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Grade 7 Reviewer Sem 1

Total questions: 110

Worksheet time: 2hrs 24mins

Name
Class
Date
1.

A pet goldfish needs fish food.


Which characteristic of life does this refer to?

a)

Living things need energy

b)

Living things are composed of one or more cells

c)

Living things respond to their environment

d)

Living things grow and reproduce

e)

Living things maintain a stable internal environment

2.

Streptococcus, a round cell, is the bacteria that causes strep throat.


Which characteristic of life does this refer to?

a)

Living things need energy

b)

Living things are composed of one or more cells

c)

Living things respond to their environment

d)

Living things grow and reproduce

e)

Living things maintain a stable internal environment

3.

Bees create their hive on existing structures such as trees.


Which characteristic of life does this refer to?

a)

Living things need energy

b)

Living things are composed of one or more cells

c)

Living things respond to their environment

d)

Living things grow and reproduce

e)

Living things maintain a stable internal environment

4.

Cells in your body divide to create new cells.


Which characteristic of life does this refer to?

a)

Living things need energy

b)

Living things are composed of one or more cells

c)

Living things respond to their environment

d)

Living things grow and reproduce

e)

Living things maintain a stable internal environment

5.

Tigers have cubs.


Which characteristic of life does this refer to?

a)

Living things need energy

b)

Living things are composed of one or more cells

c)

Living things respond to their environment

d)

Living things grow and reproduce

e)

Living things maintain a stable internal environment

6.

Look at the image carefully.


Is the object living or non-living?

a)

Living

b)

Non-living

7.

Look at the image carefully.


Is the object living or non-living?

a)

Living

b)

Non-living

8.

Look at the image carefully.


Is the object living or non-living?

a)

Living

b)

Non-living

9.
Pick the true statement about cellular organization:
a)
cells working together make tissues
b)
cells working together make organs
c)
tissues working together make organ systems
d)
organs working together make cells
10.
What is the most basic unit of life?
a)
cell
b)
tissue
c)
organ
d)
organ system
11.
An organism made of one cell is called
a)
unicellular
b)
multicellular
12.
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
13.
When a baby kitten becomes an adult cat, this is an example of...
a)
energy metabolism
b)
growth and development
c)
response to stimuli
d)
having cells
14.

Which option is living?

a)

Trees and leaves

b)

Rocks

c)

Lake

d)

Fire

15.

All of the following are characteristics of all living things EXCEPT

a)

Respond to stimulus

b)

Grow and develop

c)

Made of cells

d)

Movement

16.

A living thing that is made of two or more cells

a)

unicellular

b)

specialized

c)

multicellular

d)

homeostasis

17.

Cells are...

a)

groups of tissues that together carry out a particular function.

b)

groups of organs that together carry out a particular function.

c)

the structural and functional units of all living things.

d)

only found in animals.

18.

Tissues are...

a)

groups of cells that together carry out a particular function.

b)

groups of organs that together carry out a particular function.

c)

the smallest functional units of all living things.

d)

only found in animals.

19.

When it comes to biological organisation, the highest level is...

a)

cells.

b)

organs.

c)

body systems.

d)

organisms.

20.

The organ you would find in the circulatory system is...

a)

the liver.

b)

the heart.

c)

the bladder.

d)

the large intestine.

21.

The kidneys and bladder are parts of the...

a)

circulatory system.

b)

nervous system.

c)

excretory system.

d)

digestive system.

22.

Organs are...

a)

groups of cells that together carry out a particular function.

b)

groups of tissues that together carry out a particular function.

c)

groups of body systems that make up an organism..

d)

unicellular.

23.

The body system you would find the small intestine in is the...

a)

circulatory.

b)

respiratory.

c)

digestive.

d)

excretory.

24.

The body system you would find the lungs in is the...

a)

circulatory.

b)

digestive.

c)

nervous.

d)

respiratory.

25.

The brain is part of the...

a)

nervous system.

b)

circulatory system.

c)

excretory system.

d)

digestive system.

26.

The liver is part of the...

a)

nervous system.

b)

circulatory system.

c)

excretory system.

d)

digestive system.

27.

The picture that best shows a tissue is...

a)
b)
c)
d)
28.

The picture that best shows an organ is...

a)
b)
c)
d)
29.

The picture that best shows an organism is...

a)
b)
c)
d)
30.

The image represents which level of organization?

a)

cell

b)

tissue

c)

organ

d)

organ system

31.

Groups of tissue working together would be called a

a)

cell

b)

tissue

c)

organ

d)

organ system

32.

Review Question: The whole plant uses its structures to carry out photosynthesis. What is the structure in the plant that traps light to perform photosynthesis?

a)

chloroplast

b)

nucleus

c)

mitochondria

d)

cytoplasm

33.
Every living organism is made up of one or more cells
a)
True
b)
False
34.
Which of the following are NOT found in animal cells
a)
chloroplasts and cytoplasm
b)
chloroplasts and cell wall
c)
cell wall and cell membrane
d)
mitochondria and nucleus
35.
The nucleus is like the ____________ of the cell.
a)
foot
b)
hand
c)
stomach
d)
brain
36.

The fluid that surrounds the organelles is... (hint... "Try to pull a fast one and..."

a)

chloroplast

b)

cytoplasm

c)

vacuole

d)

cell wall

37.
What do vacuoles do? 
a)
They actually do not have an important role
b)
They protect the cell
c)
They are the brain of the cell
d)
storage area for cells; water storage in plants 
38.

Which organelle takes in "sun showers" and helps plants with the process or photosynthesis?

a)

Vacuole

b)

Mitochondria

c)

Cytoplasm

d)

Chloroplast

39.
If you were some bad guy trying to sneak into an animal cell, who would be there to stop you?
a)
nucleus
b)
mitochondria
c)
cell membrane
d)
cell wall
40.
Which of the following, found ONLY in plant cells, provides structure?
a)
cell wall
b)
chloroplast
c)
mitochondria
d)
vacuole
41.

What is the outside layer of a plant cell called?

a)

Cell Membrane

b)

Cell Wall

c)

Nucleus

d)

Endoplasmic Reticulum

42.
Which of these is a unicellular organism?
a)
Fish
b)
Worm
c)
Amoeba
d)
Ant
43.
Which of these organelles do animal cells not have?
a)
Nucleus
b)
Chloroplasts
c)
Cell membrane
d)
Lysosome
44.
Which organelle is on the outside of an animal cell?
a)
Cell wall
b)
Cell membrane
c)
Cellular lining
d)
Cytoplasm
45.

A specialized cell is a cell that has ...

a)

the ability to divide

b)

a specific role to do

c)

no specific function in the bod

46.

Which of the following is a characteristic of multicellular organisms?

a)

They can perform specialized functions.

b)

They are always microscopic.

c)

They consist of only one cell.

d)

They do not grow or develop.

47.

What is the primary function of the mitochondria in a cell?

a)

Photosynthesis

b)

Energy production

c)

Protein synthesis

d)

Cell division

48.

Which of the following best describes the role of the cell membrane?

a)

It is involved in energy production.

b)

It provides structure to the cell.

c)

It stores genetic information.

d)

It controls the movement of substances in and out of the cell.

49.

What is the main function of palisade mesophyll cells?

a)

To protect the plant from insects

b)

To reflect light and protect against direct sunlight

c)

To capture light for photosynthesis

d)

To provide space for gas exchange

50.

What is the structure of red blood cells?

a)

Disc-shaped with no nucleus

b)

Tapered at each end

c)

Long and cylindrical

d)

Branched with intercalated discs

51.

Red blood cells have a disk-shape with a lot of surface area.

a)

This statement describes a STRUCTURE.

b)

This statement describes a FUNCTION.

52.

Neurons have branches on the end of a long body.

a)

This statement describes a STRUCTURE.

b)

This statement describes a FUNCTION.

53.

How does the neuron's form or shape help it perform its function?

a)

It is round and disc like to carry plenty of oxygen

b)

It is cylindrical in order to stretch and relax

c)

Neurons can be long in order to send messages throughout the body

d)

It is flat so that gases can pass across easily

54.

Which type of specialized cell sticks out into the soil, allowing water into the plant?

a)

xylem

b)

guard cells

c)

epidermis cells

d)

phloem

e)

root hair cells

55.

Neurons have branches on the end of a long body.

a)

This statement describes a STRUCTURE.

b)

This statement describes a FUNCTION.

56.

What helps neurons carry electrical messages faster?

a)

Numerous

b)

Branched

c)

Long

d)

Insulation

57.

What are the features of this cell to help it in its function?

a)

Many hair like structure

b)

Rectangular

c)

Many mitochondria

d)

Nuclues

58.
What is the name of the structure labeled #10?
a)
objective lens
b)
ocular lens
c)
aperture
d)
nosepeice
59.
What is the function of the structure labeled #10?
a)
controls amount of light that passes through the slide
b)
it is used to change the magnification of the object
c)
it holds that slide in place
d)
it is used to carry the microscope
60.
What is the name of the structure labeled #4?
a)
stage
b)
course adjustment knob
c)
fine adjustment knob
d)
aperture
61.
what is the function of the structure labeled #4?
a)
used with meduim and high power objectives to bring an object into focus
b)
used with low power objective to bring an object into focus
c)
used with all objectives to brign an object into focus
d)
it is used to change the magnification of the object
62.

All cells in our body are the same.

a)

True

b)

False

63.

People confuse insects and spiders. What is one main difference between insects and spiders?

a)

Insects have six legs, and spiders have eight legs.

b)

Insects are arthropods, but spiders are not arthropods.

c)

Insects have more legs than spiders do.

d)

Insects do not have backbones, but spiders do have backbones.

64.

Clara classifies a fern plant, a rose bush, moss, and an evergreen tree. Which two plants will Clara classify as nonflowering plants that reproduce through spores?

a)

fern and rose bush

b)

fern and moss

c)

moss and evergreen tree

d)

rose bush and evergreen tree

65.

Julian reads a book about sea animals. The picture shows some of the animals. Which animal is a mammal?

a)

octopus

b)

seahorse

c)

shark

d)

whale

66.

Roxy's class takes a trip to a nature museum. One display tells about forest animals that lay eggs. Which of these animals could be in the display?

a)

deer

b)

rabbit

c)

raccoon

d)

snake

67.

While walking through a rainforest, Alanis sees moss growing on a rock. What does moss produce?

a)

fruit

b)

seed

c)

spores

d)

flowers

68.

Which of these animals is a vertebrate?

a)

clam

b)

spider

c)

dog

d)

worm

69.

A student wants to classify plants around his school based on how they reproduce. Which plant parts should the student use to sort?

a)

spores and seeds

b)

leaves and stems

c)

needles and flowers

d)

spores and leaves

70.

Which statement is NOT true?

a)

A snake is an amphibian.

b)

An alligator is a reptile.

c)

An ostrich is a bird.

d)

A deer is a mammal.

71.

Which group do frogs belong to?

a)

Birds

b)

Reptiles

c)

Mammals

d)

Amphibians

72.

Which animals is an invertebrate?

a)

whale

b)

clam

c)

dolphin

d)

catfish

73.

VERTEBRATES are animals with backbones

a)

True

b)

False

74.

Crocodile's skin is

a)

feather

b)

scaly

c)

skin

d)

fur

75.

Which group does a dolphin go in?

a)

Reptile

b)

Amphibian

c)

Mammals

d)

Fish

e)

Bird

76.

7. Which of the following is not a fish.

a)

a. Sea horse

b)

b. whale

c)

b. salmon

d)

d. trout

77.

What is the purpose of classifying living things?

a)

To create new species

b)

To organize and identify diversity

c)

To make them look pretty

d)

To make them grow faster

78.

4. Which of the following is not an arachnid.

a)

a. scorpion

b)

b. lobster

c)

c. tick

d)

d. mite

79.
What is the purpose of a dichotomous key?
a)
to find a common ancestor
b)
to show the evolution of organisms
c)
to show relationships between organisms
d)
to identify organisms
80.
The first part of a scientific name is an organism's _______________ and the second part is its ________________.
a)
species, genus
b)
phylum, order
c)
class, spices
d)
genus, species
81.

Identify bird Y?

a)

Certhidea

b)

Geospiza

c)

Camarhynchus

d)

Platyspiza

82.

Identify bird W?

a)

Certhidea

b)

Geospiza

c)

Camarhynchus

d)

Platyspiza

83.

Identify the fish

a)

Sebastes serriceps

b)

Sebastes nebulosus

c)

Naucrates ductor

d)

Seriola lalandi

84.

Leaf Q (1ST LEAF)

a)

Eastern white pine

b)

balsam poplar

c)

sweet gum

d)

ginko

85.
A student discovers an arachnid with a segmented abdomen, long legs, and a tail with no stinger. The student uses the dichotomous key below to identify it. Which arachnid has the student found?
a)
Whip Scorpion
b)
Wind Scorpion
c)
Daddy long legs
d)
Scorpion
86.

Identify the laboratory apparatus given.

a)

Beaker

b)

Burette

c)

Pipette

d)

Florence flask

87.

Identify the laboratory apparatus given.

a)

Erlenmeyer flask

b)

Florence flask

c)

Volumetric flask

d)

Spring balance

88.

Identify the laboratory apparatus given.

a)

Erlenmeyer flask

b)

Graduated cylinder

c)

Triple Beam Balance

d)

Volumetric flask

89.

Identify the laboratory apparatus given.

a)

Beaker

b)

Graduated cylinder

c)

Spring Balance

d)

Triple Beam Balance

90.

Identify the laboratory apparatus given.

a)

Dropper

b)

Laboratory thermometer

c)

Meter stick

d)

Volumetric flask

91.

Identify the laboratory apparatus given.

a)

Beaker

b)

Erlenmeyer flask

c)

Graduated cylinder

d)

Volumetric flask

92.

What is that science apparatus?

a)

Glass rod

b)

Dropper

c)

Test tube

d)

Filter funnel

93.

Name this apparatus

a)

Spirit lamp

b)

Burner

c)

Bunsen burner

d)

Automatic flame

94.

Mention the use of this apparatus

a)

For keeping the test tube

b)

For supporting the apparatus during heating

c)

For drying other apparatus

d)

Used as a shelf

95.

To hold test tubes

(a)  

96.

These tools hold the apparatus being heated.

a)

flasks and beakers

b)

graduated cylinder

c)

test tube holders and tongs

d)

lamp and burner

97.

What tool is this?

a)

Funnel

b)

Test Tube & Holder

c)

Balance Scale

d)

Beaker

98.
In a scientific experiment, the one variable that is purposely changed to test a hypothesis is called the ____________ variable.
a)
independent
b)
dependent
c)
controlled
d)
responding
99.

What is a outcome/dependent variable?

a)

The variable that is changed/manipulated in the experiment

b)

The variable that is being observed/measured in the experiment

c)

Elements that are kept constant/unchanged in the experiment

d)

The group that does not receive the manipulation; used to compare

e)

The groups that do receive the manipulation

100.

What is a control variable/constant?

a)

The variable that is changed/manipulated in the experiment

b)

The variable that is being observed/measured in the experiment

c)

Elements that are kept constant/unchanged in the experiment

d)

The group that does not receive the manipulation; used to compare

e)

The groups that do receive the manipulation

101.

What is the test/independent variable in this experiment?

a)

The height of the plants

b)

The color of the lightbulbs

102.

Which of the following is a control variable/constant in this experiment?

a)

The color of the light

b)

The type of plant

103.

What is the outcome/dependent variable in this experiment?

a)

The height of the plants

b)

The color of the light bulbs

104.

Hypothesis: Does study time affect the student's score on an test?


In your opinion what part of the experiment is being controlled?

a)

The student responses

b)

The time students study

c)

The speed students answer questions

d)

The questions on the test

105.
Molly investigated if the age of students caused them to be better drivers. What is the independent variable?
a)
Type of car
b)
Skill of driving
c)
Age of student
106.
Steve wanted to see if the type of fertilizer made sunflowers grow larger. What is the independent variable 
a)
Type of fertilizer
b)
Size of sunflower
c)
type of sun flower
107.
Sam wanted to know if the color of the chair you sat in when taking a test affected your test grade. What is the dependent variable.
a)
Color or chair
b)
Grade on test
c)
Age of students
108.
Robert wanted to know if the type of phone you used gave you better or worse service. What is the independent variable. 
a)
Location of phone call
b)
Type of phone
c)
How good the service was
109.
Penelope wanted to see if the temperature of the oven made cookies softer or harder. What is the independent variable.
a)
Hardness of cookie
b)
Type of oven
c)
Temperature of oven
110.
Ramone wants to know: does the distance a person kicks a soccer ball effect how well they will do on their math test.  What is the dependent variable?
a)
How far they kick the soccer ball
b)
who the person is
c)
how well they do on the math test
d)
Type of soccer ball.

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