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Unit Two Review

Total questions: 14

Worksheet time: 10mins

Name
Class
Date
1.

What is a eukaryotic cell?

a)

A cell with a nucleus.

b)

A cell without a nucleus.

c)

A cell with no organelles

d)

A cell without cytoplasm.

2.

All living things are

a)

made of cells

b)

reproduce

c)

grow and develop

d)

all of the above

3.

What is the function of cytoplasm?

a)

Cytoplasm is the "brain" of the cell.

b)

Cytoplasm controls all cells.

c)

Cytoplasm in the jelly-like substance in cells

d)

has a flaggellum

4.

What is true about unicellular organisms?

a)

They have a true nucleus and no cell membrane.

b)

They contain no DNA or organelles.

c)

Contain no cytoplasm and make up complex organisms.

d)

They are composed of only one cell.

5.

True of false? All cells contain flagellum?

a)

true

b)

false

6.

True of false? All cells can make copies or reproduce other cells?

a)

True

b)

False

7.

Which statement is true of prokaryotic cells?

a)

Prokaryotic cells have no nucleus

b)

Prokaryotic cells contain DNA

c)

Prokaryotic cells are single-celled organisms.

d)

All of the above is correct

8.

What are the most common substances in all living things?

a)

oxygen, water, and carbon dioxide.

b)

carbohydrates, proteins, nucleic acids, and lipids.

c)

soil, water, and oxygen.

d)

water, carbon dioxide, and sugar.

9.

What is true of photosynthesis?

a)

a. Plants using the energy of the sun

b)

b. The process by which plants make their own food using carbon dioxide, water and sunlight.

c)

c. Plants using oxygen to produce carbon dioxide

d)

d. Animals using the sun's energy.

e)

Both a and b

10.

What does the word mutualism mean?

a)

Mutualism is a symbiotic relationship where two organisms both benefit.

b)

Mutualism is a symbiotic relationship in which one organism benefits and the other organism is harmed.

c)

Mutualism is a relationship involving a predator and its prey.

d)

Mutualism is a relationship in which one organism treats another organism like a family member.

11.

What is commensalism?

a)

A relationship between organisms in which one benefits and the other in unaffected/nor harmed.

b)

A relationship between organisms in which one organism is harmed/hurt and the other benefits.

c)

A relationship in which both organisms benefit.

d)

None of the above.

12.

What three things is needed for all organisms to survive? Click the three that are correct.

a)

Water

b)

Friends

c)

space

d)

Sunlight

e)

food

13.

What is an invasive species?

a)

A species that helps an environment

b)

A species that harms an environment

c)

I species that does not effect an environment

d)

None of the above

14.

What is an example of an autotroph?

a)

lion

b)

tiger

c)

tree

d)

worm