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WorksheetsCell Review
Total questions: 17
Worksheet time: 51mins
Serena knows that scientists use physical similarities to classify organisms. She studies the figures of four different organisms. Which two organisms should Serena conclude are most closely related?
1 and 2
1 and 3
2 and 3
2 and 4
Eukaryotic cells and prokaryotic cells have some parts in common. Which of the following pairs of parts would you find in both types of cells?
cytoplasm and nucleus
cell membrane and cytoplasm
DNA and membrane-bound organelles
cell membrane and membrane-bound organelles
Robert Hooke was the first person to describe cells. Which of the following instruments did he use to make his observations?
Cells use energy to carry out various cell processes. Which of the following molecules stores energy for the cell to use?
A.
ATP
DNA
water
chloroplast
In biology class, Zach observes cells. Each cell has a structure that separates the inside of the cell from the environment. Which structure is Zach observing?
nucleus
cytoskeleton
cell membrane
genetic material
Imagine a cell that has the shape of a cube with sides that are 3 cm long. Find the surface-area-to-volume ratio of this cell.
27 cm3
54 cm2
27 cm3 : 54 cm2
54 cm2 : 27 cm3
Jemin is making a poster to compare unicellular organisms with multicellular organisms. She writes the following statements on her poster. Which of the following statements is not true?
Unicellular organisms live longer.
Multicellular organisms are larger.
Unicellular organisms are made of just one cell.
Multicellular organisms have cells that work together.
Gerard listed four levels of structural organization within multicellular organisms. He listed them in order from the smallest structure to the largest structure. Which of the following lists is correct?
cells, tissues, organ systems, organs
cells, tissues, organs, organ systems
tissues, cells, organ systems, organs
tissues, cells, organs, organ systems
What is the function of a cell’s nucleus?
A.
B.
C.
D.
to hold DNA
to hold organelles
to hold cytoplasm
to hold the cell membrane
Kayla summarizes the cell theory to her class. She states that all organisms are made up of one or more cells. Which pair of statements correctly completes her summary?
All cells come from existing cells, and all cells have the same parts.
All cells are the same size, and the cell is the basic unit of all organisms.
The cell is the basic unit of all organisms, and all cells have the same parts.
The cell is the basic unit of all organisms, and all cells come from existing cells.
The following diagram shows the basic steps of photosynthesis. What label would you add to complete this illustration so that it shows all the substances involved in photosynthesis?
ATP
fat
protein
sugar
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?
a plant
a fungus
an animal
a prokaryote
Lilly is writing a report about nutrients. Which of the following is a true statement about nutrients that she could include in her report?
Some organisms do not need nutrients.
Lipids and carbohydrates are two types of nutrients.
Nutrients are cells in the bodies of animals but not plants.
Nutrients are chemical compounds that have no function in animals.
Tina looks in her science book at a diagram of a cellular organelle. Which organelle is Tina observing?
cytoskeleton
large central vacuole
mitochondrion
ribosome
Plant cells use photosynthesis to make food. Plant cells also use cellular respiration to get energy from the food they make. How is cellular respiration different from photosynthesis?
Photosynthesis produces ATP, and cellular respiration produces sugars.
Photosynthesis requires oxygen, and cellular respiration requires carbon dioxide.
Photosynthesis produces oxygen, and cellular respiration produces carbon dioxide.
Photosynthesis requires energy from food, and cellular respiration requires energy from the sun.
What are the two parts of a scientific name?
genus and species
phylum and class
domain and genus
domain and kingdom
Roger explains to his sister the importance of water in cell processes. He describes the chemical structure of water to her. Which of the following is a true statement about water?
Water is an element.
Water is a molecule because it contains carbon.
Water is a molecule because it is made up of two different elements.
Water is a molecule because it is made up of two or more atoms chemically combined.
