WorksheetsMid-Year review.
Total questions: 96
Worksheet time: 2hrs 40mins
* it has to be lighter than the hydrogen bonds
What is the main difference between prokaryotic and eukaryotic cells?
Prokaryotic cells have a nucleus and Eukaryotic cells do not
Prokaryotic cells are unicellular and Eukaryotic cells are multicellular.
Prokaryotic cells do not have a nucleus, Eukaryotic cells do have a nucleus.
Prokaryotic cells are plant cells and Eukaryotic cells are animal cells.
The main function of chloroplasts is:
To control what enters and leaves the cell.
To break down food to release energy for the cell.
To control all activities of the cell.
To produce food for the cell using the sun's energy.
Which types of organisms are Prokaryotes?
Animals
Plants
Fungi
Bacteria
This is referred to as the energy currency of the cell
ADP
ATP
Mitochondria
Nucleus
The efficiency of energy transfer from a lower trophic level to the next highest level is roughly
1%
10%
100%
1000%
The arrows in a food chain or web represents what?
They point to the organism that is being eaten.
It shows how sunlight flows within an ecosystem.
They show what direction the energy is flowing between organisms.
They represent how water is transferred within a habitat.
High blood viscosity means
There is a high concentration of blood cells and solutes
The blood is more thick and the heart has to pump harder
Blood pressure goes up
All are correct
Atherosclerosis is caused by
a buildup of fat in the arteries
a buildup of protein in the arteries
a buildup of calcium in the arteries
a buildup of sodium in the arteries
Which of these molecules stores the most energy?
NADH
NAD+
ADP
ATP
Which of the following organisms are LEAST closely related?
organisms that share a domain
organisms that share a family
organisms that share a genus
organisms that share a species
Cells that do not have a true nucleus are called....
eukaryote
prokaryote
unicellular
multicellular
Cells that have a true nucleus are called....
eukaryotes
prokaryotes
unicellular
multicellular
Cells that have a true nucleus are called....
eukaryotes
prokaryotes
unicellular
multicellular
Should experiments be repeated over and over to see if the results are the same each time?
yes
no
Under a microscope, a student observes a specimen containing a cell wall, nucleus, and chloroplasts. Which of the following could the specimen being observed belong to?
oak tree leaf
human
bacteria
cat hair
Which of the following does a bacteria cell NOT have in common with a plant cell?
cytoplasm
cell membrane
genetic material (DNA)
nucleus
What is the purpose of an enzyme?
give permission for the reaction
raise activation energy
speed up reactions
control how many reactions occur
What are the reactants (what's needed) for photosynthesis?
glucose and oxygen
light, water, and carbon dioxide
What is the purpose of photosynthesis?
make glucose
make ATP
make light
release carbon dioxide
What type of organism uses photosynthesis?
plants
bacteria
animals
both plants and bacteria
What is the gas we breath out that plants use for photosynthesis?
sulfur
carbon dioxide
oxygen
hydrogen
Unlike active immunity, passive immunity causes
long term resistance to disease
short and long term resistance to disease
no resistance to disease
short term resistance to disease
What might happen if you remove a primary consumer from the ecosystem?
There would be more food for secondary consumers.
The number of primary consumers would increase.
The number of plants would increase.
The number of secondary consumers would increase.
What is one way that someone can get active acquired immunity?
genetic disposition
gamma globulin
antitoxins
having a disease
What are the results of high blood pressure?
Leaking Arteries
Heart attack or stroke
Lifestyle Diseases
Insomnia
What helps prevent High Blood Pressure?
Physical Excersise
Stress Management
All of the Above
Low Sodium Diets
A well-tested concept that explains a wide range of observations is called a(an):
hypothesis
experiment
cause and effect
scientific theory
What is another name for natural selection?
survival of the smartest
survival of the fastest
survival of the biggest
survival of the fittest
__________ immunity is when the bodies makes its own antibodies.
passive
active
cell mediated
false
____________ immunity occurs when an individual receives antibodies.
active
passive
false
cell mediated
A possible explanation to a problem that has not yet been tested.
data
theory
hypothesis
fact
Where does cellular respiration occur?
Nucleus
Mitochondria
Vacuole
Chloroplast
Which of the following is a risk factor of heart disease?
Working out for 30 minutes
Smoking
Playing video games
Drinking fruit juice
Atherosclerosis can lead to heart disease. What is Atherosclerosis?
Blood clots
A weakening of heart muscles
A disease of the arteries that deposits plaques of fatty material on their inner walls
Structural problems
These limbs provide evidence of common ancestry because they—
Which structure is shown by A ?
Stigma
Style
Ovary
Petal
Which female structure contains the ovules (eggs) located below the style.
ovary
stigma
anther
Which structure is shown by E ?
Stigma
Style
Ovary
Petal
Which male structure produces POLLEN?
Anther
Filament
Which structure is shown by B ?
Stamen / Anther
Style
Ovary
Petal
The main products of cellular respiration are : select 3
Carbon Dioxide
Water
ATP- Energy
Oxygen
Which colors of lights are best absorbed by the CHLOROPLAST in photosynthesis.
greens and yellows
reds and blues
Photosynthesis takes place in the - ________ found in the leaf of a plant.
chloroplast
vacuole
cell wall
Cellular respiration occurs in the _____________ in both plant and animal cells.
mitochondria
cellular respiration
The GUARD CELL protects the SOMATA- if the STOMATA is closed the plant is trying to conserve-
water
oxygen
* can't be proven but there is evidence that supports it.
* can be change if new evidence is found.
* experimental results have to reviewed before approval.
* most energy is lost in the form of heat.
