WorksheetsECO Bio T1 Exam Review
Total questions: 100
Worksheet time: 1hrs 15mins
Name
Class
Date
1.
What type of shape or structure does a water molecule have?
a)
Linear
b)
Bent
c)
Curved
d)
Trigonal
2.
What type of intramollecular bonds are found in water molecules?
a)
Hydrogen Bonds
b)
Ionic Bonds
c)
Covalent Bonds
d)
James Bonds
3.
What type of intermollecular bonds can be formed with a water molecule?
a)
Hydrogen Bonds
b)
Ionic Bonds
c)
Covalent Bonds
d)
Metallic Bonds
4.
Is water a polar or a non-polar molecule?
a)
Polar
b)
Non-polar
5.
Which of these is NOT a physical property of water?
a)
It can be found in all three states at normal temperatures on Earth.
b)
It freezes at 32°F and boils at 212°F
c)
Water has a very low specific heat.
d)
Water has a very high surface tension.
6.
The atom around which the electrons spend the most time will have a _______________ charge, and the atom around which the electrons spend the least time will have a ______________ charge.
a)
slightly negative, slightly positive
b)
only positive charge
c)
only negative charge
d)
neutral charge
7.
The attraction between molecules of the same substance.
a)
Cohesion
b)
Adhesion
8.
An attraction between molecules of different substances.
a)
Cohesion
b)
Adhesion
9.
The properties of water most responsible for this are
a)
adhesion only
b)
cohesion only
c)
cohesion and adhesion
10.
The film of water under the bug is best created by:
a)
Hydrogen bonds
b)
Ionic bonds
c)
Plastic
d)
Legs of the insect
11.
The tightness across the surface of water that enables paper clips to float is ____________.
a)
adhesion
b)
capillary action
c)
surface tension
d)
polarity
12.
Because ice floats in water, we know that it is __________________________.
a)
less dense than water
b)
more dense than water
c)
a solvent
d)
just as dense as water
13.
Attractions between water molecules are called
a)
Covalant bonds
b)
Ionic bonds
c)
Polar bonds
d)
Hydrogen bonds
14.
Water droplets take a spherical shape (as pictured) because of ____________
a)
adhesion
b)
cohesion
c)
capillary action
d)
solubility
15.
Water is a universal solvent because it...
a)
It can be found anywhere
b)
It freezes when it gets cold
c)
floats when frozen
d)
Dissolves most substances
16.
Most of water's properties occur because it is...
a)
A polar covalent
b)
Made with oxygen
c)
A polar ionic
d)
Makes up 75% of the Earth
17.
Water striders can walk across the surface of calm water. Their feet push the surface of the water down slightly, but they do not break the surface. Why?
a)
The insects are light enough so they do not break the hydrogen bonds holding the water molecules together
b)
The insects actually use their wings to hover slightly above the water’s surface and they only skim it with their feet.
c)
The insect’s feet are non-polar, so they are repelled by the polar water molecules and are pushed away from the water’s surface.
d)
The insects are small enough to see the individual water molecules, so they are able to step carefully from one molecule to the next
18.
When you step out into the cold, your body shivers in order to keep its temperature at 98.6F.
a)
All living things use energy
b)
All living things contain cells
c)
All living things maintain homeostasis
d)
All living things grow
19.
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
20.
A baby song bird hatches from its egg with both parent songbirds watching.
a)
All living things reproduce
b)
All living things maintain homeostasis
c)
All living things use energy
d)
All living things grow
21.
A pill bug (roly poly) eats a carrot.
a)
All living things contain cells
b)
All living things use energy
c)
All living things maintain homeostasis
d)
All living things grow
22.
A caterpillar hibernates in a cocoon and emerges as a butterfly.
a)
All living things adapt to their environment
b)
All living things use energy
c)
All living things respond to their environment
d)
All living things grow
23.
A tulip opens in the morning at sunrise and closes in the evening at sunset.
a)
All living things have cells
b)
All living things use energy
c)
All living things respond to their environment
d)
All living things grow
24.
YOU are a multi-celled organism but an amoeba is a single celled organism.
a)
All living things have cells
b)
All living things grow
c)
All living things use energy
d)
All living things respond to their environment
25.
Used for short term (quick) energy.
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acids
26.
Provides long term energy and insulation,
a)
lipids
b)
carbohydrates
c)
nucleic acids
d)
proteins
27.
Contains DNA and RNA
a)
lipids
b)
carbohydrates
c)
proteins
d)
nucleic acids
28.
Contains a phosphate, sugar and nitrogen base
a)
nucleic acid
b)
lipid
c)
carbohydrate
d)
protein
29.
Is found in the cell membrane as a bilayer.
a)
lipids
b)
protein
c)
nucleic acid
d)
carbohydrate
30.
Proteins are made of monomers called ___________
a)
Nucleotides
b)
Monosaccharides
c)
Amino Acids
d)
Glycerol and fatty acids
31.
The element _______is found in all of the organic compounds.
a)
Iron
b)
Nitrogen
c)
Carbon
d)
Oxygen
32.
_________ are composed out of carbon (C), hydrogen (H), oxygen (O), nitrogen (N), and phosphorus (P)
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
33.
Nucleotides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
34.
Monosaccharides are monomers of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
35.
Waxes, oils and fats are examples of
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
36.
The organic compounds that have many structural purposes and are used in many processes within the
cell are called ____________________.
cell are called ____________________.
a)
Carbohydrates
b)
Lipids
c)
Proteins
d)
Nucleic Acids
37.
What is the function of nucleic acids?
a)
store genetic information
b)
store energy (long-term)
c)
store energy (short-term)
d)
build skin, hair, nails, muscles
38.
Which macromolecule is shown?
View Figure 2 (if not visible)
View Figure 2 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
39.
Which macromolecule is shown?
View Figure 3 (if not visible)
View Figure 3 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
40.
Which macromolecule is shown?
View Figure 4 (if not visible)
View Figure 4 (if not visible)
a)
lipid
b)
protein
c)
nucleic acid
d)
carbohydrate
41.
What type of macromolecule are enzymes?
a)
Protein
b)
Carbohydrate
c)
Lipid
d)
Nucleic Acid
42.
Carbohydrates are made of...
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
43.
Lipids are made of...
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
44.
Proteins are made of...
a)
C H O
b)
C H O N
c)
C H O N P
d)
C H O N S
45.
This is one job proteins do NOT have in the body
a)
insulation
b)
structure for tissues and organs
c)
speed up chemical reactions
d)
transport things through cell membrane
46.
Which macromolecule is made of simple and complex sugars?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
47.
How do enzymes speed up chemical reaction?
a)
Increasing activation energy
b)
Decreasing activation energy
c)
Increasing deactivation energy
d)
Decreasing deactivation energy
48.
The graph shows how enzymes affect reactions in cells. Which statement best summarizes the information shown in the graph?
a)
Enzymes increase the energy of the reactants.
b)
Enzymes decrease the energy level of the products.
c)
Enzyme decrease the activation energy of the reaction.
d)
Enzymes reverse the direction of the reaction.
49.
Which of the following conclusions can be drawn from this graph?
a)
The optimum pH of the enzyme is 6.6.
b)
The optimum pH of the enzyme is 5.8
c)
The enzyme’s activity increases as pH increases 5.0 to 9.0
d)
The enzyme’s activity is greater around pH of 8.0 .
50.
Based on the graph, what is the optimal temperature for this enzyme?
a)
15oC
b)
40oC
c)
30oC
d)
35oC
51.
In the diagram, what is letter A?
a)
product
b)
substrate
c)
enzyme-substrate complex
d)
active site
52.
What happens when enzymes are heated to a high temperature?
a)
The enzymes die.
b)
The shapes of the enzyme are altered denature
c)
The enzymes' amino acid sequence changes.
d)
The enzymes remain the same
53.
Which of these is NOT true?
a)
Enzymes can denature (change shape) when the temperature gets too high.
b)
Enzymes can only be used once in a chemical reaction.
c)
Extreme pH can denature enzymes.
d)
Enzymes speed up chemical reactions.
54.
Letter C...
a)
active site
b)
enzymes
c)
substrate
d)
products
55.
Letter E...
a)
active site
b)
enzyme
c)
substrate
d)
products
56.
Sac within the cytoplasm that is full of fluid; plants have one large; stores food, water, etc.
a)
vacuole
b)
cell wall
c)
lysosome
d)
ribosome
57.
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
58.
Which organelle uses energy from sunlight to make sugar?
a)
mitochondria
b)
nucleus
c)
chloroplasts
d)
vacuoles
59.
Which part of the cell is often called "the brain of the cell"?
a)
nuclear membrane
b)
endoplasmic reticulum
c)
nucleus
d)
ribosomes
60.
You might think of me as the trash collector or recycler is maybe more accurate. What am I?
a)
cytoplasm
b)
lysosme
c)
vacuole
d)
ribosome
61.
I am a protein packaging and shipping machine! Who am I?
a)
vacuole
b)
ribosome
c)
endoplasmic reticulum
d)
golgi apparatus
62.
What is this?
a)
mitochondria
b)
lysosomes
c)
chloroplast
d)
endoplasmic reticulum
63.
Where is the DNA found in a prokaryotic cell?
a)
floating around in the cytoplasm
b)
in the nucleus
64.
What type of cell has a nucleus?
a)
eukaryotic
b)
prokaryotic
65.
Controls what enters/leaves a cell
a)
cell membrane
b)
Nuclear membrane
c)
cell wall
d)
cytoplasm
66.
releases energy for cells to use, most common in animal cells
a)
mitochondria
b)
ribosomes
c)
lysosomes
d)
nucleolus
67.
Amino acids link together to form proteins. In which organelle would this process occur?
a)
Lysosome
b)
Ribosome
c)
Centriole
d)
Mitochondria
68.
What process occurs when WATER diffuses across a membrane?
a)
endocytosis
b)
mitosis
c)
osmosis
d)
nuclear fission
69.
Which way will the water molecules move during osmosis?
a)
Out of the cell, so the cell shrinks.
b)
Out of the cell, so the cell swells.
c)
Into the cell, so the cell shrinks.
d)
Into the cell, so the cell swells.
70.
A person would never have pure water put into their veins in a hospital because their cells would...
a)
Shrink/Dehydrate
b)
Expand
71.
A person should never drink salty water because their cells would
a)
shrink
b)
expand
72.
Passive transport requires no
a)
concentration gradients
b)
osmosis
c)
motion
d)
energy
73.
The substance in which a solute is dissolved
a)
sands
b)
solvent
c)
alloy
d)
negative particles
74.
The substance being dissolved in a solution.
a)
sands
b)
solute
c)
solvent
d)
alloy
75.
If the volume of a cell increases when it is placed in a solution, that solution is said to be __________ to the cell
a)
hypertonic
b)
subatomic
c)
isotonic
d)
hypotonic
76.
What is the goal of diffusion?
a)
hypertonic environment
b)
hypotonic environment
c)
equilibrium
d)
passive transport
77.
If there is no net movement in or out of the cell it is which type of environment?
a)
hypotonic
b)
hypertonic
c)
isotonic
78.
The cell membrane is
a)
impermeable
b)
selectively permeable
c)
the same as the cell wall
d)
only crossed with active transport
79.
Which organisms perform Photosynthesis?
a)
Only Autotrophs
b)
Only Heterotrophs
c)
Autotrophs and Heterotrophs
80.
What is the pigment in chloroplasts that performs photosynthesis?
a)
Chlorosynthesis
b)
Chlorophyll
c)
ADP
d)
Electron Transport
81.
Which of the following is the correct equation for PHOTOSYNTHESIS?
a)
6CO2 + 6H2O --> 6O2 + C6H12O6
b)
6CO2 + C6H12O6 + 6H2O --> O2
c)
6O2 + 6H2O --> 6CO2 + C6H12O6
d)
C6H12O6 + 6O2 ---> 6H2O + 6CO2
82.
Which gas is removed from the atmosphere during photosynthesis?
a)
hydrogen
b)
oxygen
c)
nitrogen
d)
carbon dioxide
83.
What are the reactants (what's needed) for photosynthesis?
a)
glucose and oxygen
b)
light, water, and carbon dioxide
84.
What gas is released by plants during photosynthesis?
a)
sulfur
b)
carbon dioxide
c)
oxygen
d)
hydrogen
85.
What is the purpose of photosynthesis?
a)
make glucose
b)
make ATP
c)
make light
d)
release carbon dioxide
86.
What is one of the reactants of cellular respiration?
a)
energy
b)
glucose
c)
carbon dioxide
d)
water
87.
Which of the following structure is where cellular respiration occurs in the cell?
a)
nucleus
b)
cytoplasm
c)
mitochondria
d)
vacuoles
88.
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
89.
Glycolysis occurs where in cells?
a)
cytoplasm
b)
mitochondria matrix
c)
mitochondria inner membrane
d)
chloroplast
90.
What is the name of the 1st step of cellular respiration?
a)
Glycolysis
b)
Kreb's Cycle
c)
ETC
d)
Anaerobic respiration
91.
What are the two reactants of cellular respiration?
a)
C6H12O6 & 6CO2
b)
6 CO2 & 6H2O
c)
C6H12O6 & 6O2
d)
6CO2 & 6O2
92.
Which is a product of Kreb's Cycle?
a)
Carbon dioxide
b)
Glucose
c)
Pyruvate
d)
Water
93.
Where does the Krebs Cycle take place?
a)
mitochondria
b)
chloroplast
c)
cytoplasm
d)
nucleus
94.
What is a series of events a cell goes through as they grow and divide?
a)
Cell Division
b)
Cell Cycle
c)
Cytokinesis
d)
Mitosis
95.
What is the longest stage of the cell cycle called?
a)
Cytokinesis
b)
M phase
c)
Interphase
d)
G1 Phase
96.
During what stage does the G1, S and G2 phases happen?
a)
Interphase
b)
M phase
c)
Mitosis
d)
Cytokinesis
97.
During what phase of the cell cycle does the cell grow?
a)
G1 phase
b)
S phase
c)
M phase
d)
Cytokinesis
98.
Put the following stages of mitosis in order: anaphase, prophase, metaphase, and telophase.
a)
prophase, metaphase, telophase, anaphase
b)
prophase, anaphase, metaphase, telophase
c)
prophase, metaphase, anaphase, telophase
d)
prophase, telophase, metaphase, anaphase
99.
Why would it be important to replicate DNA before a cell divides in mitosis or meiosis?
a)
In order for genetic information to be transferred into daughter cells.
b)
In order for the cell to be able to increase in size.
c)
In order for the DNA to be contained in the nucleus.
d)
In order for the cell to re-order the DNA sequencing in the new cells.
100.
During cytokinesis, the cell
a)
splits the nucleus
b)
divides into two cells
c)
forms chromosomes
d)
copies the DNA
100 %
