They landed in the right conditions for them to grow

b)

They need very spcific conditions

c)

They thrive in dry environments

d)

they ate too much food

28.

What type of organism is algae?

a)

fungi

b)

protist

c)

bacteria

d)

none of these are correct

29.

Which protist can perform photosynthesis and make its own food?

a)

algae

b)

bacteria

c)

slime mold

d)

mildew

30.

amoebas and protozoas are what type of protist?

a)

animal-like

b)

plant-like

c)

fungus-like

d)

none of the answers are correct

31.

algae, planktons and diatoms are what kind of protists?

a)

animal-like protists

b)

plant-like protists

c)

fungus-like protists

d)

human-like protists

32.

Red tide is a result of what organisms releasing a powerful toxin?

a)

animals

b)

fungi

c)

bacteria

d)

protists

33.

What orgnisms encase themselves in a silicon shell?

a)

mollusks

b)

amphibians

c)

diatoms

d)

amoebas

34.

A protist that is found in many of the foods we eat:

a)

blue-green algae

b)

seaweed

c)

brown algae

d)

red tide

35.

Which type of algae is there the most of in the world?

a)

red algae

b)

brown algae

c)

green algae

d)

golden algae

36.

What do amoebas have that is like a foot, that helps them move and be sort of animal-like?

a)

hands

b)

a nucleus

c)

a pseudopod

d)

a flagellum

37.

How are fungus-like protists like fungi?

a)

They are autotrophs

b)

They can make their own food

c)

They have a pseudopod foot

d)

They are decomposers