Pennsylvania Biology Keystone Practice Test (Module 1)

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25 questions

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Select the best answer for each question.

Which organelle is responsible for producing energy in a eukaryotic cell?

Nucleus

Mitochondrion

Ribosome

Golgi apparatus

Which macromolecule is the main component of cell membranes?

Carbohydrates

Proteins

Lipids

Nucleic acids

In which process do plants convert light energy into chemical energy?

Cellular respiration

Photosynthesis

Fermentation

Transpiration

What is the role of DNA in cells?

Producing energy

Storing genetic information

Breaking down waste

Transporting proteins

Which characteristic is shared by all living organisms?

Ability to move

Composed of one or more cells

Require oxygen

Have a nervous system

Which of the following best describes the function of enzymes?

They store energy for later use

They speed up chemical reactions

They build cell membranes

They fight infections

If a cell is placed in a hypotonic solution, what will happen to the cell?

It will shrink. 

It will swell.

It will stay the same size.

It will indefinitely burst. 

Which structure regulates the movement of materials into and out of the cell?

Nucleus

Cell membrane

Cytoplasm

Mitochondrion

What is the main purpose of cellular respiration?

To store genetic information

To produce ATP for cellular activities

To convert sunlight into energy

To create new cells

How do prokaryotic and eukaryotic cells differ?

Only prokaryotic cells have a nucleus

Only eukaryotic cells have DNA

Only prokaryotic cells use energy

Only eukaryotic cells have a nucleus

Which process allows water molecules to move across a selectively permeable membrane?

Diffusion

Osmosis

Active transport

Endocytosis

What is the basic unit of life?

Atom

Molecule

Cell

Organ

You are sick and develop a fever. Your body starts to sweat. This is an example of

Metabolism

Homeostasis

Evolution

Photosynthesis

What type of transport requires energy to move molecules across a membrane?

Passive transport

Facilitated diffusion

Active transport

Osmosis

What is the primary function of chloroplasts?

Cellular respiration

Photosynthesis

Protein synthesis

Waste removal

Which macromolecule stores genetic information?

Proteins

Lipids

Carbohydrates

Nucleic acids

What is the process by which cells release energy in the absence of oxygen?

Photosynthesis

Aerobic respiration

Fermentation

Diffusion

What is the function of the cytoskeleton in a cell?

Produces ATP

Provides structural support

Stores genetic material

Packages proteins

Which of the following is a difference between plant and animal cells?

Plant cells have lysosomes

Animal cells have chloroplasts

Plant cells have cell walls

Animal cells have a large central vacuole

Which process describes the movement of molecules from high to low concentration?

Active transport

Diffusion

Endocytosis

Exocytosis

What is the primary function of the mitochondria?

Protein synthesis

Energy production

Waste removal

Structural support

Which type of macromolecule is an enzyme?

Lipid

Protein

Carbohydrate

Nucleic acid

A student claims: Carbohydrates are complex compounds made of monosaccharides that function as data-storage molecules.

Which statement best explains whether the student’s claim is correct?

The student’s claim is correct because carbohydrates form DNA.

The student’s claim is correct because all complex molecules store data

The student’s claim is incorrect because carbohydrates are simple compounds, not complex ones.

The student’s claim is incorrect because nucleic acids, not carbohydrates, are the datastorage molecules

Which process converts glucose into ATP in the presence of oxygen?

Photosynthesis

Cellular respiration

Fermentation

Diffusion

Which organelle is involved in the digestion and breakdown of cellular waste?

Lysosome

Ribosome

Nucleus

Chloroplast

Which organelle is responsible for producing energy in a eukaryotic cell?

Nucleus

Mitochondrion

Ribosome

Golgi apparatus

Which macromolecule is the main component of cell membranes?

Carbohydrates

Proteins

Lipids

Nucleic acids

In which process do plants convert light energy into chemical energy?

Cellular respiration

Photosynthesis

Fermentation

Transpiration

What is the role of DNA in cells?

Producing energy

Storing genetic information

Breaking down waste

Transporting proteins

Which characteristic is shared by all living organisms?

Ability to move

Composed of one or more cells

Require oxygen

Have a nervous system

Which of the following best describes the function of enzymes?

They store energy for later use

They speed up chemical reactions

They build cell membranes

They fight infections

If a cell is placed in a hypotonic solution, what will happen to the cell?

It will shrink. 

It will swell.

It will stay the same size.

It will indefinitely burst. 

Which structure regulates the movement of materials into and out of the cell?

Nucleus

Cell membrane

Cytoplasm

Mitochondrion

What is the main purpose of cellular respiration?

To store genetic information

To produce ATP for cellular activities

To convert sunlight into energy

To create new cells

How do prokaryotic and eukaryotic cells differ?

Only prokaryotic cells have a nucleus

Only eukaryotic cells have DNA

Only prokaryotic cells use energy

Only eukaryotic cells have a nucleus

Which process allows water molecules to move across a selectively permeable membrane?

Diffusion

Osmosis

Active transport

Endocytosis

What is the basic unit of life?

Atom

Molecule

Cell

Organ

You are sick and develop a fever. Your body starts to sweat. This is an example of 

Metabolism

Homeostasis

Evolution

Photosynthesis

What type of transport requires energy to move molecules across a membrane?

Passive transport

Facilitated diffusion

Active transport

Osmosis

What is the primary function of chloroplasts?

Cellular respiration

Photosynthesis

Protein synthesis

Waste removal

Which macromolecule stores genetic information?

Proteins

Lipids

Carbohydrates

Nucleic acids

What is the process by which cells release energy in the absence of oxygen?

Photosynthesis

Aerobic respiration

Fermentation

Diffusion

What is the function of the cytoskeleton in a cell?

Produces ATP

Provides structural support

Stores genetic material

Packages proteins

Which of the following is a difference between plant and animal cells?

Plant cells have lysosomes

Animal cells have chloroplasts

Plant cells have cell walls

Animal cells have a large central vacuole

Which process describes the movement of molecules from high to low concentration?

Active transport

Diffusion

Endocytosis

Exocytosis

What is the primary function of the mitochondria?

Protein synthesis

Energy production

Waste removal

Structural support

Which type of macromolecule is an enzyme?

Lipid

Protein

Carbohydrate

Nucleic acid

A student claims: Carbohydrates are complex compounds made of monosaccharides that function as data-storage molecules.
   
Which statement best explains whether the student’s claim is correct?

The student’s claim is correct because carbohydrates form DNA.

The student’s claim is correct because all complex molecules store data

The student’s claim is incorrect because carbohydrates are simple compounds, not complex ones.

The student’s claim is incorrect because nucleic acids, not carbohydrates, are the datastorage molecules

Which process converts glucose into ATP in the presence of oxygen?

Photosynthesis

Cellular respiration

Fermentation

Diffusion

Which organelle is involved in the digestion and breakdown of cellular waste?

Lysosome

Ribosome

Nucleus

Chloroplast

Pennsylvania Biology Keystone Practice Test (Module 1)

Pennsylvania Biology Keystone Practice Test (Module 1)

Which organelle is responsible for producing energy in a eukaryotic cell?

Which macromolecule is the main component of cell membranes?

In which process do plants convert light energy into chemical energy?

What is the role of DNA in cells?

Which characteristic is shared by all living organisms?

Which of the following best describes the function of enzymes?

If a cell is placed in a hypotonic solution, what will happen to the cell?

Which structure regulates the movement of materials into and out of the cell?

What is the main purpose of cellular respiration?

How do prokaryotic and eukaryotic cells differ?

Which process allows water molecules to move across a selectively permeable membrane?

What is the basic unit of life?

You are sick and develop a fever. Your body starts to sweat. This is an example of

What type of transport requires energy to move molecules across a membrane?

What is the primary function of chloroplasts?

Which macromolecule stores genetic information?

What is the process by which cells release energy in the absence of oxygen?

What is the function of the cytoskeleton in a cell?

Which of the following is a difference between plant and animal cells?

Which process describes the movement of molecules from high to low concentration?

What is the primary function of the mitochondria?

Which type of macromolecule is an enzyme?

A student claims: Carbohydrates are complex compounds made of monosaccharides that function as data-storage molecules. Which statement best explains whether the student’s claim is correct?

Which process converts glucose into ATP in the presence of oxygen?

Which organelle is involved in the digestion and breakdown of cellular waste?

A student claims: Carbohydrates are complex compounds made of monosaccharides that function as data-storage molecules.

Which statement best explains whether the student’s claim is correct?