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Intro to Life Science

Total questions: 30

Worksheet time: 15mins

Name
Class
Date
1.

A field of science that

deals with the study of

living things such as

plants, animals, and

microorganisms.

a)

Life Science

b)

Chemistry

c)

Physics

d)

Earth Science

2.

When you step out into the cold, your body shivers in order to keep its temperature at 98.6F. Which characteristic of life does this represent?

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

3.

A camel has eyelashes that work to keep the dust and sand out of its eyes. Which characteristic of life does this represent?

a)

All living things adapt to their environment

b)

All living things grow

c)

All living things have cells

d)

All living things use energy

4.
Rocks are not living because
a)
they never move
b)
they aren't needed for humans
c)
they are not made of cells
d)
they don't break down
5.

Which statement describes ALL living things?

a)

They are composed of one or more cells.

b)

They must reproduce sexually.

c)

They have organ systems to carry out the processes of life.

d)

They are capable of making their own food.

6.

A baby song bird hatches from its egg with both parent songbirds watching. Which characteristic of life does this represent?

a)

All living things reproduce

b)

All living things maintain homeostasis

c)

All living things use energy

d)

All living things grow

7.

Which characteristic is shown: A plant switches position and follows the sunlight throughout the day.

a)

Grow and develop

b)

Respond to a stimulus

c)

Acquire and use energy

d)

Reproduce

8.

Which of the following is NOT an example of an adaptation?

a)

birds migrating during the winter months

b)

the total sum of all the chemical reactions in your body

c)

humans evolving the ability to digest lactose (sugar in milk)

d)

the ability of dolphins to communicate in aquatic environments

9.
A _____ is something in the environment that causes an organism to respond.
a)
stimulus
b)
response
c)
cause
d)
effect
10.

___________a molecule that is present in all living cells and that contains the information that determines the traits a living thing inherits and needs to live.

a)

Cell

b)

Stimulus

c)

Homeostasis

d)

DNA

11.
When many organ systems work together it can form...
a)
organ
b)
cells
c)
organ system
d)
organism 
12.
This is a example of........ 
a)
organ system
b)
cells
c)
organ
d)
tissue
13.

Which statement was NOT included in cell theory?

a)

All living things are composed of cells.

b)

Living cells come only from other living cells.

c)

Each cell contains a cell membrane, cytoplasm, nucleus, mitochondria, and endoplasmic reticulum.

d)

Cells are the smallest structure of living things that can perform the functions necessary for life.

14.

Who discovered and named cells while looking at cork?

a)

Captain Hook

b)

Robert Hooke

c)

Matthais Schleiden

d)

Rudolf Virchow

15.

What was Schleiden convinced of?

a)

All plants are made of cells

b)

All animals are made of cells

c)

All cells are prokaryotic

d)

None of the above

16.
The brain or "control center" of the cell. 
a)
Mitochondria
b)
Cell Membrane
c)
Cytoplasm
d)
Nucleus
17.

Protective outermost layer of animal cells:

a)

Cell Membrane

b)

Nucleus

c)

Chromatin

d)

Microtubules

18.

What is the function of a chloroplast?

a)

makes proteins for animal cells

b)

allows materials in and out of the cell

c)

provides structure and support

d)

absorbs sunlight for photosynthesis

19.

Identify the structure that is indicated by the arrow in the image.

a)

cell wall

b)

central vacuole

c)

chloroplast

d)

nucleus

20.

The arrow is showing the fluid inside the cell that surrounds the cell organelles and gives the cell its shape. What is the arrow pointing to in the cell?

a)

cytoplasm

b)

mitochondria

c)

ribosomes

d)

nucleus

21.

If many of the ribosomes of a cell were destroyed, what effect would this most likely have on the cell?

a)

The cell would not be able to create energy.

b)

The cell would not be able to make proteins.

c)

The cell would not e able to photosynthesize.

d)

The cell would not be able to break down waste in the cell.

22.

Which statement is true about organelles that make food for animal and plant cells?

a)

The mitochondria makes food for animal cells, and the nucleus makes food for plant cells.

b)

The mitochondria makes food for plant cells, and the nucleus makes food for animal cells.

c)

The chloroplasts make food for animal cells, but plant cells cannot make their own food.

d)

The chloroplasts make food for plant cells, but animal cells cannot make their own food.

23.

If a cell is compared to a city, then the Golgi apparatus, acts as the

a)

trash service of the cell as it removes waste from the cell

b)

post office of the cell by packaging and sorting proteins

c)

mayor of the cell as it controls all of the cell's activities

d)

electrical plant of the cell by making usable energy

24.
This organelle is a rigid outer layer that protects plant cells.
a)
Cell Membrane
b)
Cell Wall
c)
Nucleus
d)
Chloroplast 
25.

The _____________ is a gel-like fluid that fills plant and animal cells. It holds the organelles in place and gives each cell its shape.

a)

Cytoplasm

b)

Cell Membrane

c)

Cell Wall

d)

Chloroplast

26.
The picture illustrates a
a)
Prokaryotic Plant Cell
b)
Prokaryotic Animal Cell
c)
Eukaryotic Plant Cell
d)
Eukaryotic Animal Cell
27.
control, read, and direct the cell using DNA instructions
a)
nucleus
b)
mitochondria
c)
endoplasmic reticulum
d)
lysosome
28.
break down (digest) worn out cell parts, mostly in animal cells
a)
cytoplasm
b)
lysosomes
c)
mitochondria
d)
vacuoles
29.
What is the function of nucleus?
a)
Structure that organizes motion of chromosomes. 
b)
Structure that contains DNA and directs the cell 
c)
Membrane that surrounds and protects the cell 
d)
Stack of membranes that packages chemicals
30.
Which 2 organelles are only found in plant cells?
a)
chloroplast and mitochondria
b)
chloroplast and cell membrane
c)
mitochondria and cell wall
d)
chloroplast and cell wall