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7th Grade Review

Total questions: 87

Worksheet time: 1hrs 14mins

Name
Class
Date
1.
The main purpose of the ____________ system is to break food particles into pieces that can be used.
a)
circulatory
b)
respiratory
c)
digestive
d)
skeletal
2.

The __________ is the main organ of the nervous system.

a)

heart

b)

lungs

c)

brain

d)

skin

3.
___________ are the building blocks of life.
a)
cells
b)
legos
c)
blocks
d)
blood
4.

In multicellular organisms, tissues are made of _______.

a)

organs

b)

systems

c)

cells

d)

blood

5.
When tissues come together, they form ___________.
a)
cells
b)
atoms
c)
organs
d)
systems
6.
What body system makes your body move? 
a)
Circulatory
b)
Respiratory
c)
Skeletal
d)
Muscular
7.
What body system removes the waste from your body? 
a)
Circulatory
b)
Excretory
c)
Digestive
d)
Respiratory
8.
What body system consists of the heart?
a)
Excretory
b)
Digestive
c)
Circulatory
d)
Respiratory
9.
My spinal cord helps _________ travel between my brain and the nerves in my body. 
a)
Memories
b)
Blood
c)
Waste
d)
Messages
10.
My heart is a _________, that pumps blood through the body. 
a)
Cell
b)
Tissue
c)
Muscle
d)
Bone
11.
Arteries carry blood ______ from the heart.
a)
Away
b)
To
c)
Across
d)
Around
12.
Veins carry blood ______ the heart. 
a)
Around
b)
Away
c)
To
d)
Across
13.
My body needs ______ from the air to live. 
a)
Oxygen
b)
Cardon Dioxide
c)
Carbon Monoxide
d)
Hydrogen Peroxide
14.
The food I eat goes down my esophagus to my __________.
a)
Bladder
b)
Kidney
c)
Stomach
d)
Big Toe
15.
My small and large ___________ break down the food so my body can use it for energy.
a)
Intestines
b)
Kidneys
c)
Stomach
d)
Bladder
16.
My _______ are special organs that filter waste out of my blood. 
a)
Pancrease
b)
Esophogus
c)
Bladder
d)
Kidneys
17.
Which system provides shape and support, enables you to move, protects your internal organs, and stores minerals?
a)
skeletal
b)
muscular
c)
digestive
d)
nervous
18.
Which system enables the body to move, moves food through the digestive system, and keeps the heart beating?
a)
skeletal 
b)
muscular
c)
digestive
d)
nervous
19.

Which system is made of the smooth, skeletal, and cardiac muscles?

a)

skeletal

b)

muscular

c)

nervous

d)

excretory

20.
Which system detects information from the environment and directs the way your body responds to this information?
a)
excretory
b)
circulatory
c)
respiratory
d)
nervous
21.

Which system includes bones, cartilage, and ligaments?

a)

nervous

b)

muscular

c)

skeletal

d)

excretory

22.
Which system includes the nose, trachea and the lungs?
a)
respiratory
b)
circulatory
c)
immune
d)
digestive
23.
Which system includes the mouth, esophagus, and the small and large intestines?
a)
nervous
b)
excretory
c)
respiratory
d)
digestive
24.
Which system collects and removes wastes?
a)
Muscular
b)
Circulatory
c)
Digestive
d)
Excretory
25.
Which system includes the kidneys, ureters, urinary bladder, urethra, lungs and skin?
a)
digestive
b)
excretory
c)
circulatory
d)
muscular
26.
Is this an example of an organic or inorganic compound?
a)
Organic
b)
Inorganic
27.
Organic compounds are always based on what element?
a)
hydrogen
b)
water
c)
carbon
d)
arsenic
28.
C6H12O6 is considered a ____________ molecule.
a)
Inorganic
b)
Organic
29.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
30.
Organic or Inorganic? 
a)
Organic
b)
Inorganic
31.
Organic or Inorganic?
H2SO4
a)
Organic
b)
Inorganic
32.
A change in your outside environment that causes you to react is an...
a)
Voluntary Response 
b)
Involuntary Response 
c)
External Stimulus 
d)
Internal Stimulus 
33.
Which of the following would be an EXTERNAL stimulus?
a)
You are hungry 
b)
You are thirsty
c)
It is raining 
d)
You have a sinus infection
34.
Which of the following is an INTERNAL stimulus? 
a)
Dust in the air 
b)
A loud noise 
c)
The smell of food
d)
You are exhausted 
35.

Which of following is a RESPONSE to a stimulus?

a)

An animal seeks (looks for) shelter

b)

It is raining

c)

The sun is bright

d)

You are thirsty

36.
What is one way your body keeps from getting too cold?
a)
Sweating
b)
Shivering
c)
Balances blood sugar
d)
Removes urea from the blood
37.

What is the purpose of sweating?

a)

To keep the body hydrated

b)

To balance blood sugar

c)

To warm the body up

d)

To cool the body down

38.

An organism's ability to maintain steady, stable and constant internal conditions is...

a)

turgor pressure

b)

tropism

c)

homeostasis

d)

stimulus

39.

How does the RESPIRATORY SYSTEM keep your body in homeostasis (balance)?

a)

By keeping your body temperature at a constant 98.6 degrees

b)

By keeping the levels of oxygen and carbon dioxide in your blood steady

c)

By balancing your blood sugar levels

d)

By helping you go to sleep

40.

"A cat looks for shelter because it is raining." The red underlined part of the sentence is the-

a)

Stimulus

b)

Response

41.

A person touches a hot stove and quickly pulls their hand away." The red underlined part of the sentence is the-

a)

Stimulus

b)

Response

42.

An animal is cold so it moves into the sun. What is the underline phrase?

a)

stimulus

b)

response

43.

Moving away from danger is an example of

a)

a learned behavior

b)

an instinct

44.

Learning to brush your teeth when you are younger is an example of

a)

a learned behavior

b)

an instinct

45.

holds DNA which has the instructions to build proteins

a)

nucleus

b)

DNA

c)

nucleolus

d)

ribosome

46.
thin flexible barrier outside the cell that controls what enters and leaves
a)
cell wall
b)
cell membrane
c)
cytoplasm
d)
DNA
47.
thick rigid barrier found outside the cell membrane in some cells
a)
cell membrane
b)
cell wall
c)
mitochondria
d)
chloroplast
48.
storage organelle
a)
vacuole
b)
lysosome
c)
choloroplast
d)
mitochondria
49.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
mitochondria
50.

This organelle takes food and turns it into ENERGY for plant and animal cells.

a)

Chloroplast

b)

Mitochondria

c)

Lysosome

d)

Ribosome

51.
I am only found in a plant cell. What am I?
a)
cell wall
b)
mitochondria
c)
cytoplasm
d)
chloroplast
52.

A jellylike substance that contains many organelles.

a)

ribosomes

b)

cytoplasm

c)

chloroplasts

d)

cell wall

53.
Which organelle uses energy from sunlight to make sugar?
a)
mitochondria
b)
nucleus
c)
chloroplasts
d)
vacuoles
54.
Controls what enters/leaves a cell
a)
cell membrane
b)
Nuclear membrane
c)
cell wall
d)
cytoplasm
55.
hold/store water, mainly found in plant cells
a)
nuclolus
b)
ribosomes
c)
golgi bodies
d)
vacuoles
56.
For generations, people believed in "spontaneous generation."  Spontaneous generation is the idea that . . . . 
a)
..... all living things are made of cells
b)
... all cells come from other cells.
c)
living things could "generate" from non-living matter. 
d)
cells are the basic unit of structure and function
57.
Which scientist did NOT contribute to the cell theory?
a)
Anton Van Leeuwenhoek
b)

Robert Hooke
c)
Albert Einstein 
d)

Matthias Schleiden
58.
There are three parts to the cell theory. Which is NOT one of those parts?
a)
All organisms are composed of one or more cells.
b)
The cell is the basic unit of structure and organization in organisms.
c)
Cells spontaneously arise from carbon and nutrients carried in the bloodstream.
d)
All cells come from pre-existing cells.
59.

Anton van Leeuwenhoek made his own version of the microscope and discovered something very odd when he looked a the gunk on his teeth. What did he discover?

a)

Cells

b)

Bacteria

c)

Influenza

d)

Cavaties

60.

Who named the cell?

a)

Anton Van Leeuwenhoek

b)

Robert Hooke

c)

Matthias Schleiden

d)

Rudolph Virchow

61.
Which of the following statements supports the cell theory as it is stated today?
a)
Not all cells are alive.
b)
Cells must contain a nucleus.
c)
All abiotic are composed of more than one cell
d)
Cells come from preexisting cells through cell division.
62.
When observing cells, which of the following pieces of equipment is most appropriate?
a)
Hand lens
b)
Telescope
c)
Petri dish
d)
Microscope
63.

Is a plant cell prokaryotic or eukaryotic?

a)

eukaryotic

b)

prokaryotic

64.
What is the difference between prokaryotic and eukaryotic. 
a)
prokaryotic has a nucleus and eukaryotic does not
b)
eukaryotic has a nucleus and prokaryotic does not 
c)
prokaryotic has DNA and eukaryotic does not
d)
eucaryotic have a cell wall and prokaryotic 
65.

Those organisms that are made of more than 2 cells are referred to as ___________________.

a)

unicellular

b)

multicellular

c)

colonized

d)

Michael Jackson

66.
Which one of the following is a characteristic of life?
a)
Photosynthesis
b)
Adapting to your environment/ surroundings
c)
Expelling toxins
d)
Breathing
67.
In order to be considered living an organism must have
a)
blood
b)
cells
c)
brains
d)
hair
68.
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
69.
A worm turns away from light is an example of a worm
a)
reproducing
b)
doing cellular respiration
c)
having cells
d)
responding to its environment
70.
All organisms have more than one cell.
a)
false
b)
true
71.
The picture shows the different stages in the life of a plant. Which characteristics of living things is best represented here?
a)
response to environement
b)
use of energy
c)
growth
d)
cell organization
72.

What characteristic of life is shown in the picture?

a)

organisms are made up of one or more cell

b)

organisms adapt through evolution

c)

organisms use energy

d)

organisms respond to environment

73.

An organism made of one cell is called

a)

unicellular

b)

multicellular

74.

The endocrine system is made up of ...

a)

glands

b)

hormones

c)

neurons

d)

hematocytes

75.

Estrogen and testosterone are examples of ...

a)

hormones

b)

glands

c)

neurons

d)

stimuli

76.

Chewing is an example of...

a)

mechanical digestion

b)

chemical digestion

c)

physiological digestion

d)

dental digestion

77.

Stomach acids breaking down food molecules is an example of a

a)

physical change

b)

chemical change

78.

Your stomach squeezes food by peristalsis. This squeezing breaks food into smaller pieces. Peristalsis is an example of a

a)

physical change

b)

chemical change

79.

Enzymes in saliva start breaking down molecules in the mouth. This is an example of

a)

a physical change

b)

a chemical change

80.
Requires two parents
a)
Asexual Reproduction
b)
Sexual Reproduction
c)
Vegetative Propagation
d)
Budding
81.
The offspring from asexual reproduced organism are?
a)
Different than their parents
b)
Like a combination of their parent
c)
Identical to their parents
d)
A different species
82.
Sexual reproduction provides for what to occur?
a)
cloning
b)
genetic stability
c)
budding
d)
genetic variation
83.
The offspring from asexual reproduced organism are?
a)
Different than their parents
b)
Like a combination of their parent
c)
Identical to their parents
d)
A different species
84.
Sexual reproduction is a ________ process than asexual reproduction
a)
Faster
b)
Slower
85.
Asexual reproduction requires
a)
2 parents
b)
4 parents
c)
1 parent
d)
No parents
86.
The following diagram illustrates the process of...
a)
Binary fission
b)
Fertilization
c)
Budding
87.
BOTH sexual and asexual reproduction pass down genetic material from parent to offspring.
a)
True
b)
False

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