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Worksheets7th Grade Final Exam Review
Total questions: 63
Worksheet time: 1hrs 3mins
Name
Class
Date
1.
Which of the following is the correct organization of genetic material from smallest to largest?
a)
Genes, DNA, chromosomes, cell nucleus
b)
genes, chromosomes, DNA, cell nucleus
c)
cell nucleus, genes, DNA, chromosomes
d)
chromosomes, DNA, cell nucleus, genes
2.
Genetic information responsible for physical characteristics such as eye color, height, hair color, and skin color can be found within an organism's...
a)
ribosome
b)
golgi body
c)
nucleus
d)
cytoplasm
3.
Which water conservation technique is most important during the month of August?
a)
Water home foundations using a drip hose
b)
Install low-flow shower heads
c)
Water lawns during the early morning hours
d)
Take showers rather than baths
4.
The insulated feature of space suit layers are designed to...
a)
regulate temperature
b)
protect from radiation
c)
trap excessive CO2
d)
provide pure O2
5.
On a space mission, the gravitational environment can negatively affect the bone density of astronauts. Which accommodation will most likely protect the bone health of the crew on a space mission?
a)
Drinking extra fluids
b)
Eating more calories
c)
Wearing protective clothing while inside the space vehicle
d)
Engaging in a daily routine using exercise equipment
6.
What is the relationship between ecological succession and equilibrium in an ecosystem?
a)
Ecological succession helps maintain equilibrium in an ecosystem.
b)
Ecological succession prevents ecosystems from ever reaching equilibrium.
c)
There is no relationship between ecological succession and equilibrium.
d)
Ecological succession and equilibrium are the same thing.
7.
Wildebeests are cow-lie animals with horns. They migrate in herds across Africa in search of grasses they feed on. Wildebeests are prey for lions. A drought would MOST LIKELY cause a herd of wildebeests to..
a)
migrate farther than usual
b)
become more horse-like
c)
begin to prey on lions
d)
produce larger herds
8.
What caused the behavior of the plant in the diagram above?
a)
response to gravity
b)
negative homeostasis
c)
excessive humidity
d)
lack of turgor pressure
9.
Identify a situation below in which work is being done.
a)
Turning a page in a science book
b)
Reading a science book
c)
Resting a science book against the wall
d)
Holding a science book
10.
What kind of change results from the breakdown of starch into glucose?
a)
mechanical
b)
physical
c)
chemical
d)
cyclical
11.
When people run long distances, their muscles require increased amounts of oxygen. Which system is responsible for carrying this oxygen to the blood?
a)
nervous
b)
respiratory
c)
digestive
d)
circulatory
12.
Which function is performed primarily by the digestive system?
a)
exchange of gases between the blood and its environment
b)
removes wastes from the body
c)
breakdown of large molecules into smaller ones
d)
transports nutrients to the cells
13.
Corn is an organic compound. What are the main elements found in corn?
a)
carbon, sulfur, calcium
b)
carbon, magnesium, nitrogen
c)
carbon, nitrogen, sodium
d)
carbon, hydrogen, oxygen
14.
In one student's family, two of the children have curly hair, one child has wavy hair, and the fourth child has straight hair. Which of these processes is responsible for the variety of hair texture in this family?
a)
binary fission
b)
sexual reprodution
c)
asexual reproduction
d)
vegetative propagation
15.
Fruit and vegetable scraps can be put into compost bins. Water is also needed for composting to be effective. With frequent turning, the compost will turn into soil after about three months.
What is occurring in the compost bin?
What is occurring in the compost bin?
a)
Decaying causes the food to become cold.
b)
The amount of matter is doubled.
c)
Decomposers break down the organic matter.
d)
All the microbes in the food die.
16.
The integumentary system is composed of hair, skin, and nails. Its function is to protect the body from the external environment. Which animal cell organelle has a similar function?
a)
cell membrane
b)
nucleus
c)
mitochondria
d)
ribosome
17.
Do all organisms have an organ system?
a)
yes
b)
no
18.
The role of pioneer species in primary succession is to change a bare habitat into one that is suitable for other organisms. A species that is responsible for primary succession in an ecosystem is MOST likely to be able to...
a)
survive any predator
b)
migrate during the winter
c)
live at high altitudes
d)
carry out photosynthesis
19.
What kind of energy is necessary to initiate the process of photosynthesis?
a)
radiant
b)
heat
c)
electrical
d)
wind
20.
Temperate deciduous forests of the United States often have cold winters and hot, humid summers. How would mammals in this type of biome MOST likely respond to hot temperatures?
a)
fasting
b)
hibernating
c)
shivering
d)
sweating
21.
Many processes occur in the digestive system. Which process is best classified as a physical change?
a)
saliva converting the starch molecules in crackers into simple sugars.
b)
digestive enzymes breaking down proteins into smaller fragments
c)
bacteria converting lactose into simple sugars in the intestines
d)
teeth grinding an almond into smaller pieces in the mouth
22.
In 1838 botanist Matthias Schleiden determined that all plants are composed of cells. In 1839 anatomist Theodor Schwann proposed that all animals are composed of cells. In 1855 biologist Rudolph Virchow added to Schleiden's and Schwann's observations and proposed that all living things are composed of cells. Which statement is also part of Virchow's cell theory?
a)
all cells have a cell wall
b)
all cells arise from pre-existing cells
c)
all cells are capable of photosynthesis
d)
all cells develop into any other type of cell.
23.
True or False. In this Food Web Pyramid the consumers on each level only get about 10 percent of energy that the plants have stored.
a)
True
b)
False
24.
An organism that lives by breaking apart dead organic matter into simpler parts is...
a)
scavenger
b)
consumer
c)
decomposer
d)
carnivore
25.
A third-level consumer has to be which type?
a)
Carnivore.
b)
Decomposer.
c)
Producer.
d)
Herbivore.
26.
In the food web shown, the smaller bird would be considered....
a)
primary consumer
b)
secondary consumer
c)
tertiary consumer
d)
producer
27.
The shrew provides energy for the _______?
a)
cricket
b)
grasshopper
c)
frog
d)
snake
28.
The deer, grasshopper, and bird are all examples of which type of consumers on this food pyramid?
a)
decomposers
b)
omnivores
c)
carnivore
d)
herbivore
29.
Which system produces sperm and egg cells? In females, it also nourishes the fetus.
a)
reproductive
b)
endocrine
c)
nervous
d)
immune
30.
Which system sends chemical messages (hormones) that regulates growth, development, and metabolism?
a)
endocrine
b)
immune
c)
digestive
d)
circulatory
31.
Which system eliminates waste products and helps maintain homeostasis?
a)
excretory
b)
respiratory
c)
circulatory
d)
digestive
32.
What two systems work together to supply the body with oxygen?
a)
respiratory and muscular
b)
respiratory and circulatory
c)
circulatory and digestive
d)
muscular and digestive
33.
Cells need oxygen for
a)
diffusion
b)
cellular respiration
c)
photosynthesis
d)
osmosis
34.
largest organ in the body
a)
skin
b)
heart
c)
stomach
d)
trachea
35.
Which term does not belong?
a)
bronchi
b)
lungs
c)
trachea
d)
liver
36.
maintaining a stable internal environment
a)
diffusion
b)
osmosis
c)
cellular respiration
d)
homeostasis
37.
Cells work together to make the following.
a)
tissues
b)
organs
c)
organ systems
d)
organism
38.
Tissues work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
39.
Organs work together to make the following.
a)
cells
b)
organs
c)
organ systems
d)
organism
40.
This cell part is in ALL cells. It is the gel-like substance that provides cell shape.
a)
Chloroplasts
b)
Chromosomes
c)
Cytoplasm
d)
Mitochondria
41.
This structure controls what can enter and leave a cell.
a)
Nucleus
b)
Cytoplasm
c)
Cell Membrane
d)
Golgi Body
42.
These are passageways in the cell that carry proteins and other materials from one part of the cell to another.
a)
Golgi Body
b)
Endoplasmic Reticulum
c)
Ribosome
d)
Nucleolus
43.
A Vacuole is bigger in an Animal Cell.
a)
True
b)
False
44.
The cell wall is found only in _____ cells.
a)
animal
b)
plant
c)
dead
d)
animal and plant
45.
What does the mitochondria do?
a)
turns food into energy
b)
turns water into energy
c)
controls the other organelles
d)
store water
46.
What is the name of the genetic material that is inside the nucleus?
a)
ER
b)
ATP
c)
YOLO
d)
DNA
47.
What does the Digestive system do?
a)
send and receive messages throughout the body
b)
exchanges gasses between blood and the environment
c)
break down food and absorb nutrients
d)
filter the blood and get rid of toxins, wast and excess water
48.
What does the Respirtatory system do?
a)
send and receive messages throughout the body
b)
exchanges gasses between blood and the environment
c)
break down food and absorb nutrients
d)
filter the blood and get rid of toxins, wast and excess water
49.
All the members of one species that live within an area of an ecosystem is a?
a)
population
b)
community
c)
niche
50.
The different populations that interact with each other in the same area form?
a)
population
b)
community
c)
niche
51.
Based on the food web (shown above), what effect will a decrease in the population of foxes most likely have?
a)
A. The pine population will increase
b)
B. The kinglet population will increase
c)
C. The salamander population will decrease
d)
D. The decomposer population will decrease
52.
What is the difference between biotic and abiotic?
a)
Biotic are non-living things
b)
Abiotic are living organisms
c)
Biotic is life,
Abiotic is non-living
Abiotic is non-living
d)
Biotic is non-living,
Abiotic is living
Abiotic is living
53.
Sustainability refers to
a)
how many species are present in an ecosystem
b)
when a species goes extinct
c)
how long a species lives
d)
the ability to maintain ecological process over long periods of time.
54.
A drought has hit this grassland biome. How will this effect the rabbit population?
a)
The rabbits will increase in number.
b)
The rabbit population will stay the same.
c)
The rabbit population will decrease.
d)
The rabbit population will become extinct immediately.
55.
What is the order of succession shown in this figure?
a)
A, B, C, D
b)
B, A, D, C
c)
C, D, A, B
d)
D, A, B, C
56.
Which of the following is true in a climax community?
a)
the community will constantly evolve and change
b)
if one species dies, a new species will fulfill the same role
c)
They are stable for a long time, with the same species maintaining their population
d)
it goes through a major change called "climax" every few hundred years
57.
Weathering is the breaking down of rock into ___________.
a)
boulders
b)
mountains
c)
sediment
d)
ice
58.
The dropping off of sediments in a new place is called __________.
a)
departing
b)
deposition
c)
erosion
d)
weathering
59.
_________is the movement of sediment from one place to another.
a)
Erosion
b)
Weathering
c)
Deposition
d)
All of the above
60.
When wind, water, or ice deposit materials in a location, this is known as:
a)
Weathering
b)
Erosion
c)
Deposition
d)
Transportation
61.
Water getting into cracks, freezing, and breaking the rocks or pavement apart
a)
Weathering
b)
Erosion
c)
Deposition
62.
Which area of the coastline has most likely experienced the greatest effect of erosion from waves over hundreds of years?
a)
Area N
b)
Area P
c)
Area S
d)
Area T
63.
Which of the following refers to a soil's ability to retain water?
a)
Pliability
b)
Impermeability
c)
Permeability
d)
Porosity
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