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Sci 7 Semester One Exam Review January 2021

Total questions: 150

Worksheet time: 2hrs 4mins

Name
Class
Date
1.
What is a all of the changes that take place during the life of an organism?
a)
Reproduction
b)
Organism
c)
Development
d)
Homeostasis
2.
What is an organism whose entire body is only 1 cell known as?
a)
unicellular
b)
multicellular
c)
cell
d)
Homeostasis
3.
What is an organism whose body is made of more than 1 cell known as?
a)
unicellular
b)
multicellular
c)
cell
d)
Homeostasis
4.
This picture is a good example of
a)
Growth
b)
Development
5.
All living organisms are made up of ____.
a)
Cells
b)
Bacteria
c)
Organs
d)
Tissue
6.
When an organism creates more of its own kind. Creating offspring.
a)
Respiration
b)
Reproduction
c)
Digestion
d)
Excrete
7.
The ability of a living thing to get bigger is known as _______________.
a)
Development
b)
Growth
c)
Adaptation
d)
Response
8.
To maintain stable internal conditions is  __________________________________.
a)
growth
b)
adaptation
c)
homeostasis
d)
development
9.
______________________ is the scientific term for a living thing.
a)
organism
b)
cell
c)
photosynthesis
d)
DNA
10.
Type of reproduction that produces two genetically identical offspring from one parent is _________________.
a)
Sexual
b)
Asexual
c)
reproduction
d)
homeostasis
11.
_________________is a signal to which a living thing responds.
a)
Stimulus
b)
Reaction
c)
Development
d)
Homeostasis
12.

The following are all characteristics of life EXCEPT:

a)

made of cell(s)

b)

eat food

c)

respond to the environment

d)

reproduce

13.

In the chart, the missing classification term is...

a)

domain

b)

species

c)

specimen

d)

common name

14.

Of the following, which is the MOST specific classification category?

a)

Class

b)

Genus

c)

Order

d)

Phylum

15.

A device used to identify what group an organism or object is in. Most use a two choice system where you answer yes or no to each question to arrive at the correct group.

a)

compass

b)

dichotomous key

c)

map

d)

microscope

16.

The smallest of the classification groupings. Any group of organisms that share common genetic information. Members are capable of breeding and producing offspring that can also reproduce.

a)

order

b)

phylum

c)

species

d)

kingdom

17.

On the cladogram, which organism is the closest relative of the parrot?

a)

Frog

b)

Hare

c)

Caiman

d)

Parrot

18.

All the animals to the right of the salamander would have the common characteristic of...

a)

Fur

b)

Claws or nails

c)

Lungs

d)

Jaws

19.

Which is the newest trait?

a)

Amniotic egg

b)

Walking legs

c)

Jaws

d)

Hair

20.

True or False?

Macromolecules are tiny molecules that cells need.

a)

True

b)

False

21.

A protein is a macromolecule that is used to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

22.

A carbohydrate is a macromolecule that is used to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

23.

A lipid is a macromolecule that is used to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

24.

Water is necessary to...

a)

give cells/systems energy.

b)

build cell parts.

c)

give cells/systems long term energy storage.

d)

help cells with chemical processes.

25.

When reading the nutrition facts on food packaging total fats is a measure of...

a)

Carbohydrate

b)

Lipids

c)

Water

d)

Protein

26.
Where does the energy from our food originally come from?
a)
the Sun
b)
chemical reactions
c)
carbohydrates
d)
mitochondria
27.
Which macromolecule is made of simple and complex sugars?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
28.
Which macromolecule stores energy, insulates us, and makes up the cell membrane?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
29.
This is one job proteins do NOT have in the body
a)
storing genetic information
b)
structure
c)
speed up chemical reactions
d)
transport things through cell membrane
30.
DNA and RNA are examples of...
a)
proteins
b)
nucleic acids
c)
carbohydrates
d)
lipids
31.
Another name for fats and oils
a)
proteins
b)
sugar
c)
lipids
d)
nucleic acids
32.
This organelle takes food and turns it into ENERGY for plant and animal cells.
a)
Chloroplast
b)
Mitochondria
c)
Lysosome
d)
Ribosome
33.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
mitochondria
34.
I am the outer most layer of an animal cell. What am I?
a)
cell wall
b)
nucleus
c)
cell membrane 
d)
cell skin
35.
A rigid layer that lies outside the cell's  membrane is...
a)
Cytoskeleton
b)
Cilia
c)
Cell Wall
d)
Flagella
36.
What organelle is called the "powerhouse" of a cell?

a)
Endoplasmic Reticulum
b)
Nucleus
c)
Mitochondria
d)
Nucleolus
37.
I am only found in a plant cell. What am I?
a)
cell wall
b)
mitochondria
c)
cytoplasm
d)
chloroplast
38.
Consists of a jellylike substance that contains many organelles.
a)
ribosomes
b)
cytoplasm
c)
chloroplasts
d)
cell wall
39.
Which organelle uses energy from sunlight to make sugar?
a)
mitochondria
b)
nucleus
c)
chloroplasts
d)
vacuoles
40.
Controls what enters/leaves a cell
a)
cell membrane
b)
Nuclear membrane
c)
cell wall
d)
cytoplasm
41.
hold/store water, mainly found in plant cells
a)
nuclolus
b)
ribosomes
c)
golgi bodies
d)
vacuoles
42.
Produces energy in the form of ATP for the cell.
a)
chloroplast
b)
mitochondria
c)
ribosome 
d)
nucleus
43.
Selectively permeable barrier that controls what enters and leaves the cell.
a)
cell membrane
b)
cell wall
c)
cytoskeleton
d)
rough ER
44.
Site of photosynthesis.  Gives plants their green color.
a)
mitochondria
b)
ribosome
c)
chloroplast
d)
nucleus
45.
Controls cell functions because DNA is stored here.
a)
nucleus
b)
nucleolus
c)
ribosome
d)
cholorplast
46.
Rigid, nonliving support structure made of cellulose.
a)
cell membrane
b)
nuclear membrane
c)
lysosome
d)
cell wall
47.
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
48.

Which mode of transport requires energy to move substances from low to high concentration?

a)

osmosis

b)

active transport

c)

diffusion

d)

passive transport

49.

Which process does not require a cell to use energy?

a)

passive transport

b)

active transport

c)

phagocytosis

d)

endocytosis

50.

How do materials move in passive transport?

a)

low concentration to high concentration

b)

high concentration to low concentration

c)

materials do not move

d)

none of the above

51.

Which process occurs when a cell takes IN substances by engulfing them with its cell membrane?

a)

endocytosis

b)

exocytosis

c)

phagocytosis

d)

facilitated diffusion

52.

Which process is an example of active transport?

a)

diffusion

b)

osmosis

c)

facilitated diffusion

d)

endocytosis

53.

Water molecules moving from an area of higher concentration to an area of lower concentration is called

a)

diffusion

b)

osmosis

c)

active transport

d)

engulfing

54.

Oxygen molecules move from an area of higher concentration to lower concentration.

a)

active transport

b)

osmosis

c)

transport proteins

d)

diffusion

55.

Large molecules of sodium move against the gradient into an area of higher concentration.

a)

passive transport

b)

diffusion

c)

active transport

d)

osmosis

56.

The best way to describe the difference between active and passive transport is:

a)

They both need the cell to use energy

b)

Neither uses energy

c)

Active transport requires the cell to use energy while passive transport does not.

d)

Passive transport requires the cell to use energy while active transport does not.

57.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
58.
In which way are photosynthesis and cellular respiration different?
a)
Cellular respiration stores ATP, while photosynthesis releases ATP.
b)
Cellular respiration produces oxygen, while photosynthesis uses oxygen.
c)
Photosynthesis releases energy, while cellular respiration stores energy.
d)
Photosynthesis used carbon dioxide, while cellular respiration produces carbon dioxide.
59.
What is the correct equation for cellular respiration?
a)
6O2 + C6H12O6 -> 6CO2 + 6H2O + Energy
b)
6O2 + C6H12O6 + Energy -> 6CO2 + 6H2O
c)
6CO2 + 6H2O -> 6O2 + C6H12O6 + Energy
d)
6CO2 + 6H2O + Energy -> 6O2 + C6H12O6
60.
Cellular Respiration's goal is to
a)
make water
b)
make ATP
c)
make glucose
d)
make  oxygen
61.
What gas is released into the air during cellular respiration?
a)
oxygen
b)
carbon dioxide
c)
water 
d)
glucose
62.
What are the reactants in cellular respiration?
a)
glucose and oxygen
b)
glucose and carbon dioxide
c)
water and carbon dioxide
d)
oxygen and glucose
63.
What are the products in cellular respiration?
a)
water and carbon dioxide
b)
water and glucose
c)
carbon dioxide and oxygen
d)
glucose and oxygen
64.

The release in energy from the sugar that are in plant and animal cells is called...

a)

photosynthesis

b)

transpiration

c)

cellular respiration

d)

transition

65.

Which of the following equation explains cellular respiration?

a)

sugar+water -> salt+sunlight

b)

sugar+oxygen -> water+carbon dioxide+energy

c)

water+carbon dioxide+sunlight -> sugar+oxygen

d)

Sugar+energy -> water+carbon dioxide+oxygen

66.

Which of the following organelles is responsible for cellular respiration?

a)

Mitochondria

b)

Nucleus

c)

Endoplasmic Reticulum

d)

Ribosome

67.

How can energy from the sun be transferred to animals?

a)

The sun's energy is transformed into food by plants, animals eat plants as food so that they can transform that food into energy.

b)

Plants produced energy through photosynthesis, animals that eat that energy can produce food.

c)

Plants transformed energy of the sun into gases that animals can breath in to use as energy through respiration.

d)

Animals are able to use energy from the sun by eating the plants that provides energy for the animals.

68.

Where do animals get the oxygen and glucose they need for cellular respiration?

a)

Plants

b)

Mitochondria

c)

Sun

d)

other animals

69.

Which organelle is responsible making food (Glucose) using sunlight?

a)

Cell Membrane

b)

Nucleus

c)

Chloroplast

d)

Mitochondria

70.

Select all that are raw materials for Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

71.

Select all that are products of Photosynthesis.

a)

Water

b)

Carbon Dioxide

c)

Oxygen

d)

Sunlight (Light Energy)

e)

Glucose (Sugar/food)

72.

Is Glucose (C6H12O6) a Raw Material (Ingredient) or Product of Photosynthesis?

a)

Product

b)

Raw Material

c)

Neither

73.
Why do plants conduct photosynthesis?
a)
To make light
b)
To make mitochondria
c)
To make glucose
d)
To release carbon dioxide
74.
How does carbon dioxide get into the leaves of a plant?
a)
It's absorbed by the roots
b)
It's made in a chemical reaction in the stem
c)
It enters through the stomata
d)
It goes through the flowers
75.
Which of these conditions would decrease the rate of photosynthesis in a plant?
a)
Above average precipitation
b)
Changing the daylight hours from 14 hrs to 10 hrs
c)
Changing the CO2 concentration from 380 ppm to 410 ppm
d)
All of these choices
76.
Which choice correctly shows the gases that enter and exit plants during photosynthesis?
a)
Enter: Oxygen
Exit: Carbon dioxide
b)
Enter: Water vapor
Exit: Glucose
c)
Enter: Carbon dioxide
Exit: Oxygen
d)
Enter: Light
Exit: Water vapor
77.

Which of the following is the correct equation for PHOTOSYNTHESIS?

a)

light + carbon dioxide + water --> glucose + oxygen

b)

carbon dioxide + sugar + water --> oxygen + light

c)

oxygen + light + water --> carbon dioxide + sugar

d)

carbon dioxide + oxygen + water --> Light+ Sugar

78.
Lactic acid fermentation occurs in your muscles after a workout because your cells are struggling to get...
a)
Glucose
b)
Sunlight
c)
Oxygen
d)
Water
79.
Fermentation is cellular respiration without which molecule?
a)
CO2
b)
O2
c)
C6H12O6
80.
The process carried out by yeast that causes bread to rise is
a)
alcoholic fermentation
b)
lactic acid fermentation
c)
cellular respiration
d)
yeast mitosis
81.

What macromolecule describes glucose?

a)

lipid

b)

protein

c)

nucleic acid

d)

carbohydrate

82.

Is cellular respiration done by all organisms? Even Plants?

a)

Yes

b)

No

83.

Heterotrophs are also known as

a)

consumers

b)

producers

c)

instigators

d)

'the same'

84.

The three stages of the cell cycle are __________, mitosis, and

cytokinesis.

a)

interphase

b)

anaphase

c)

metaphase

d)

prophase

85.

Identical cells formed during cell division are called:

a)

daughter organelles

b)

daughter cycles

c)

daughter nucleus

d)

daughter cells

86.

A pair of similar chromosomes are called:

a)

homocycular

b)

homologous

c)

homocellular

d)

homonucleus

87.

The ____________ ensures that our body’s grow and repair

themselves.

a)

The cell growth

b)

The cell repair

c)

The cell recycle

d)

The cell cycle

88.

The process by which a cell nucleus divides is called:

a)

interphase

b)

mitosis

c)

cytokinesis

d)

cell cycle

89.

The final stage of the cell cycle is called:

a)

Interphase

b)

mitosis

c)

cytokinesis

d)

daughter cells

90.
Fungi, Plants, and Animals
a)
Unicellular organisms 
b)
Multicellular organisms
91.
Basic unit of life
a)
Cell
b)
Tissue
c)
Organ
d)
Organ System
92.
Which best explains why humans are multicellular organisms?
a)
Human cells are too small to function alone.
b)
Human cells join together to form one large cell.
c)
Humans need many cells to carry out life processes.
d)
Humans have many systems that perform the same function.
93.
How are multi-celled and single-celled organisms different?
a)
Multi-celled organisms need energy to survive, while single-celled organisms need no energy to survive.
b)
Single-celled organisms can be seen without using a microscope, while multi-celled organisms are microscopic.
c)
Multi-celled organisms have large numbers of specialized cells to perform a variety of life functions, while single-celled organisms complete life functions with one cell.
d)
Single-celled organisms have large numbers of identical cells that all perform the same function, while multi-celled organisms have cells that are all different and perform different life functions.
94.
How are single-celled organisms and multi-celled organisms similar?
a)
Both need food for energy and growth.
b)
Both have a skeletal system for support.
c)
Both require the interaction of many cells to survive.
d)
Both are able to carry out all life functions in only one cell.
95.
Why do humans require many different types of cells to survive?
a)
Human cells are identical and work together to perform the same function.
b)
Human cells are specialized and work together to perform the same function.
c)
Human cells are identical and work independently to perform different functions.
d)
Human cells are specialized and work independently to perform different functions.
96.
A stem cell...
a)
can develop into different types of cell
b)
stays as a stem cell forever
c)
can switch back and forth between different types of cell
97.
Structure (a) is a ____.
a)
chromosome
b)
chromatid
c)
centromere
98.
True or false: All body cells have the same number of chromosomes.
a)
True
b)
False
99.
How many cells are created at the end of Mitosis?
a)
1
b)
2
c)
3
d)
4
100.
Cells that have only one chromosome from each pair
a)
meiosis
b)
haploid
c)
homologous
d)
diploid
101.
The type of reproduction in which the genetic material from two different cells combine
a)
budding
b)
chromosomes
c)
diploid
d)
sexual reproduction
102.
How many daughter cells are produced from meiosis ?
a)
10
b)
6
c)
4
d)
2
103.
The female sex cell is called
a)
zygote
b)
sperm
c)
fertilization
d)
egg
104.
The male sex cell is called
a)
egg
b)
zygote
c)
sperm
d)
mitosis
105.
Humans have how may chromosomes ?
a)
112
b)
46
c)
8
d)
67
106.
Mitosis produces how many daughter cells ?
a)
6
b)
4
c)
8
d)
2
107.
Name the growth phase of the cell cycle.
a)
metaphase
b)
telophase
c)
interphase
d)
anaophase
108.
This type of cell has a nucleus.
a)
prokaryotes
b)
eukaryotes
c)
cytoplasm
109.
A fertilized egg is called
a)
egg
b)
lettuce
c)
zygote
d)
sperm
110.

A ________ is a group of 2 or more organs working together to keep an organism alive.

a)

cell

b)

tissue

c)

organ

d)

Organ system

111.

The ______ system helps you move, protects your organs, gives support to the body, and makes red blood cells.

a)

skeletal system

b)

muscular system

c)

digestive system

d)

respiratory system

112.

The ________ system works with the skeletal system to help you move and provides shape and warmth.

a)

skeletal

b)

integumentary

c)

muscular

d)

digestive

113.

The _____ system's function is to break down food into molecules that the body (cells) can use for energy.

a)

muscular

b)

digestive

c)

respiratory

d)

endocrine

114.

The _____ system is a transport system, carrying oxygen, carbon dioxide, and wastes to and away from cells using the heart and blood.

a)

endocrine

b)

circulatory

c)

respiratory

d)

excretory

115.

The _______ system includes the skin, hair, and nails. It is the body's first line of defense, absorbs vitamin D, excretes sweat.

a)

respiratory

b)

nervous

c)

Integumentary

d)

skeletal

116.

This system controls the body using the brain, spinal cord, and nerves.

a)

nervous system

b)

endocrine system

c)

excretory system

d)

digestive system

117.

The ______ system removes the body's wastes through the kidneys (cell wastes), digestive (feces), respiratory (CO2), and integumentary (salts/sweat)

a)

excretory

b)

digestive

c)

respiratory

d)

circulatory

118.

What is the term for tissues grouped together to perform a specific function?

a)

cell

b)

tissue

c)

organ

d)

organ system

119.

What is the term for cells grouped together to perform a specific function?

a)

cell

b)

tissue

c)

organ

d)

organ system

120.

What is the term for organs grouped together to perform a specific function?

a)

cell

b)

tissue

c)

organ

d)

organ system

121.

Asexual reproduction like mitosis produces

a)

Two offspring cells with the same genetic material as the parent cell.

b)

Two offspring cells with half genetic material as the parent cell.

c)

Four offspring cells with the same genetic material as the parent cell.

d)

Four offspring cells with half the genetic material as the parent cell.

122.

A mode of reproduction by which an organism arises from a single organism and inherit the identical genes of that parent

a)

Asexual Reproduction

b)

Sexual Reproduction

c)

Genetic Variation

d)

Alleles

123.
The offspring from asexually reproduced organisms are?
a)
Different than their parents
b)
Identical to parents
c)
Like a combination from both parents
d)
A different species
124.

A mode of reproduction in which an organism arises from two organisms and inherits half of its DNA from each parent

a)

Sexual Reproduction

b)

Asexual Reproduction

c)

Cloning

d)

Fragmentation

125.

Planaria and Starfish show this type of reproduction

(a)  

126.

Identify the picture shown above

a)

Offset

b)

Runner

c)

Stolon

d)

corm

127.

Identify the process shown in the above diagram

a)

Binary fission

b)

Multiple fission

c)

Budding

128.
Diverse offspring
a)
Sexual
b)
Asexual
c)
Both
d)
Neither
129.
Uniform offspring
a)
Sexual
b)
Asexual
c)
Both
d)
Neither
130.

Which type of reproduction takes the shortest amount of time?

a)

Asexual

b)

Sexual

c)

Monopolistic

d)

Bilingual

131.

Identify the type of asexual reproduction shown in the image.

a)

vegetative propogation

b)

cloning

c)

binary fision

d)

budding

132.
What is the main purpose of reproduction?
a)
For a species to die out
b)
For a species to continue survival
c)
For all the cells to look different
d)
For all the cells to look the same
133.

What type of Genotype is this: AA?

a)

Homozygous

b)

Heterozygous

134.

What type of Genotype is this: Aa?

a)

Homozygous

b)

Heterozygous

135.

What type of Genotype is this: aa?

a)

Homozygous

b)

Heterozygous

136.
Which of the following is heterozygous
a)
FF
b)
tt
c)
Gg
d)
RR
137.
Which of the following is homozygous recessive?
a)
rr
b)
AA
c)
TT
d)
Ff
138.
What does the prefix hetero- in heterozygous mean?
a)
same
b)
different
c)
dating
d)
human
139.
Which of the following is homozygous dominant?
a)
Jj
b)
Rr
c)
MM
d)
ee
140.
Alternative forms of a gene are called
a)
Alleles
b)
Homozygous
c)
DNA
d)
Genetics
141.
The physical appearance of an organism based on traits
a)
Genotype
b)
Phenotype
c)
Meiosis
d)
Genetics
142.
The allele combinations
a)
genetics
b)
mitosis
c)
genotype
d)
phenotype
143.
What is a recessive allele?
a)
A trait that is always shown (capital letter)
b)
A trait that can be hidden (lower case letter)
c)
Alleles that are the same
d)
Alleles that are different
144.
Hair colour is an example of
a)
genotype
b)
phenotype
145.

who uses a fork to comb their hair

a)

The little mermaid

b)

princess and the frog

c)

spongebob

146.

Which one is NOT a disney Princess

a)

Elsa

b)

Belle

c)

Ariel

d)

Rapunzle

147.

How many Disney PRINCESSES are in this picture

a)

5

b)

7

c)

10

d)

9

148.

who gets poisoned with an apple

a)

jade

b)

snow white

c)

mulan

d)

sleeping beauty

149.

who is this disney princess

a)

Cinderella

b)

Rapunzel

150.

who is this disney princess

a)

Merida

b)

Anna