Quiz about 7th Grade Science review

Question 1

Organisms that make their own food are known as

Accepted Answer

Autotrophs

Answer

Heterotrophs

Answer

Multicellular

Answer

Unicellular

Question 2

Organisms that do not have a nucleus are known as

Accepted Answer

Prokaryotes

Answer

Euakryotes

Answer

Fungi

Answer

Protista

Question 3

Question 3.

Accepted Answer

Active Transport

Answer

Passive Transport

Question 4

Which organelle converts the energy in food into energy for the cell (cellular respiration)?

Accepted Answer

Mitochondria

Answer

Ribosomes

Answer

Nucleolus

Answer

Golgi Body

Question 5

Which is true about active transport?

Accepted Answer

It requires energy

Answer

it does not require energy

Answer

It moves substances down the concentration gradient

Answer

it moves material from high to low concentration

Question 6

Osmosis is the movement of _____ across a membrane.

Accepted Answer

water

Answer

food

Answer

energy

Answer

oxygen

Question 7

The picture below is an example of _________________.

Accepted Answer

diffusion

Answer

osmosis

Answer

isotonic

Answer

active transport

Question 8

The brain or "control center" of the cell.

Accepted Answer

Nucleus

Answer

Mitochondria

Answer

Cell Membrane

Answer

Cytoplasm

Question 9

Protective outermost layer of the cell:

Accepted Answer

Cell Membrane

Answer

Nucleus

Answer

Chromatin

Answer

Microtubules

Question 10

Makes protein for the cell:

Accepted Answer

Ribosomes

Answer

Nucleus

Answer

Cytoplasm

Answer

Cell Membrane

Question 11

Using this image, what organelle is C?

Accepted Answer

Chloroplast

Answer

Cell Wall

Answer

Mitochondria

Answer

Large Cell Vacuole

Question 12

I send and receive electrical signals from the brain

Accepted Answer

Nervous System

Answer

Skeletal System

Answer

Muscular System

Answer

Digestive System

Question 13

I transport oxygen and nutrients through out the body

Accepted Answer

Circulatory System

Answer

Muscular System

Answer

Nervous System

Answer

Digestive System

Question 14

I break food down into energy for the body

Accepted Answer

Digestive System

Answer

Stomach

Answer

Respiratory system

Answer

Lungs

Question 15

When you breathe, your lungs take in ___ and remove ___.

Accepted Answer

oxygen/carbon dioxide

Answer

air/oxygen

Answer

carbon dioxide/waste

Answer

waste/air

Question 16

This system includes the heart, blood vessels, veins, arteries

Accepted Answer

circulatory system

Answer

respiratory system

Answer

nervous system

Question 17

This system includes the spinal cord, brain and nerves

Accepted Answer

Nervous System

Answer

Digestive System

Answer

Circulatory System

Question 18

How many Al atoms are in this compound? 4Al₂O₃

Accepted Answer

8

Answer

2

Answer

6

Answer

4

Question 19

a copper penny turning greenish after a few years.

Accepted Answer

Chemical Change

Answer

Physical Change

Question 20

What phase of mitosis is shown in the picture?

Accepted Answer

Prophase

Answer

Anaphase

Answer

Telophase

Answer

Metaphase

Question 21

What phase of mitosis is shown in the picture?

Accepted Answer

Telophase

Answer

Prophase

Answer

Anaphase

Answer

Metaphase

Question 22

What phase of mitosis is shown in the picture?

Accepted Answer

Metaphase

Answer

Prophase

Answer

Anaphase

Answer

Telophase

Question 23

How many chromosomes does a human cell have?

Accepted Answer

46

Answer

42

Answer

24

Answer

64

Question 24

How many daughter cells are produced in mitosis?

Accepted Answer

2

Answer

1

Answer

4

Answer

6

Question 25

The brain or "control center" of the cell.

Accepted Answer

Nucleus

Answer

Mitochondria

Answer

Cell Membrane

Answer

Cytoplasm

Question 26

The "power plant" of the cell that produces energy.

Accepted Answer

Mitochondria

Answer

Cytoplasm

Answer

Centrioles

Answer

Lysosomes

Question 27

In what organelle is the genetic material found inside?

Accepted Answer

nucleus

Answer

cell membrane

Answer

chloroplast

Answer

ribosome

Question 28

What organelle is called the "powerhouse" of a cell?

Accepted Answer

mitochondria

Answer

nucleus

Answer

cell wall

Answer

cell membrane

Question 29

What is the function of a chloroplast?

Accepted Answer

absorbs sunlight for photosynthesis

Answer

makes proteins for animal cells

Answer

allows materials in and out of the cell

Answer

provides structure and support

Question 30

Looking in a microscope, you see cells that have rectangular shapes and a green color. What type of cells are you probably viewing?

Accepted Answer

plant cells

Answer

animals cells

Answer

muscle cells

Answer

blood cells

Question 31

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

Accepted Answer

central vacuole

Answer

cell wall

Answer

chloroplast

Answer

nucleus

Question 32

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

Accepted Answer

cytoplasm

Answer

mitochondria

Answer

ribosomes

Answer

nucleus

Question 33

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

Accepted Answer

cytoplasm

Answer

mitochondria

Answer

ribosomes

Answer

nucleus

Question 34

What type of cell is being shown in the image?

Accepted Answer

animal

Answer

plant

Question 35

I make proteins for the cell. What am I?

Accepted Answer

ribosome

Answer

cell membrane

Answer

nucleus

Answer

chloroplast

Question 36

I make proteins for the cell. What am I?

Accepted Answer

ribosome

Answer

cell membrane

Answer

nucleus

Answer

chloroplast

Question 37

What is the positively charged particle in an atom?

Accepted Answer

Proton

Answer

Neutron

Answer

Electron

Answer

Atom

Question 38

What is the neutrally charged particle?

Accepted Answer

Neutron

Answer

Proton

Answer

Electron

Answer

Atom

Question 39

What is the negatively charged particle?

Accepted Answer

Electron

Answer

Proton

Answer

Neutron

Answer

Atom

Question 40

Which two subatomic particles are in the nucleus of an atom?

Accepted Answer

Protons & Neutrons

Answer

Protons & Electrons

Answer

Electrons & Neutrons

Question 41

How many protons are in the atom shown?

Accepted Answer

2

Answer

3

Answer

4

Answer

1

Question 42

All atoms are most stable with (or would "prefer") how many electrons in their valence shell?

Accepted Answer

8

Answer

1

Answer

2

Answer

18

Question 43

Valence electrons are electrons in the shell

Accepted Answer

furthest from the nucleus

Answer

closest to the nucleus

Answer

having the lowest energy level

Answer

that has the fastest electrons

Question 44

The main human activity that releases greenhouse gases is

Accepted Answer

burning fossil fuels

Answer

using bottled water

Answer

texting on cellphones

Answer

eating meat

Question 45

The greenhouse gas having the greatest role in human-caused global warming is

Accepted Answer

carbon dioxide

Answer

methane

Answer

CFCs (chlorofluorocarbons)

Answer

ozone

Question 46

Human activity is adding additional greenhouse gases to the amount that are in the atmosphere naturally

Accepted Answer

True

Answer

False

Question 47

What is the greenhouse effect?

Accepted Answer

warming of the earth due to gases in our atmosphere.

Answer

cooling of the earth due to gases in our atmosphere

7th Grade Science review

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