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Worksheets7th Grade Science EOC Review
Total questions: 62
Worksheet time: 1hrs 2mins
Name
Class
Date
1.
What is the function of the nucleus within a cell?
a)
Containing a cell's DNA and acting as the cell's "brain"
b)
Manufacturing proteins
c)
Completing photosynthesis
d)
Storage space
2.
Which of the following is the best description of an organ system?
a)
The human heart and lungs
b)
A group of similar cells working together to complete a specific task
c)
The structure of an organ
d)
A group of organs working together to complete a specific task
3.
Which of the following statements is true for all living things (organisms)?
a)
All living things have organs
b)
All living things produce their own food through photosynthesis
c)
All living things are made of one or more cells
d)
All living things are made of more than one cell
4.
What is the most basic unit of life?
a)
Tissue
b)
Cell
c)
Organ
d)
Organ System
5.
Which of the following shows biological systems from least to most complex?
a)
Cells, tissue, organ, organ system
b)
Tissue, cells, organ, organ system
c)
Organ system, cells, organism, tissue
d)
Organ system, organ, tissue
6.
Where do plants receive the energy necessary to carry out photosynthesis?
a)
Heat from the sun
b)
Gamma radiation
c)
Light from the sun
d)
Wind
7.
What is produced during photosynthesis?
a)
Carbohydrates, proteins and fats
b)
Leaves
c)
Chloroplasts
d)
Lights
8.
Besides energy from the sun, what else does a plant require to complete photosynthesis?
a)
Wind energy
b)
Oxygen and carbon dioxide
c)
Oxygen and water
d)
Water and carbon dioxide
9.
What is the main advantage of asexual reproduction?
a)
Offspring are produced by two parents, making reproduction more difficult.
b)
Offspring contain genetic material from two parents.
c)
Offspring are produced by one parent, making reproduction easier.
d)
Offspring are only plants.
10.
What is the main difference between the offspring produced by sexual reproduction and asexual reproduction?
a)
Offspring produced sexually receive genetic material from one parent.
b)
Offspring produced by sexual reproduction receive genetic material from two parents.
c)
Offspring produced by sexual reproduction receive genetic material from two parents.
d)
Asexual and sexual reproduction are the same thing.
11.
These are the muscles which make up the heart
a)
smooth
b)
skeletal
c)
cardiac
d)
visceral
12.
Which of the following is NOT a part of your respiratory system?
a)
esophagus
b)
lungs
c)
bronchi
d)
trachea
13.
A group of tissues makes___________
a)
a cell
b)
an organ system
c)
an organism
d)
an organ
14.
What system carries nutrients and oxygen to your cells?
a)
digestive
b)
nervous
c)
circulatory
d)
excretory
15.
Gas exchange in the body occurs in which system?
a)
respiratory
b)
nervous
c)
immune
d)
muscular
16.
Which of the following IS a function of the integumentary system?
a)
maintaining body temperature
b)
filter toxins from the blood
c)
provides oxygen to blood cells
d)
remove solid waste
17.
This systems primary function is protection: protection against disease, protection against body temperature changes, protection against loss of fluids, and protection of fingertips and toes.
a)
excretory
b)
integumentary
c)
immune
d)
digestive
18.
Breaking down food, absorbing nutrients, and removing solid wastes are functions of what system?
a)
digestive
b)
immune
c)
circulatory
d)
muscular
19.
Hormones, or chemical messengers, are part of which system?
a)
nervous
b)
digestive
c)
endocrine
d)
integumentary
20.
What are the blood vessels that take the blood away from the heart?
a)
veins
b)
arteries
c)
alveoli
d)
capillaries
21.
This systems functions are protection, structure, working with muscles for movement, storing calcium, and producing blood cells.
a)
skeletal
b)
muscular
c)
integumentary
d)
digestive
22.
The table above summarizes some of the structures and functions of the human body. What term should replace X in the table?
a)
muscles
b)
bones
c)
skin
d)
arteries
23.
What terms should replace Y in the table above?
a)
Protects the body from germs
b)
Allows the body to match the temperature of the environment
c)
Provides a way for carbon dioxide to leave the body
d)
Allows the body to move
24.
What happens to large molecules, such as carbohydrates, during digestion? During digestion, large molecules are ....
a)
absorbed, unchanged, into the bloodstream.
b)
broken down into smaller molecules
c)
joined together to make even larger molecules
d)
passed through the body without being absorbed
25.
The roots of a plant help to anchor the plant to the soil, and are also used for food storage and water extraction. Roots are made up of tissues, such as xylem, phloem, and pith. In which level of organization would the roots of a plant most likely be classified?
a)
cell
b)
organ system
c)
tissue
d)
organ
26.
What is System W ?
a)
circulatory
b)
digestive
c)
skeletal
d)
Endocrine
27.
Much of the world’s tropical rain forests have disappeared due to human activities. By the end of the 1990s, only about 5 percent of India’s original forests were still standing. Which of the following is NOT a potential effect of deforestation?
a)
Land degradation
b)
Desertification
c)
Increased oxygen in the atomsphere
d)
Decreased biodiversity
Decreased biodiversity
28.
What is an example of a third-order consumer's interdependence with a producer?
a)
A human ate a bear, that ate a fox, that consumed a field mouse, which ate a shrub.
b)
A bear ate a fox, that consumed a field mouse, which ate a shrub
c)
A fox consumed a field mouse, which ate a shrub
d)
A filed mouse ate a shrub.
29.
Which level is a food web has the most available energy?
a)
Secondary consumers
b)
Decomposers
c)
Producers
d)
Primary consumers
30.
If all of the mice died in this energy pyramid, which organisms would be affected?
a)
The snakes and the eagles
b)
All of the organisms would be affected in some way.
c)
Only the omnivores
d)
Only the eagle
31.
Identify the correct food chain that demonstrates the energy flow of this food web.
a)
Eagle < Bluebird < Plant
b)
Plant< Rabbit < Eagle
c)
Plant > Snail > Lizard > Eagle
d)
Eagle> Lizard>Caterpillar>Plant
32.
What is the relationship between producers and consumers
a)
Producers eat the wastes of consumers.
b)
Consumers eat producers.
c)
Consumers eat the wastes of producers
d)
Producers eat consumers
33.
Which one is NOT an example of a decomposer?
a)
mushroom
b)
leaves
c)
mold
d)
worm
34.
What is a producer?
a)
an organism that gets energy from eating other organisms
b)
an organisms that uses sunlight to make its own food
c)
an organism that gets energy from eating dead organisms, non-living material or waste
d)
an organism that uses chemical energy to make its own food
35.
What is an herbivore?
a)
an animal that gets energy from eating other animals
b)
an organism that gets energy from eating only plants
c)
an animal that gets energy by eating both plants and other animals
d)
an animal that eats only herbs
36.
An organism that gets energy from eating other organisms is a ______________.
a)
producer
b)
consumer
c)
decomposer
d)
prey
37.
A connection of food chains with many food energy paths in an ecosystem is a ____________.
a)
ecosystem
b)
food web
c)
environment
d)
population
38.
An animal that is hunted and eaten for food is a _____________.
a)
predator
b)
prey
c)
population
d)
carnivore
39.
What is the definition of phenotype?
a)
The physical expression of a trait
b)
The genetic combination of alleles
c)
A gene on the DNA strand
d)
Something that is always dominant
40.
What is the definition of genotype?
a)
The physical expression of a trait
b)
The genetic combination of alleles
c)
the genes on a DNA strand
d)
Something that is always recessive
41.
The letters that make up a genotype are called ______________.
a)
a DNA
b)
a Phenotype
c)
a trait
d)
an allele
42.
The X shape found in your cells, which is made up of strands of DNA is called ________________.
a)
an allele
b)
a gene
c)
a chromosome
d)
a phenotype
43.
Where, in the eukaryotic cell, is DNA located?
a)
ribosomes
b)
nucleus
c)
E.R.
d)
cytoplasm
44.
Which of the following will only show if two alleles are present?
a)
a dominant trait
b)
a recessive trait
c)
Both
d)
Neither of the above
45.
Which of the following genotypes would be considered heterozygous?
a)
BB
b)
gg
c)
Ff
d)
TT
46.
What is the percentage of offspring that have green pods?
a)
100%
b)
75%
c)
50%
d)
25%
47.
The clear, jelly-like material in a cell that supports and protects the cell’s organelles.
a)
Cytoplasm
b)
Cell Membrane
c)
Nucleus
d)
Mitochondria
48.
Controls the movement of materials in and out of the nucleus.
a)
Nuclear Membrane
b)
Cellular Membrane
c)
Cytoplasm
d)
Endoplasmic Reticulum
49.
The part of the cell that makes protein.
a)
Vacuoles
b)
Ribosomes
c)
Golgi Apparatus
d)
Cytoplasm
50.
Protects the cell from the outside environment. (Only Plants)
a)
Cell Membrane
b)
Chloroplasts
c)
Cell Wall
d)
Vacuoles
51.
Acts like a subway system, carrying protein through the cell.
a)
Golgi Apparatus
b)
Nuclear Membrane
c)
Ribosomes
d)
Endoplasmic Reticulum
52.
Packages proteins into vesicles and ships them out.
a)
Endoplasmic Reticulum
b)
Ribosomes
c)
Golgi Apparatus
d)
Nucleus
53.
This domain is characterized by ancient bacteria that can live in extreme environments, such as volcanoes.
a)
Archaea
b)
Bacteria
c)
Eukarya
d)
Prokarya
54.
This domain contains organisms that have a true nucleus in each of their cells. This domain breaks down into four kingdoms.
a)
Animalia
b)
Archaea
c)
Bacteria
d)
Eukarya
55.
The non living parts of an ecosystem
a)
abiotic factors
b)
biotic factors
c)
oxygen
d)
soil
56.
Biome with many scattered shrubs, tall grasses and small trees.
a)
Savannah
b)
Grassland
c)
Desert
d)
Taiga
57.
Biome with many different species of cacti and reptiles and very little rainfall.
a)
Desert
b)
Temperate Rainforest
c)
Tropical Rainforest
d)
Tundra
58.
Cold, dry biome where the soil stays frozen the entire year. Very little precipitation.
a)
savannah
b)
taiga
c)
tundra
d)
desert
59.
Northern biome with many coniferous trees; very cold temperatures in the winter months.
a)
Taiga
b)
tundra
c)
desert
d)
temperate rain forest
60.
Type of forest biome near the equator; receives a lot of rain; temperatures are warm all year.
a)
desert
b)
tropical rain forest
c)
arctic
d)
temperate rain forest
61.
Sam placed a bag over a plant to protect it from the cold weather. He noticed moisture on the inside of the bag when he awakened. What caused this moisture?
a)
precipitation
b)
evaporation
c)
transpiration
62.
These types of plants are able to grow taller because of the added support and faster nutrient transport of xylem and phloem.
a)
Seedless plants
b)
Vascular plants
c)
Seeded plants
d)
Nonvascular plants
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