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7th Grade 1st Semester Final Review

Total questions: 99

Worksheet time: 3hrs 47mins

Name
Class
Date
1.
I must follow all instructions, written and verbal, about the laboratory procedures given by the teacher.
a)
True
b)
False
2.
I will immediately notify the instructor only about major accidents.
a)
True
b)
False
3.

When should safety goggles be worn?

a)

at all times in the lab

b)

when you feel like it

c)

when liquids could splash into your eyes OR when using glassware

4.
You should never ______ chemicals in the lab. 
a)
taste
b)
touch
c)
smell
d)
all of the above
5.
When you are smelling a chemical, you should
a)
whiff
b)
waft
c)
take a deep breath
d)
smell it for as long as you can
6.
What is the volume of the liquid in this graduated cylinder?
a)
19 mL 
b)
35 mL 
c)
24 mL 
d)
1.9 mL
7.
What is the mass on the triple beam balance?
a)
345.5
b)
304.5
c)
700.5
8.
Calculate the Volume
a)
410 cm3
b)
420 cm3
c)
402 cm3
d)
401 cm3
9.

What is the length of the object in centimeters?

a)

3.4 cm

b)

4.3 cm

c)

3.5 cm

d)

1 1/4 inches

10.
The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?
a)
5
b)
6
c)
9
d)
11
11.
At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the mode of the number of donut holes per bag described in the sample below:
{12,10,10,10,13,12,11,13,10}
a)
13
b)
12
c)
11
d)
10
12.
A data set can have more than one _______
a)
Median
b)
Mode
c)
Mean
d)
Midrange
13.
Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3
a)
median:7  mode:3  range:10
b)
median:6  mode:3  range:7
c)
median:7  mode:3 range:8
14.

When conducting an experiment, you my change ---- variable.

a)

Two

b)

Four

c)

One

d)

None

15.

The --- variable is found on the y-axis.

a)

Dependent

b)

Independent

16.

The --- variable is located on the x-axis.

a)

Independent

b)

Dependent

17.

What is the independent variable on this graph?

a)

Number of push ups

b)

Days

18.

A student is studying the effect of studying on getting good grades. What is the independent variable?

a)

Whether or not the student studies

b)

The type of grades the student receives

19.

If your eat a lot of candy without properly brushing your teeth then you will develop cavities. What is the dependent variable?

a)

Eating a lot of candy without properly brushing your teeth

b)

The number of cavities developed

20.

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.

21.

Which instrument is credited for helping scientists develop cell theory?

a)
b)
c)
d)
22.

What is the basic structural and functional unit of all living things?

a)

atom

b)

cell

c)

bacteria

d)

animalcules

23.
All cells come from___________ cells.
a)
pregnant
b)
pre-existing
c)
paternal
d)
pin size
24.
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
25.
Cells are often called "the ____ of life."
a)
bread
b)
road map
c)
building blocks
d)
meaning
26.

All cells are surrounded by a what?

a)

Nucleus

b)

Cell Membrane

c)

Ribosome

d)

Cell Wall

27.
Plants and animal cells are examples of ___ cells 
a)
prokaryotic cells 
b)
eukaryotic cells 
28.

Sac within the cytoplasm that is full of fluid; plants have one large; stores food, water, etc. Used for storage- like a vacuum bag.

a)

vacuole

b)

cell wall

c)

lysosome

d)

ribosome

29.
Gives the cell a rigid, box-like shape; outside of the cell membrane; in plants.
a)
cytoplasm
b)
chromatin
c)
cell wall
d)
cell membrane
30.
Consists of a jellylike substance that contains many organelles.
a)
ribosomes
b)
cytoplasm
c)
chloroplasts
d)
cell wall
31.

Which organelle uses energy from sunlight to make sugar? You find it in plant cells.

a)

mitochondria

b)

nucleus

c)

chloroplasts

d)

vacuoles

32.

Which structure is found in plant cells and NOT in animal cells?

a)

cell wall

b)

centriole

c)

nucleus

d)

cytoplasm

33.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
ribosomes
34.
I store water in both plant and animal cells. What am I?
a)
cytoplasm
b)
ribosomes
c)
vacuole
d)
lysosomes
35.

I am only found in a plant cell. What am I? Select 2

a)

cell wall

b)

mitochondria

c)

cytoplasm

d)

chloroplast

36.

Releases energy for cells to use, most common in animal cells. The powerhouse of the cell.

a)

mitochondria

b)

ribosomes

c)

lysosomes

d)

nucleus

37.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
38.
Tiny cell structures that carry out specific functions within the cell.
a)
membranes
b)
nucleus
c)
organelles
d)
animalicules
39.

Bacteria cells are

a)

Prokaryotic

b)

Eukaryotic

c)

Both

40.

Which one is NOT considered one of the eight characteristics of life?

a)

maintaining homeostasis

b)

reproduce

c)

photosynthesis

d)

grow and develop

41.

Which characteristic of life is this an example of?

a)

made of one of more cells

b)

grow and develop

c)

responds to external stimuli

d)

contains DNA

42.

The ability of a living thing to get bigger is known as

a)

homeostasis

b)

growth and development

c)

energy

d)

response to stimuli

43.
Which of the following is not a characteristic of a Prokaryotic cell?
a)
unicellular
b)
floating DNA
c)
very small
d)
complex
44.
Prokaryotic cells include bacteria.
a)
True
b)
False
45.
Has membrane bound organelles
a)
Prokaryote
b)
Eukaryote
c)
both
46.

The system in charge of transforming food into nutrients is

a)

The respiratory system

b)

The digestive system

c)

The circulatory system

d)

The excretory system

47.

The system in charge of removing cells' wastes from the body is called

a)

Digestive

b)

excretory

c)

Respiratory

d)

cardiovascular

48.

Which 2 systems work together to provide the muscles with more oxygen during physical activity

a)

circulatory

b)

digestive

c)

excretory

d)

respiratory

49.

The lungs belong to

a)

The respiratory system

b)

The excretory system

c)

The nervous system

d)

The digestive system

50.

The system of hormones is called

a)

Excretory

b)

Endocrine

c)

Digestive

d)

Nervous

51.

The heart, veins and arteries belong to

a)

The digestive system

b)

The excretory system

c)

The respiratory system

d)

The cardiovascular system

52.

A group of specialized cells is called

a)

An organ

b)

A system

c)

A tissue

d)

An organism

53.

A body part consisting of different tissues working together is called

a)

A cell

b)

An organ

c)

A system

d)

An organism

54.

A group of organs working together is called

a)

A tissue

b)

A cell

c)

A system

d)

An organism

55.

A bunch of organelles working together make up a

a)

tissue

b)

cell

c)

organ

d)

system

56.

The two systems in charge of regulation (monitoring and responding to changes in the environment) are:

a)

Digestive

b)

Skeletal

c)

Nervous

d)

Endocrine

57.

Which is the correct order of the levels of organization from smallest and most simple to largerst and most complex?

a)

cell, organ, tissue, organ system

b)

cell, tissue, organ system, organ

c)

cell, tissue, organ, organ system

d)

cell, organ system, organ, tissue

58.

The function of the nervous system is to? What is the main organ it includes?

a)

Break down food. stomach

b)

Help the body move. muscles

c)

Send and receive messages. brain

d)

Pump blood around the body. heart

59.

The function of the circulatory system is to? What is the main organ it includes?

a)

Break down food. stomach

b)

Help the body move. muscles

c)

Send and receive messages. brain

d)

Pump blood around the body. heart

60.

How do the respiratory an circulatory systems work together?

a)

The respiratory system removes waste and the circulatory system moves it around.

b)

The respiratory system breaks down food, and the circulatory system moves it around.

c)

The circulatory system brings in oxygen, and the repiratory system moves it around.

d)

The respiratory system brings in oxygen, and the circulatory system moves it around.

61.

Which two body systems work together to allow you to move? (Choose two)

a)

Digestive System

b)

Excretory System

c)

Muscular System

d)

Skeletal System

62.
What type of tropism is seen here with the ivy plant growing around the wooden stake?
a)
phototropism
b)
geotropism
c)
thigmotropism
d)
hydrotropism
63.
Which type of tropism?
a)
hydrotropism
b)
thigmotropism
c)
phototropism
d)
geotropism
64.

This plant will most likely be _______________.

a)

Limp or wilted

b)

stiff and rigid

65.

This plant would most likely be __________________.

a)

Limp or wilted

b)

Stiff and rigid

66.

Gravitropism and ______________________ are the same thing.

a)

Geotropism

b)

Phototropism

c)

Thigmotropism

d)

Triangular Prism

67.

This force is created by water filling up the vacuoles, and gives a plant rigidity and shape so that it does not wilt.

a)

Photosynthesis

b)

Respiration

c)

Turgor Pressure

d)

Xylem

68.
What is the term for a plant's movement or growth in response to water?
a)
Hydrotropism
b)
Phototropism
c)
Thigmotropism
d)
Gravitropism
69.

Wilting is a plant's response to:

a)

High turgor pressure

b)

Low turgor pressure

c)

Gravity

d)

Sunlight

70.

The turning or bending of a plant toward or away from an external stimulus, such as light, heat, or gravity...

a)

force

b)

stimulus

c)

tropism

d)

balance

71.

A change in a system resulting from a stimulus...

a)

tropism

b)

stimulus

c)

force

d)

response

72.

An action or condition that provokes a response...

a)

stimulus

b)

response

c)

tropism

d)

fight or flight

73.

The tendency of an organism or cell to maintain a balanced state to maintain health and function...

a)

Motion

b)

Stimulus

c)

Fight or Flight

d)

Homeostasis

74.

Short-term physiological changes in response to stress that prepare the body for intense activity to avoid harm...

a)

Trait

b)

Turgor Pressure

c)

Fight or Flight

d)

Stimuli

75.

If the response of the plant sprout is to grow roots downward, what is the stimulus?

a)

Gravity

b)

Sunlight

c)

Touch

d)

Wind

76.

Which is an example of a stimulus?

a)

A sunburn

b)

Radiant energy from the sun

c)

Sweating from the summer heat

d)

Drinking water

77.

What would be the response of this person if they did not have a coat on?

a)

To sweat

b)

To run

c)

To grow more fur

d)

To shiver

78.

The passing of physical characteristics, or traits, from parent to offspring.

a)

Genetics

b)

Dominant allele

c)

Heredity

d)

Recessive allele

79.

The scientific study of heredity.

a)

Genetics

b)

Heredity

c)

Probability

d)

Pedigree

80.

The different forms of a gene.

a)

Genes

b)

Allele

c)

Phenotype

d)

Pedigree

81.

A trait that always shows up when the allele is present.

a)

Genotype

b)

Phenotype

c)

allele

d)

Dominant allele

82.

A trait that is always hidden when the dominant allele is present.

a)

Phenotype

b)

Recessive allele

c)

Genotype

d)

Heredity

83.

An organism that has two different alleles for a trait.

a)

Genes

b)

Heterozygous

c)

Genotype

d)

Dominant allele

84.

A number that describes how likely it is that an event will occur.

a)

Probability

b)

Punnett square

c)

Pedigree

d)

Genotype

85.

A chart that shows all the possible ways alleles can combine in a genetic cross.

a)

Pedigree

b)

Family tree

c)

Heterozygous

d)

Punnett square

86.

Physical appearance or physical trait.

a)

Phenotype

b)

Genotype

c)

Allele

d)

Trait

87.

An organism's genetic makeup or allele.

a)

Homozygous

b)

Phenotype

c)

Genotype

d)

Heterozygous

88.

An organism that has two identical alleles for a trait.

a)

Twins

b)

Heterozygous

c)

Phenotype

d)

Homozygous

89.

In a heterozygous genotype, the ___________ allele takes over in the phenotype.

a)

recessive

b)

dominant

c)

both

90.

T - tall and t = short

In the Punnett square, what belongs in the missing square?

a)

tt

b)

Tt

c)

TT

91.

G = green, g = yellow

The genotype for a yellow plant is...

a)

GG

b)

Gg

c)

gg

d)

all of the choices result in yellow

92.

B = brown fur b = white fur

In the punnett square, what is the probability for white fur?

a)

0%

b)

25%

c)

50%

d)

75%

93.

In plants, tall (T) is dominant to short (t). Perform the following cross: Tt x Tt. What is the probability of producing a short plant?

a)

0%

b)

25%

c)

50%

d)

75%

94.

Two brown eyed parents (Bb) have a baby. What is the chance their baby is blue eyed?

a)

0 %

b)

25%

c)

50%

d)

75%

95.

Each one of the boxes on the Punnett square represents what probability of an offspring's genotype?

a)

25%

b)

1%

c)

10%

d)

0%

96.

AA and Aa always show up as ---

a)

dominant.

b)

recessive.

97.

What is ratio of the offspring from the cross shown will be homozygous recessive for the trait of tallness? T = tall t = short

a)

0 in 4

b)

1 in 4

c)

2 in 4

d)

4 in 4

98.

Which of the following genotypes is homozygous dominant?

a)

aa

b)

Aa

c)

AA

99.

Which of the following genotypes is heterozygous?

a)

Bb

b)

BB

c)

bb

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