Quiz about U 6 and 9 Human Body and Cells Test Review

Question 1

The diagram shows parts of the human body. These parts work together to help you digest the food you eat. Which term best describes the entire group of parts that are labeled?

Accepted Answer

organ system

Answer

cell

Answer

organ

Answer

tissue

Question 2

Eugene is studying the levels of structural organization of an animal's body. Which level would describe a dog's eye?

Accepted Answer

organ

Answer

tissue

Answer

organism

Answer

organ system

Question 3

Why are chloroplasts found in plant cells but not in animal cells?

Accepted Answer

Plant cells need to make food.

Answer

Plant cells need rigid support.

Answer

Plant cells need to maintain homeostasis.

Answer

Plant cells need to store food and water.

Question 4

Which of the following statements represents part of the cell theory?

Accepted Answer

All cells come from other cells.

Answer

All cells have nuclei.

Answer

All cells have a cell wall.

Answer

All organisms have many cells.

Question 5

Organ systems work together to meet the needs of the human body. How is the skeletal system related to the nervous system?

Accepted Answer

The skeleton protects the brain and spinal cord.

Answer

The skeletal system works as a part of the nervous system.

Answer

The brain and spinal cord hold the skeleton together.

Answer

The brain determines how the skeleton develops.

Question 6

The circulatory and digestive systems interact with each other to help maintain homeostasis in the human body. Which pair of actions describe how these two systems work together to maintain homeostasis?

Accepted Answer

providing nutrients and transporting them to the cells

Answer

taking in oxygen and transporting it to all the cells

Answer

moving nutrients and fighting infections in the body

Answer

removing wastes and excreting them out of the body

Question 7

Organ systems have different functions in the body, but they all work together to meet the needs of the body. The following illustration shows four body systems.

Which system controls the functions of the other three systems?

Accepted Answer

system 3

Answer

system 1

Answer

system 2

Answer

system 4

Question 8

A busy city is similar to a cell. Both a city and a cell are made up of many important parts that work together as a whole. What could you find in a city that has a similar function to the mitochondria in a cell?

Accepted Answer

a power plant

Answer

a water tower

Answer

a traffic signal

Answer

a street sweeper

Question 9

Mariella is studying a new type of organism that she has found. She observes that the cells of the organism have ribosomes, mitochondria, and lysosomes. She also observes that the cells do not have a cell wall. What type of organism is Mariella most likely to have found?

Accepted Answer

an animal

Answer

a plant

Answer

a fungus

Answer

a prokaryote

Question 10

Organs in the human body are composed of tissues and cells. What is the relationship between tissues and cells?

Accepted Answer

tissues are made from similar types of cell

Answer

tissues are made from different types of cells

Answer

cells are made from different types of tissues

Answer

cells are made from one type of tissue

Question 11

A scientist performs a medical study and reports that a specific amount of a new medicine cures a particular disease. Why should other scientists follow the same procedure to test the new medicine?

Accepted Answer

to verify that the medicine works

Answer

to show that a different medicine works better

Answer

to determine how much medicine is most effective

Answer

to learn whether the medicine cures other diseases

Question 12

Pedro examines a tissue sample under a high-powered microscope. He makes a sketch in his lab notebook of one of the cells he observes. His sketch is shown below. Which label should Pedro use for structure A?

Accepted Answer

nucleus

Answer

cytoskeleton

Answer

lysosome

Answer

mitochondrion

Question 13

Which two body systems make movement possible?

Accepted Answer

the skeletal and muscular systems

Answer

the nervous and endocrine systems

Answer

the lymphatic and immune systems

Answer

the cardiovascular and respiratory systems

Question 14

Which of the following is an example of an organ system?

Accepted Answer

a heart, arteries, and veins all working together

Answer

the living material that lines the inside of a cheek

Answer

a human bladder, which stores waste for removal

Answer

the top layer of cells on a plant leaf

Question 15

Which of the following choices includes two structures that are found in plant cells, but not in animal cells?

Accepted Answer

cell wall, large central vacuole

Answer

cell wall, nucleus

Answer

chloroplasts, ribosomes

Answer

lysosomes, mitochondria

Question 16

Which list correctly shows the three parts of cell theory?

Accepted Answer

1. The cell is the most basic unit of life.
2. Cells come from preexisting cells.
3. All organisms are composed of cells.

Answer

1. The organelle is the most basic unit of life.
2. Cells can instantly generate.
3. Some cells are larger than other cells.

Answer

1. Unicellular organisms are composed of cells.

2. Cells can make their own energy.

3. Organelles are inside of cells.

Answer

1. Tissues are made of organelles made of cells.
2. All cells divide asexually.
3. All organisms are composed of cells.

Question 17

Why are the vacuoles in plant cells different than the vacuoles found in animal cells?

Accepted Answer

Plants need to store more food than animals do.

Answer

Plants need more energy than animals do.

Answer

Plants need to produce proteins, while animals do not.

Answer

Plants need to move materials in and out of cells, while animals do not.

Question 18

Some organisms consist of one cell. Other organisms consist of multiple cells. Which of the following is true of cells in a multicellular organism?

Accepted Answer

Different types of cells have different functions.

Answer

Different types of cells have the same function.

Answer

Every cell has a different function.

Answer

All cells have the same function.

Question 19

Which conclusion is best supported by the data in the chart?

Accepted Answer

An increase in the amount of exercise will cause heart rate to increase.

Answer

The heart rate of the person exercising changed based on what foods they ate.

Answer

The age of a student determines how much their heart rate increases with exercise

Answer

The amount of sweat each student produced increased based on how far they ran around the track.

Question 20

How are the cell membrane and the cell wall similar?

Accepted Answer

They both provide support and protection for the cell.

Answer

They both store food and water.

Answer

They both control the activities of the cell.

Answer

They both use the energy of the sun to perform photosynthesis.

Question 21

The tongue is an example of an organ that assists in the process of digestion. Which of the following best describes the structural level of organs such as the tongue?

Accepted Answer

An organ is more complex than a cell, but less complex than an organism.

Answer

An organ is more complex than a molecule, but less complex than a cell.

Answer

An organ is more complex than an organ system, but less complex than an organism.

Answer

An organ is more complex than an organism, but less complex than an organ system.

Question 22

The human body is composed of multiple systems. Which systems work most closely together to carry oxygen to cells and to remove carbon dioxide waste?

Accepted Answer

circulatory system and respiratory system

Answer

nervous system and immune system

Answer

digestive system and immune system

Answer

skeletal system and muscular system

Question 23

Luci is learning about the parts of an animal cell. Her teacher showed the class a clay model of a cell to help explain its parts and the cell theory. Which characteristic of the model is most beneficial to help Luci's understanding?

Accepted Answer

It allows Luci to visualize a three-dimensional cell that is very small to the eyes in a larger scale.

Answer

It allows Luci to see something that is too large by making it a smaller scale.

Answer

It allows Luci to see the actual colors of the parts of the cell.

Answer

It allows Luci to see a cell at its actual size.

Question 24

Makenzee is not feeling well. He visits his doctor. The doctor gives Makenzee a prescription for antibiotics. What do you conclude about the cause of Makenzee's illness?

Accepted Answer

The doctor thinks Makenzee has a bacterial infection.

Answer

The doctor thinks Makenzee has a viral infection.

Answer

The doctor thinks a mutagen is the cause.

Answer

The doctor thinks Makenzee has an intestinal parasite.

Question 25

Yavier is working with plants in the laboratory. In his experiment, he takes seeds from one plant and puts them in soils of different acidity. He keeps them in the same location and provides 50 milliliters (mL) of water each day. He plans to observe how many seedlings sprout from the seeds. What is the independent variable in this experiment?

Accepted Answer

the acidity of the soil

Answer

the type of plant

Answer

the plant location

Answer

the amount of water

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