Plant & Animal Cells
What is the function of the chloroplast of a plant cell?
A. It protects and supports the cell.
B. It packages and transports proteins.
C. It traps energy and uses it to make food.
D. It controls what enters and leaves the cell.
C. It traps energy and uses it to make food.
During a long run, Hudson's skeletal muscles signal to the rest of his body that they need extra oxygen. Which of the following organ systems will be able to meet this need MOST rapidly?
A. circulatory
B. digestive
C. excretory
D. immune
A. circulatory
Which of the following two domains are composed of only unicellular organisms?
A. Eukarya and Bacteria
B. Archaea and Bacteria
C. Archaea and Eukarya
D. Eubacteria and Archaea
B. Archaea and Bacteria
Why are cells called the basic units of life?
A. Cells have their own organs.
B. All cells can produce their own food.
C. Cells do the work that keeps all organisms alive.
D. Cells form tissues and organs in every living organism.
D. Cells form tissues and organs in every living organism.
A student prepared the following list of characteristics about a cellular organelle.
• Present in animal cells
• Present in plant cells
• Helps make energy available to the cell
Which of the following cellular structures is the student describing?
A. nucleus
B. cell wall
C. chloroplast
D. mitochondrion
D. mitochondrion
Your lungs are an important part of the respiratory system. They release water and toxic carbon dioxide when you exhale. What other body system works with the respiratory system to release this waste?
A. circulatory
B. digestive
C. excretory
D. reproductive
C. excretory
The three-domain system is a biological classification introduced by Carl Woese in 1990 that divides cellular life into Bacteria, Archaea, and Eukarya. Which of the following BEST describes the Eukarya classification?
A. are prokaryotic cells
B. unicellular organisms
C. has a membrane-enclosed nucleus
D. does not have complex internal organelles
C. has a membrane-enclosed nucleus
Which of these descriptions is a part of the cell theory?
A. Cells in our bodies are like small rooms called cells.
B. Cells spontaneously generate, unlike other materials on Earth.
C. All living things are made of similar units of structure called cells.
D. Every living thing is made of cells, and cells are chemically very different.
C. All living things are made of similar units of structure called cells.
How are the cell membrane and the cell wall similar?
A. They both store food and water.
B. They both control the activities of the cell.
C. They both use the energy of the sun to perform photosynthesis.
D. They both act as a boundary between the cell and its surroundings.
D. They both act as a boundary between the cell and its surroundings.
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?
A. taking in oxygen and transporting it to all the cells
B. moving nutrients and fighting infections in the body
C. removing wastes and excreting them out of the body
D. providing nutrients and transporting them to the cells
D. providing nutrients and transporting them to the cells
Which of the following correctly lists the major taxonomic levels in the Linnaean System from broadest to MOST specific?
A. Kingdom, Domain, Order, Species, Family
B. Domain, Class, Phylum, Genus, Kingdom, Species
C. Kingdom, Phylum, Class, Order, Family, Genus, Species
D. Species, Genus, Family, Order, Class, Phylum, Kingdom
C. Kingdom, Phylum, Class, Order, Family, Genus, Species
Over time many ideas concerning cells have been proven and incorporated into cell theory. Which of the following is NOT part of cell theory?
A. All living things are composed of one or more cells.
B. All functions can be carried out by cells.
C. All cells reproduce through meiosis.
D. All cells come from other cells.
C. All cells reproduce through meiosis.
How do the functions of the nucleus differ from those of the cell membrane?
A. The nucleus converts food energy, while the cell membrane stores minerals and waste.
B. The nucleus provides support, while the cell membrane converts carbon dioxide and water into food.
C. The nucleus controls the activities of the cell, while the cell membrane controls what enters and exits the cell.
D. The nucleus stores food and water, while the cell membrane stores chemicals used by the cell for photosynthesis.
C. The nucleus controls the activities of the cell, while the cell membrane controls what enters and exits the cell.
The brain, spinal cord, and nerves make up the central nervous system. What is the role of the nervous system in the body?
A. to protect organs and other tissues
B. to send messages using chemicals
C. to gather and respond to information
D. to transfer oxygen and carbon dioxide
C. to gather and respond to information
Why do scientists use binomial nomenclature when classifying organisms?
A. to show an organism’s place in the food chain
B. to identify where an organism was discovered
C. to describe what the organism eats and how it moves
D. to give each species a unique two-part scientific name understood worldwide
D. to give each species a unique two-part scientific name understood worldwide
Which example demonstrates that all cells come from pre-existing cells?
A. A caterpillar feeds on the leaves from an oak tree.
B. An oak tree grows from the seed material in an acorn.
C. Moisture drips from underneath an oak tree leaf in the morning.
D. Sediment from an area where oak trees were cut down builds up alongside a stream.
B. An oak tree grows from the seed material in an acorn.
Why are the vacuoles in plant cells different than the vacuoles found in animal cells?
A. Plants need more energy than animals do.
B. Plants need to store more food than animals do.
C. Plants need to produce proteins, while animals do not.
D. Plants need to move materials in and out of cells, while animals do not.
B. Plants need to store more food than animals do.
When Kristen was five, she became sick with chickenpox and then recovered. What prevents Kristen from getting chickenpox a second time?
A. liquids from the excretory system
B. dendrites from the nervous system
C. antibodies from the immune system
D. capillaries from the circulatory system
C. antibodies from the immune system
As organisms are classified from the broadest group (domain) to the most specific group (species), how does the number of shared characteristics between organisms typically change?
A. They share more characteristics.
B. They share fewer characteristics.
C. They share the same number of characteristics.
D. The number of shared characteristics does not change.
A. They share more characteristics.
If a piece of bread is left out in the air for several days, there is a good chance that mold will appear on the bread. Where does bread mold come from?
A. Mold is produced by itself when the conditions are right.
B. Mold can grow from any type of cell that touches the bread.
C. Mold already exists in the bread, and it expands when it is exposed to air.
D. Mold grows from cells contained in mold spores, which are carried in the air.
D. Mold grows from cells contained in mold spores, which are carried in the air.