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WorksheetsBiology Quiz
Total questions: 20
Worksheet time: 23mins
What is the main function of the cell membrane?
Regulate the movement of substances
Maintain cell shape
Produce energy for the cell
Store genetic information
Which organelle is known as the powerhouse of the cell?
nucleus
mitochondria
chloroplast
lysosome
What is the primary function of starch in plants?
protection against predators
storage of glucose
transportation of nutrients
production of oxygen
What are triglycerides composed of?
glycerol and three amino acids
glucose and three fatty acids
glycerol and three fatty acids
cholesterol and three fatty acids
What is the structure of the cell membrane?
Cholesterol bilayer with embedded carbohydrates
Protein bilayer with embedded lipids
Single layer of phospholipids
Phospholipid bilayer with embedded proteins and other molecules
What is the function of mitochondria in cells?
Producing energy
Regulating cell division
Storing genetic information
Synthesizing proteins
What is the main source of energy for the human body?
carbohydrates
fats
proteins
vitamins
What is the role of lipids in the body?
Lipids have no role in the body
Lipids are only found in the skin
Lipids serve as a source of energy, insulate and protect organs, aid in vitamin absorption, and form cell membranes.
Lipids are responsible for muscle contraction
What is the function of the cell membrane in maintaining cell homeostasis?
The function of the cell membrane in maintaining cell homeostasis is to regulate the movement of substances in and out of the cell.
The function of the cell membrane in maintaining cell homeostasis is to store genetic information.
The function of the cell membrane in maintaining cell homeostasis is to produce energy for the cell.
The function of the cell membrane in maintaining cell homeostasis is to provide structural support to the cell.
What is the function of the mitochondria in cellular respiration?
Produce oxygen
Store DNA
Produce glucose
Produce ATP
What is the difference between starch and cellulose?
Starch is a storage form of glucose in plants, while cellulose is a structural component of plant cell walls.
Starch and cellulose are both storage forms of glucose in plants.
Starch is found in animal cells, while cellulose is found in plant cells.
Starch is a storage form of fructose in plants, while cellulose is a structural component of plant cell walls.
What are the three types of lipids?
fats, oils, and waxes
amino acids, nucleotides, and enzymes
sugars, starches, and cellulose
carbohydrates, proteins, and vitamins
What is the function of proteins in the body?
Proteins have no function in the body.
Proteins are only involved in muscle building in the body.
Proteins only function as energy sources in the body.
Proteins have many functions in the body.
What is the role of the cell membrane in cell communication?
The cell membrane acts as a barrier and prevents cell communication.
The cell membrane is not involved in cell communication.
The cell membrane only allows the passage of nutrients and does not play a role in cell communication.
The cell membrane allows the passage of signaling molecules and contains receptors for cell communication.
What is the function of triglycerides in the body?
Hormone production
Energy storage
Cellular communication
Structural support
Describe how Carbohydrates and lipids are similar.
A ____ contains polar and nonpolar ends, forming the plasma membrane.
microtubule
transport protein
cytoskeleton
phospholipid bilayer
The semifluid environment inside the plasma membrane is called ____.
endoplasmic reticulum
microtubules
cytoplasm
mitochondria
What moves needed substances or waste materials through the plasma membrane?
transport proteins
polar heads
DNA
water molecules
The table below shows three foods, the large molecules they are made of, and the smaller molecules into which they digest. Some information is missing from the table, represented by the letters W, W, Y, and Z. Use the table to answer any questions that follow.
In the table, which letter should be replaced with "Protein"?
W
X
Y
Z
