WorksheetsScience Final Study Guide
Total questions: 45
Worksheet time: 23mins
An energy pyramid represents energy flow (like a food web, but without arrows) starting at the bottom. Which energy pyramid matches the food web in the attached picture?
An energy pyramid represents energy flow (like a food web, but without arrows) starting at the bottom. A worm eats a plant and then the worm is eaten by a bird. Which is the correct energy pyramid?
________ occurs in mitochondria, where cells make all energy in the form of ATP!
Cellular respiration
Chloroplast
Photosynthesis
Cytoplasm
The symptoms of a disease are related to where the cell damage occurs. Which is NOT a symptom for a disease that damages your brain cells?
Headache
Dizziness
Confusion
Difficulty breathing
Cellular respiration occurs in _______, whereas photosynthesis occurs in ________.
plants only, plants and animals
plants and animals, plants only
animals only, plants only
animals only, plants and animals
Why can't animals do photosynthesis?
They don't have chloroplasts
They don't have mitochondria
They don't have cells
Their chloroplasts don't have chlorophyll.
True or False: Animals AND plants have mitochondria that perform cellular respiration.
True
False
Ecosystems can be very sensitive. If a new organism is introduced or an organism in an existing ecosystem goes extinct...
ALL organisms in the ecosystem can be affected.
No organisms in the ecosystem will be affected.
Only one organism will be affected.
The ecosystem will be destroyed.
Lions eats deer. What happens during hunting season when the deer population decreases?
Lions population decreases and they may look for other food
Lions population increases and they may look for other food
Lions become herbivores and eat grass.
Nothing changes.
The most energy is at the _______ of a food web, and the least energy is at the _____ of the food web.
bottom/beginning, top/end
top/end, bottom/beginning
middle, bottom/beginning
top/end, middle
Chemical bonds are broken during _________, allowing organisms to get energy in the form of ATP!
cellular respiration
mitochondria
photosynthesis
apoptosis
What process is shown in the photo?
Photosynthesis
Cellular Respiration
Hydrolysis
Glycolysis
What process is shown in the photo?
Photosynthesis
Cellular Respiration (sometimes just called "respiration")
Hydrolysis
Glycolysis
Humans burning fossil fuels, destroy forests, and raising cattle (cows) can mess with the _________ which causes climate change.
carbon cycle
corn cycle
cellular respiration
climate change
Are bacteria and viruses both living?
No! Bacteria are also unicellular prokaryotes, but since viruses need a host for replication they aren't considered living.
Yes! Bacteria are also unicellular prokaryotes, but since viruses need a host for replication they aren't considered living.
No! Bacteria are also unicellular prokaryotes, but viruses are always multicellular.
Yes, they are both living since they both infect people and get them sick
Viruses infect through lysogenic or latent cycles. The _______ cycle integrates viral DNA into the hosts DNA, whereas the _______ cycle results in lysis (of the infected cell.
lysogenic, lytic
lytic, lysogenic
lytic, cellular respiration
lysogenic, apoptosis
The adaptive immune system gets rid of a virus by preventing its growth. A part of the adaptive immune system are ______ can neutralize viruses (or other pathogens).
antibodies
antigens
lysogenic
lytic
What is a type of cell within the body capable of engulfing and absorbing pathogens?
Antigens
Lymphocytes
Pathogens
Phagocytes
What is atype of cell that recognizes antigens and produces antibodies?
Antigens
Lymphocytes
Pathogens
Phagocytes
Which type of infections are treated with antibiotics?
Only bacterial
Only viral
Both viral and bacteria
No infections
How do you calculate CFR (case fatality rate)?
By knowing the incubation period
By knowing the infectious period
By knowing the R0 (R-naught)
By knowing the number of people who died from a disease and the total number of people infected
Microorganisms are organisms that are too small to be seen with the naked eye. Which of the following is not true of microorganisms?
They can be prokaryotic (have a nucleus) or eukaryotic (not have a nucleus)
They can be pathogenic (cause disease), beneficial (helpful), or neutral
They can be unicellular or multicellular
There are only a few different types of microorganisms
Bacteria replicate via __________, and thus reproduce much more quickly than humans (whose cells replicate via ______).
the lysogenic cycle, mitosis
binary fission, mitosis
the lytic cycle, the lysogenic cycle
mitosis, binary fission
A _______ cell has a nucleoid, whereas a ______ cell has a nucleus (sometimes separated into a macronucleus and micronucleus).
bacterial (prokaryotic), eukaryotic
eukaryotic,bacterial (prokaryotic)
How do viruses and bacteria differ in terms of how they cause disease?
Viruses either integrate their DNA (lysogenic cycle) or destroy (lysis) host cells. Bacteria produce natural byproducts such as toxins, enzymes, gas and acid.
Bacteria either integrate their DNA (lysogenic cycle) or destroy (lysis) host cells. Viruses produce natural byproducts such as toxins, enzymes, gas and acid.
They cause disease in the same way.
Bacteria kill human cells, but viruses just live nearby them.
______ is the resistance to the spread of a contagious disease within a population that results when a sufficiently high proportion of individuals are immune to the disease.
Herd imunity
The Immune System
Lymphocytes
The Krebs Cycle
Use the free body diagram to answer the following question. What is happening to the box?
It is being pulled across a table.
It is sitting on the table and not moving.
It is suspended in the air not moving.
Someone is pulling it but it's not moving across the table.
Use the free body diagram to answer the following question. What is happening to the box?
It is being pulled across a table.
It is sitting on the table and not moving.
It is suspended in the air not moving.
Someone is pulling it but it's not moving across the table.
Graph #1 depicts gravitational force and ________, whereas graph #2 depicts gravitaitonal force and __________.
mass, distance
distance, mass
mass, magnitude
magnitude, distance
A balanced chemical equation has:
an equal number of each elements on both reactant and product side
an equal number of atoms on both reactant and product side
the same chemicals on both sides
the same molecules on both sides with no bonds broken from reactant to product
The picture shows that there are ___ C atoms and ___ O atoms
10, 5
5, 10
5, 5
5, 2
During a phase change, _____ stays the same because thermal energy stays the same.
potential energy
force
temperature
the phase
A Bohr Model depicts how many ____ an atom has.
total electrons
valence electrons
protons
neutrons
To draw a _____, figure out how many valence electrons an atom has by which column it's in. The first shell can only have ___ electrons, and subsequent shells can have a maximum of __ electrons.
Bohr, 2, 8
Bohr, 8, 2
Bohr, 8, 10
Bohr, 10, 8
How many valence electrons do the following atoms have? Carbon (C), Boron (B), Magnesium (Mg)
4, 3, 2
2, 3, 4
1, 2, 3
13, 14, 1
Besides the first shell, the most electrons possible in a valence shell is
2
8
10
12
Which of the following elements does this Bohr model depict?
Magnesium (1 valence electron)
Chlorine (7 valence electron)
Oxygen (8 valence electrons)
Hydrogen (1 valence electron)
To the left of the staircase is _____, and to the right is _____.
Metals, nonmetals
Nonmetals, metals
Metalloids, transition metals
Metals, Metalloids
An ionic bond is _________, whereas a covalent bond is _______-.
nonmetal and metal, 2 nonmetals
nonmetal and metal, metal and nonmetal
2 metals, 2 nonmetals
2 metals, nonmetal and metal
When either q1 and/or q2 is multiplied by a number, electrostatic force _________.
is multiplied by the same amount
is divided by the same amount
is divided by the same amount squared
is multiplied by the same amount squared
When distance is multiplied by a number, electrostatic force _________.
is multiplied by the same amount
is divided by the same amount
is divided by the same amount squared
is multiplied by the same amount squared
There's an electrostatic force of 20 N.
q1 is quadrupled (x4)
q2 is tripled
distance is 5x longer.
What's the new electrostatic force?
20 x 4 x 3 ÷52 = 9.6 N
20 ÷ 4 ÷ 3 x 52 = 41.6 N
20 ÷ 4 x 3 x 52 = 92 N
In food webs, an ____ shows the direction of energy flow. If grass is eaten by a rabbit, the ___/energy should flow from____.
arrow, arrow, grass to rabbit
line, line, grass to rabbit
arrow, arrow, rabbit to grass
line, line, rabbit to grass
Durgovitis infects the nucleus. What is a symptom that may be present when infected with this disease?
Inability to create more cells and heal wounds
Difficulty breathing and swallowing
Skin rash and irritation
Weakness and fatigue
When infected with a pathogen our bodies immune system creates ______ to target and kill the pathogen. If the immune system isn't working or is weak then _____.
antibodies, the pathogen will take over and the organism will die
antibodies, you can always just take an antibiotic and it will fight it off for you.
antigens, the pathogen will take over and the organism will die
antigens, you can always just take an antibiotic and it will fight it off for you.
