Worksheets7th Science NCFE Review
Total questions: 40
Worksheet time: 24mins
Name
Class
Date
1.
What organelle does this cell have that a prokaryotic cell does not?
a)
Chromatin
b)
Cell Membrane
c)
Ribosomes
d)
Nucleus
2.
Which of the following best describes this protist?
a)
Autotrophic, reproduces asexually, moves by pseudopods
b)
Heterotrophic, reproduces asexual, moves by pseudopods
c)
Heterotrophic, reproduces asexually, moves by cilia
d)
Autotrophic, reproduces sexually, moves by flagella
3.
Which of the following best describes the offspring?
a)
Homozygous
b)
Purebred
c)
Yellow
d)
None of the choices are correct
4.
What is the correct order of how the body is organized?
a)
Cell, Tissues, Organ, Organ System
b)
Tissues, Organ, Organ System, Cell
c)
Organ, Organ System, Cell, Tissue
d)
Organ System, Cell, Tissue, Organ
5.
What is the job of this organ system?
a)
To produce egg cells
b)
To remove solid waste from the blood
c)
To remove liquid waste from the blood
d)
To produce the female sex hormone Estrogen
6.
The process by which an organisms internal environment is kept stable despite changes to their external environment.
a)
Heterozygous
b)
Homozygous
c)
Homeostasis
d)
Hybrid
7.
What is distance divided by time in any direction?
a)
Speed
b)
Velocity
c)
Acceleration
d)
Work
8.
What direction is the object moving.
a)
It is moving 2N up
b)
It is not moving at all because it is a balanced force
c)
It is moving 5N to the right
d)
It is moving 3N down and to the left
9.
What kind of energy best describes point C?
a)
Increasing potential and decreasing kinetic
b)
Increasing kinetic and decreasing potential
c)
decreasing potential only
d)
Increasing Kinetic only
10.
Finish the statement, "Energy is neither created or destroyed it _________.
a)
merely changes it form
b)
makes nuclear energy
c)
accelerates
d)
becomes kinetic energy.
11.
What kind of energy comes from heat?
a)
Light
b)
Green
c)
Mechanical
d)
Thermal
12.
What is the main gas of the atmosphere?
a)
Nitrogen
b)
Oxygen
c)
Hydrogen
d)
Krypton
13.
How are the layers of the atmosphere classified/separated?
a)
Elevation
b)
Altitude
c)
Temperature
d)
Air Pressure
14.
Which layer of the atmosphere is where weather occurs?
a)
Troposphere
b)
Stratosphere
c)
Mesosphere
d)
Thermosphere
15.
What concept does this picture show?
a)
As elevation increases air pressure decreases
b)
As altitude decreases air pressure increases
c)
Both statements are correct
16.
What type of heat transfer is shown in the picture?
a)
Conduction
b)
Convection
c)
Radiation
17.
What term best describes why the thrown ball does not travel in a straight line?
a)
Doldrums
b)
Coriolis Effect
c)
Trade Winds
d)
Local Winds
18.
What part of the water cycle is not shown in this picture?
a)
Transpiration
b)
Surface Runoff
c)
Precipitation
d)
Condensation
19.
What are the characteristics of the air mass at letter E?
a)
Cold and Dry
b)
Cold and Humid
c)
Warm and Dry
d)
Warm and Humid
20.
According to the graph, what is the primary pollutant in the USA?
a)
Particulate Matter
b)
Carbon Monoxide
c)
Nitrogen Oxide
d)
Volatile Organic Compounds
21.
Which of these must be absorbed by animal cells in order to grow?
a)
sunlight
b)
nutrients
c)
genes
d)
chromosomes
22.
While running, leg muscles work to move leg bones, and the skin helps to
a)
regulate body temperature
b)
sense small changes in the heart rate
c)
transport nutrients to muscles
d)
maintain oxygen levels in the blood.
23.
Which system is most responsible for transporting blood throughout the body?
a)
skeletal
b)
excretory
c)
digestive
d)
circulatory
24.
Peristalsis helps move nutrients through parts of the body by using wavelike contractions. In which system is the function used?
a)
circulatory
b)
digestive
c)
endocrine
d)
nervous
25.
Students run laps around the track in physical education class. After a few laps, the students’ breathing gets heavier, and their pace begins to slow. The students are most likely slowing down because
a)
they are exhaling carbon dioxide.
b)
they are getting less oxygen to their cells.
c)
their lung cells are multiplying.
d)
their respiratory system stops functioning
26.
How can simple machines make work easier?
a)
by decreasing the force needed to complete the task
b)
by increasing the friction between the machine and the object
c)
by adding more work on the object than originally applied
d)
by removing the force of gravity on the object
27.
Why does the troposphere experience the greatest amount of atmospheric pressure compared to the other atmospheric layers?
a)
It produces the ozone layer
b)
It has the highest temperatures
c)
It contains a high concentration of gas particles
d)
It is the region in which weather occurs
28.
Which explains why most of the rain that falls comes from the ocean?
a)
The majority of evaporation takes place over the ocean
b)
The majority of precipitation takes place over the ocean
c)
Most rivers deposit freshwater into the ocean
d)
Most clouds form near or over the ocean
29.
Barometric pressure has been dropping all day. What weather conditions will most likely occur?
a)
sunny weather
b)
stormy weather
c)
calm weather
d)
hot weather
30.
A sea breeze blows from the ocean toward the shore. Why does this occur?
a)
High pressure over the land causes a downdraft to occur
b)
The tide carries the wind to the shore as it moves back and forth
c)
Conduction of heat from the warm water produces wind from the ocean
d)
Air over the land heats faster than air over water, which causes convection
31.
Which two organisms contain chloroplasts and eyespots?
a)
amoeba and paramecium
b)
paramecium and volvox
c)
volvox and euglena
d)
euglena and amoeba
32.
How do a paramecium and an amoeba obtain food to live?
a)
A paramecium and an amoeba both use contractile vacuoles to capture food
b)
A paramecium and an amoeba both make their own food through photosynthesis
c)
A paramecium collects food into an oral groove, while an amoeba uses pseudopods to surround food.
d)
A paramecium uses pseudopods to capture food, while an amoeba uses chloroplast to make its food
33.
Tina observed a cell under a microscope. She concluded that it was a plant cell instead of an animal cell. Which structure helped her to come to this conclusion?
a)
She saw a vacuole, which animal cells lack
b)
She saw a nucleus, which animal cells lack
c)
She saw a chloroplast which animal cells lack
d)
She saw a cell membrane, which animal cells lack
34.
Which is a function of the respiratory system?
a)
to provide the body with carbon dioxide, which reacts with food to produce energy
b)
to provide the body with oxygen, which reacts with food to produce energy
c)
to provide the cells with glucose, which is used as a source of energy
d)
to provide the cells with water, which is used as a source of energy
35.
Why would the offspring resulting from fertilization have more differences than the offspring resulting from budding
a)
Two parents provide all of their genes to their offspring during budding, unlike during fertilization
b)
Each parent provides half of its genes to its offspring during budding, unlike during fertilization
c)
Two parents provide all of their genes to their offspring during fertilization, unlike during budding
d)
Each parent provides half of its genes to its offspring during fertilization, unlike during budding
36.
Sally ran a distance of 8 m in 16 s. Which best describes her motion?
a)
Her speed was constantly changing
b)
Her speed remained constant
c)
She stopped moving after four seconds
d)
She decreased her speed after four seconds
37.
Freckles (F) are dominant. The diagram shows a cross of a homozygous dominant parent (FF) with a parent of an unknown genotype. What is the unknown genotype and phenotype for the parent, if all of the children are heterozygous?
a)
Homozygous dominant with freckles
b)
Homozygous recessive without freckles
c)
Heterozygous with freckles
d)
Heterozygous without freckles
38.
Freckles (F) are dominant to not having freckles (f). The diagram shows the cross of a homozygous dominant parent (FF) with a parent of an unknown genotype for freckles. What is the unknown genotype and phenotype for the parent?
a)
homozygous dominant with freckles
b)
homozygous recessive without freckles
c)
heterozygous with freckles
d)
heterozygous without freckles
39.
How are tissues and organs related?
a)
Groups of tissues form cells, which work together to make up a single organ.
b)
Groups of organs form cells, which work together to make up a single tissue.
c)
Groups of tissues work together to make up a single organ.
d)
Groups of organs work together to make up a single tissue.
40.
How do forces act on a dropped object as it is falling?
a)
Air resistance is pushing up on the object, while gravity is pulling it down.
b)
Air resistance is pulling down on the object, while gravity is pushing it up.
c)
Both gravity and air resistance are pulling down on the object.
d)
Both gravity and air resistance are pushing up on the object.
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