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WorksheetsScience - Unit 3 Review
Total questions: 18
Worksheet time: 36mins
Plants contain many different cells. A leaf cell and a root cell are shown.
What difference between the leaf cell and root cell will most affect the plant?
age
function
mass
size
Which of these is not a benefit of microorganisms?
The release nutrients in soil.
They help make antibiotics.
They cause food to spoil.
They break down waste.
Which trait do cows and grass have in common?
They both make their own food.
They both are able to grow.
They both take in oxygen to survive.
They both get energy directly from the Sun.
Which of these can only be found in a plant cell?
a nucleus
a vacuole
a chloroplast
a mitochondrion
A list is shown below.
_______________________________
-Used to make cheese and yogurt
-used to help break down food for digestion
-used to make antibiotics
-used to clean up certain chemical spills
Which title is best for this list?
Jobs Performed by Animals Instead of People
Ways Fungi Are Dangerous to People
Benefits of Some Microbes for People
Types of Infections Bacteria Cause in People
Use the two drawings of cells to answer the question that follows.
Which of the following best describes the cells shown?
The cells are from the same organism.
One cell is from a plant and one from an animal.
The cells are from different types of animals.
The cells are from different types of plants.
The picture shows four different parts of the cattail plant.
The different parts of the plant are alike because each part...
is made from similar cells.
absorbs water for the plant.
is involved in photosynthesis.
has seeds that make new plants.
A student studied an animal cell under a microscope. The student made a drawing of the cell and labeled some of its parts.
Which label should the student write in place of the question mark?
Nucleolus
Ribosome
Cell wall
Cell membrane
Some different types of plants have characteristics in common. Which characteristic do most plants share?
the size of their roots
the shape of their leaves
the color of their flowers
the structure of their cells
What is the green pigment that allows plants to change the Sun's energy into chemical energy?
glucose
chlorophyll
mitochondria
photosynthesis
A cut to the skin is treated with antiseptic first to avoid
an immune response
a bacterial infection
bruising of tissues
an allergic reaction
Microorganisms can benefit people or harm people. Choose all the ways that they can benefit people (choose 3).
They release nutrients in soil.
They help make antibiotics.
They cause food to spoil.
They break down waste.
They cause diseases.
The shows a ladybug on the petal of a flower.
Both the ladybug and the flower...
have wings.
have antennae.
are made of cells.
are supported by stems.
Stewart studied the parts of a flowering plant.
How are all the parts of the plant similar to each other?
They all attract bees.
They are all made of cells.
They all make food for the plant.
They all give support to the plant.
Jonny climbed an apple tree. How are Jonny and the apple tree similar to each other?
Both are made of cells.
Both take in carbon dioxide.
Both get nutrients directly from soil.
Both get energy from other organisms.
Lateicia watches a goldfish swim inside a fish bowl.
How are the cells in the gills and the cells in the tail of the fish similar?
They can produce new cells.
They make food for the fish.
They release oxygen in the water.
They determine the color of the fish.
Charisma has a goldfish she keeps in a tank. She planted several underwater plants in the bottom of the tank. How are the goldfish and the plants in the tank similar?
Both add oxygen to the water.
Both perform photosynthesis.
Both are made up of cells.
Both eat food.
The human body has different types of muscle tissue made of protein. They way that protein is arranged determines what the muscle does. What does this most likely mean about the structure of the muscles?
Cells are limited to two types of muscle structures.
Similar cells can form different kinds of structures.
Different muscles perform the same function.
Muscle cells have one shape type.
