wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Unit 2: Origin of Life

Total questions: 100

Worksheet time: 2hrs 8mins

Name
Class
Date
1.

contains DNA, which has the information on how to make the cell's proteins

control center for the cell

a)

nucleus

b)

lysosome

c)

mitochondria

d)

endoplasmic reticulum

2.

What is the function of cell membrane ?

a)

responsible for making proteins

b)

responsible for storage

c)

responsible for materials going in and out of cell

d)

responsible for DNA

3.
Storage of food, water, wastes, and enzymes.
a)
Vacuole
b)
Mitochondria
c)
Cell Membrane
d)
Cytoplasm
4.

Identify the structure (A)

a)

Cell Membrane

b)

Ribosome

c)

Chloroplast

d)

Nucleus

5.

Identify the structure (B)

a)

Cell Membrane

b)

Ribosome

c)

Chloroplast

d)

Nucleus

6.

Identify the structure (D)

a)

Cell Membrane

b)

Ribosome

c)

Chloroplast

d)

Nucleus

7.

Animal cell or plant cell

a)

Animal

b)

Plant

8.

Least complex to most complex

a)

mitochondria, leaf, plant cell, tree

b)

mitochondria, plant cell, leaf, tree

c)

tree,leaf, plant cell, mitochondria

d)

plant cell, leaf, mitochondria , tree

9.

What is the term for the smallest unit of life?

a)

cell

b)

tissue

c)

organ

d)

organ system

10.

Which of the following shows the order from simplest to most complex?

a)

organelle -> cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organelle -> organs->organ systems-> organism

c)

organelle -> organs->organ systems-> organism->cells->tissue

d)

organism -> organ systems -> organs -> tissues -> cells -> organelle

11.

Which of the following shows the order from most complex to least complex?

a)

Organelle -> cells->tissue->organs->organ systems-> organism

b)

tissue->cells->organs->organ systems-> organism

c)

organs->organ systems-> organism->cells->tissue

d)

organism -> organ systems -> organs -> tissues -> cells -> organelles

12.

breaks down glucose to produce energy (ATP) during cellular respiration

a)

mitochondria

b)

nucleus

c)

cytoplasm

d)

chloroplast

13.

Identify the structure for "A"

a)

Nucleus

b)

Cell membrane

c)

Mitochondria

d)

Vacuole

14.

Identify the structure for "B"

a)

Nucleus

b)

Cell membrane

c)

Mitochondria

d)

Vacuole

15.

Identify the function for "A"

a)

stores genetic information

b)

transports materials in and out

c)

makes ATP (energy)

d)

Storage of waste

16.

Identify the structure for "C"

a)

Nucleus

b)

Cell membrane

c)

Mitochondria

d)

Vacuole

17.

Identify the function for "C"

a)

stores genetic information

b)

transports materials in and out

c)

releases energy

d)

Storage of waste

18.

Enzymes are an example of

a)

Lipids

b)

Carbohydrate

c)

Protein

d)

Nucleic Acid

19.
What is the purpose  of an enzyme?
a)
give permission for the reaction
b)
raise activation energy
c)
speed up reactions
d)
control how many reactions occur
20.
Each enzyme only has 1 substrate that will fit its active site.  What is this called?
a)
reusable
b)
catalyst
c)
specific
d)
fragile
21.
After the enzyme and substrate bind together and perform the reaction, what does the substrate become?
a)
a substrate
b)
an enzyme
c)
a product
d)
an active site
22.
Letter B...
a)
active site
b)
enzyme
c)
substrate
d)
products
23.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
24.

What is structure "A"

a)

an inorganic substance

b)

a chemical

c)

ribosome

d)

a receptor molecule

25.

Which of the following ways is NOT how our bodies use homeostasis for balance?

a)

uses energy

b)

detect changes in the environment

c)

rearrange and synthesize chemical compounds

d)

the body making force and inertia

26.

Which of the following organisms can this cell belong to?

a)

Chicken

b)

Flower

27.

What are the 4 most abundant elements in living things?

a)

hydrogen, oxygen, nitrogen, carbon

b)

hydrogen, helium, oxygen, carbon

c)

carbon, manganese, iron, hydrogen

28.

The element(s) _______is found in all of the organic compounds.

a)

Iron

b)

Nitrogen & Carbon

c)

Carbon& Hydrogen

d)

Oxygen & Hydrogen

e)

Carbon

29.
a)

organic

b)

inorganic

30.
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
31.

Identify the characteristic: A camel has eyelashes that work to keep the dust and sand out of its eyes.

a)

All living things adapt/respond to their environment

b)

All living things grow

c)

All living things have cells

d)

All living things use energy

32.

Identify the characteristic: Green plants produce their own food through the process of photosynthesis.

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

33.

Fire is living because it has 6 of the 8 characteristics of life.

a)

True

b)

False

34.

In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.

a)

all

b)

some

c)

one

d)

more than half

35.

The element(s) _______is found in all of the organic compounds.

a)

Iron

b)

Nitrogen & Carbon

c)

Carbon& Hydrogen

d)

Oxygen & Hydrogen

e)

Carbon

36.
a)

organic

b)

inorganic

37.
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
38.

Identify the characteristic: A camel has eyelashes that work to keep the dust and sand out of its eyes.

a)

All living things adapt/respond to their environment

b)

All living things grow

c)

All living things have cells

d)

All living things use energy

39.

Identify the characteristic: Green plants produce their own food through the process of photosynthesis.

a)

All living things use energy

b)

All living things contain cells

c)

All living things maintain homeostasis

d)

All living things grow

40.

Fire is living because it has 6 of the 8 characteristics of life.

a)

True

b)

False

41.

In order for something to be considered a living organism, it must display _____ of the eight characteristics of living things.

a)

all

b)

some

c)

one

d)

more than half

42.
Which of the following characteristics of living things best explains why your legs and arms get longer and stronger as you get older?
a)
You grow and develop.
b)
You maintain homeostasis.
c)
Your cells contain genetic information.
d)
You display organization.
43.

Butterflies go through four stages of metamorphosis ( egg, larva, pupa, and adult.) Humans also grow and develop with many stages ( germinal stage, embryonic stage, fetal stage, infancy, childhood, adolescence, and adulthood.) What does the similarity in these organism demonstrate about life?

a)

Living things have different process, and accomplish them differently

b)

Living things have different process, but accomplish them the same way

c)

Living things have similar processes, but accomplish them differently

d)

Living things have similar processes, and accomplishes them exactly the same

44.

True or False:


All organism must maintain internal stability

a)

True

b)

False

45.

True or False:


All organisms have organs systems

a)

True

b)

False

46.

A train is a non-living thing. Identify which of the reasons explain why.

a)

It can't move

b)

It can't reproduce

c)

It can't grow

d)

It doesn't require energy

47.

Identify whether the following statement is true or false.


Non-living things were once alive but are now dead.

a)

True

b)

False

48.
What does homeostasis mean?
a)
Temperature
b)
Water
c)
Cells
d)
Steady state
49.
Homeostasis
a)
allows for a wildly fluctuating internal environment
b)
is impossible in vertebrates
c)
is the maintenance of a relatively stable internal environment and often incorporates a form of feedback regulation
d)
is the maintenance of a relatively stable external environment and often incorporates a form of feedback regulation
50.

TRUE OR FALSE:


ALL LIVING THINGS HAVE MORE THAN ONE CELL

a)

TRUE

b)

FALSE

51.

TRUE OR FALSE:


LIPIDS STORE ENERGY

a)

TRUE

b)

FALSE

52.

CHECK ALL THE FUNCTIONS OF LIPIDS

a)

Energy storage

b)

Fight bacteria

c)

Fight COVID

d)

Sends messages

e)

Help keep animals warm (insulation)

53.

What is the building block of a protein?

a)

Amino acid

b)

Nucleic acid

c)

sugar

d)

DNA

54.

What happens if the sequence of a protein is changed?


CHECK ALL OF THE POSSIBLITIES:

a)

protein has a different function

b)

protein shape will change

c)

protein will be different

d)

protein will turn to fat

55.

True or False:


All organisms have organs systems

a)

True

b)

False

56.

How do lipids function for cells?

a)

store information and stores energy

b)

store energy and sends message

c)

stores and then breakdown wastes

d)

Stores and join with substrates

57.

What is the building block of a protein?

a)

monosaccharide

b)

amino acid

c)

nucleotide

d)

fatty acids

58.

What is the building block of a Nucleic Acid ?

a)

monosaccharide

b)

amino acid

c)

nucleotide

d)

fatty acids

59.

Unicellular organisms are alive

a)

true

b)

false

60.
Which biomolecule is important source of energy for humans; glucose for human cells, tissues, and organs; provides fiber, sugar, and starches; provides structural support, cell wall, and cell membrane maker?
a)
Nucleic Acid
b)
Lipid
c)
Carbohydrate
d)
Protein
61.
Which biomolecule includes fats, such as triglycerides, oils, waxes, and steroids (cholesterol); insoluble in water; provides energy storage, insulation, part of cell membrane, and hormones 
a)
Nucleic Acid
b)
Lipids
c)
Carbohydrate
d)
Protein
62.
Why is DNA important?
a)
it is very small and very complicated
b)
it's in everything
c)
it serves as the blueprint for traits of all living things
d)
because we eat it every day for energy
63.

Which shows the correct complementary base pairing for DNA?

a)

C-A, T-G

b)

A-G, C-T

c)

C-G, U-A

d)

T-A, G-C

64.
DNA codes for...
a)
bases
b)
proteins
c)
amino acids
d)
phosphates
65.
Guanine bonds with ______________.
a)
Adenine
b)
Guanine
c)
Cytosine
d)
Thymine
66.

DNA carries the genetic information for making (a)   .

67.

Enzymes are __________ and made of ________.

a)

Proteins, amino acids

b)

Proteins, Nucleic acids

c)

Carbohydrates, amino acids

d)

DNA, Nucleic acids

e)

Lipids, Fat

68.

What is the function of an enzyme?

a)

speed up chemical reactions in the body

b)

store genetic information

c)

supply the main source of energy

d)

provide thermal insulation (heat)

69.

What is the optimal pH for this enzyme?

a)

6

b)

10

c)

9

d)

7

70.

The ____________________ mechanism describes how each substrate must fit into the enzyme.

a)

lock and key

b)

hammer and nail

c)

jigsaw puzzle

d)

seesaw

71.

A baby is locked in the car on a hot day. What is most likely to happen to the child?

a)

The child's body will adjust and cause it to maintain homeostasis

b)

The child's enzymes will denature causing chemical reactions to speed up in the body, which will lead to death.

c)

The child's enzymes will denature causing chemical reactions to slow down in the body, which will lead to death.

d)

The activation energy for chemical reactions will remain unchanged and therefore the child will live.

72.

What is the optimal temperature of this enzyme?

a)

60

b)

40

c)

70

d)

30

73.
Which major macromolecule is being represented in this image? 
a)
carbohydrate
b)
lipid
c)
protein
d)
nucleic acid
74.
What is the function of an enzyme?
a)
enzymes break themselves into small pieces
b)
enzymes slow down chemical reactions
c)
enzymes speed up chemical reactions
d)
enzymes combine products to form reactants 
75.
What makes an enzyme substrate specific?
a)
Size
b)
Shape
c)
Name
d)
Location it is found in
76.

Enzymes are composed of which of the following monomers?

a)

amino acids

b)

carbohydrates

c)

nucleotides

d)

monosaccharides

77.

An enzyme and four different molecules are shown in the diagram below. The enzyme would most likely affect reactions involving?

a)

Molecule A, only

b)

Molecule D only

c)

Molecule B and D

d)

Molecule C and D

78.

How does a high temperature (fever) effect enzyme activity?

a)

speeds up activity

b)

slows down activity

c)

activity remain the same

79.

Why can high body temperature result in death?

a)

the heat can cause the enzyme shape to change

b)

the heat can cause the enzyme to get sick

c)

the heat can cause the molecules to speed up too fast

d)

the heat can cause the pH to change

80.

TRUE OR FALSE

A difference in the pH of an environment changes enzyme activity.

a)

TRUE

b)

FALSE

81.

TRUE OR FALSE:


LIPIDS STORE ENERGY

a)

TRUE

b)

FALSE

82.

CHECK ALL THE FUNCTIONS OF LIPIDS

a)

Energy storage

b)

Fight bacteria

c)

Fight COVID

d)

Sends messages

e)

Help keep animals warm (insulation)

83.

Where do the stem and leaves get their green color from?

a)

glucose

b)

carbon dioxide

c)

oxygen

d)

Chlorophyll

84.
Where is DNA stored in a cell? 
a)
Lysosomes
b)
Golgi Complex
c)
Ribosomes
d)
Nucleus
85.

Which sequence of terms is in the correct order from simplest to most complex?

a)

organelle --> cells --> tissues--> organs -->> organ systems

b)

organelle --> tissues --> organisms --> cells --> organ systems

c)

cells --> organelle --> tissues --> organ systems --> organs

d)

organs --> organisms --> organ systems --> cells --organelle

e)

cells --> tissues--> organelle -->organs -->> organ systems

86.
What is an organelle?
a)
Different types of cells
b)
Different parts of a cell
c)
Different types of organisms
d)
Different places that make energy for cell
87.
State the process that organelle X performs.
a)
photosynthesis
b)
cellular respiration
c)
protein synthesis
d)
information storage
88.

Identify organelle X

a)

vacuole

b)

mitochondria

c)

chloroplast

d)

nucleus

89.
If an organism had the following organelles: mitochondria, chloroplast, ribosome, nucleus, cell wall, and cell membrane, what type of organism is the cell found in? 
a)
Only plants
b)
Only animals
c)
Plants and Animals
d)
Animals & Fungi
90.
If a cell had the following organelles: nucleus, mitochondria, ribosome, and cell membrane. And DID NOT have a chloroplast and cell wall, what kind of organism is the cell found in? 
a)
Animals only
b)
Plants only
c)
Both plants and animals
d)
Bacteria
91.
What does the cell wall do for the cell?
a)
Allows things in and out
b)
Provides protection and structure
c)
Controls the cell
d)
Makes protein 
92.
What does the chloroplast do in cells? 
a)
Allows things in and out of cell
b)
Controls the whole cell
c)
Uses sunlight for photosynthesis
d)
Makes energy for the cell
93.
What does the cell membrane do for cells? 
a)
Allows things in and out
b)
Protection & structure for plant cells
c)
Controls the cell
d)
Holds DNA 
94.
Why is the nucleus important? 
a)
It give the cell its energy
b)
It stores genetic information
c)
It uses sunlight for food
d)
It makes the proteins
95.
Where in the cell are proteins made? 
a)
Ribosome
b)
Cell Membrane
c)
Chloroplast
d)
Nucleus
96.
What is the job of the mitochondria?
a)
Makes Energy
b)
Uses Sunlight in Plants
c)
Creates Protein
d)
Protects the cell
97.
Where can you find the chloroplast? 
a)
Only Plants
b)
Only Animals
c)
Plants & Animals
d)
Animals & Bacteria
98.
What organisms have a cell wall? 
a)
Only Plants
b)
Only Animals
c)
Plants & Animals
d)
Animals & Bacteria
99.
How are plant cells different from animal cells?
a)
Only plant cells can grow
b)
Only animal cells can reproduce
c)
Only animal cells can store energy
d)
Only plant cells can perform photosynthesis
100.

Chloroplasts and mitochondria are the same in that they both...

a)

are green in color.

b)

are found in plant and animal cells.

c)

have a liquid stroma.

d)

produce energy.