Quiz about Unit 3 Cells Review

Question 1

Which statement best describes the relationship between cell structure and specialized function?

Accepted Answer

Cell structure varies depending on the cell's specific role

Answer

All cells have identical structures regardless of their function

Answer

Cell structure is only important in prokaryotic cells

Answer

Cell specialization occurs without structural modifications

Question 2

What would be the most direct impact of a significant decrease in mitochondria in a muscle cell?

Accepted Answer

Reduced energy production

Answer

Decreased protein synthesis

Answer

Increased ATP production

Answer

Enhanced cellular division

Question 3

How do lysosomes contribute to cellular homeostasis?

Accepted Answer

By breaking down cellular waste and foreign materials

Answer

By producing glucose through photosynthesis

Answer

By synthesizing proteins

Answer

By storing excess water

Question 4

Which cellular component is present in both prokaryotic and eukaryotic cells but differs in its organization?

Accepted Answer

Genetic material

Answer

Nuclear membrane

Answer

Golgi apparatus

Answer

Chloroplasts

Question 5

What distinguishes eukaryotic cells from prokaryotic cells?

Accepted Answer

The presence of membrane-bound organelles

Answer

The presence of proteins

Answer

The ability to perform cellular respiration

Answer

The presence of ribosomes

Question 6

What would be the immediate effect of Golgi apparatus dysfunction?

Accepted Answer

Improper protein packaging and secretion

Answer

Immediate cell death

Answer

Increased protein synthesis

Answer

Enhanced cellular respiration

Question 7

Which characteristic is unique to plant cells compared to animal cells?

Accepted Answer

Presence of cell wall

Answer

Presence of mitochondria

Answer

Presence of ribosomes

Answer

Presence of cell membrane

Question 8

What is the primary function of the folded inner membrane in mitochondria?

Accepted Answer

To increase surface area for ATP production

Answer

To store genetic material

Answer

To protect the mitochondria from damage

Answer

To facilitate protein transport

Question 9

How does the structure of the plasma membrane contribute to cellular homeostasis?

Accepted Answer

By allowing selective passage of materials

Answer

By preventing all substances from entering the cell

Answer

By producing energy for the cell

Answer

By storing excess nutrients

Question 10

What distinguishes prokaryotic DNA organization from eukaryotic DNA?

Accepted Answer

Presence of circular DNA without a nuclear membrane

Answer

Absence of genetic material

Answer

Linear DNA within a nuclear membrane

Answer

Multiple chromosomes in the cytoplasm

Question 11

which statement describes a cell membrane?

Accepted Answer

It selectively regulates the passage of substances into and out of the cell

Answer

It has the same permeability to all substances found inside or outside the cell

Answer

It is a double protein layer with floating lipid molecules

Answer

It is composed of proteins and carbohydrates only

Question 12

What role do ribosomes play in maintaining cellular function?

Accepted Answer

Protein synthesis

Answer

Energy production

Answer

Waste disposal

Answer

Cell division

Question 13

How does the endoplasmic reticulum network benefit the cell?

Accepted Answer

By providing a transport system within the cell

Answer

By producing energy

Answer

By breaking down waste

Answer

By storing genetic material

Question 14

Which organelle produces enzymes?

Accepted Answer

ribosomes

Answer

vacuoles

Answer

cell membrane

Answer

chromosomes

Question 15

Which feature best indicates a cell's high protein production capability?

Accepted Answer

Abundant ribosomes

Answer

Large vacuoles

Answer

Numerous chloroplasts

Answer

Multiple flagella

Question 16

Which of the following maintains homeostasis in a cell?

Accepted Answer

cell membrane

Answer

cell wall

Answer

chloroplast

Answer

centrioles

Question 17

Which organelle would be most abundant in actively photosynthesizing cells?

Accepted Answer

Chloroplasts

Answer

Mitochondria

Answer

Lysosomes

Answer

Ribosomes

Question 18

Which is true of prokaryotes?

Accepted Answer

They have circular DNA called plasmids

Answer

They have circular DNA called chromosomes

Answer

They have linear DNA called chromosomes

Answer

They have linear DNA called plasmids

Question 19

Which organelle is present in animal cells but not plant cells?

Accepted Answer

centrioles

Answer

Vacuoles

Answer

chloroplasts

Answer

cell wall

Question 20

What is this organism an example of? (select 2 answers)

Accepted Answer

Prokaryotic unicellular organism

Accepted Answer

Bacteria

Answer

Eukaryotic unicellular organism

Answer

Virus

Question 21

Bacteria are this type of cell

Accepted Answer

Prokaryotic

Answer

Eukaryotic

Question 22

Which of the following is NOT a similarity between prokaryotes and eukaryotes?

Accepted Answer

both have a nucleus

Answer

both have DNA

Answer

both have a cell membrane

Answer

both have cytoplasm

Question 23

This diagram represents an unicellular organism. Which type of organism is it and why?

Accepted Answer

Eukaryote because it has a nucleus

Answer

Prokaryote because it is unicellular

Answer

Prokaryote because it has no nucleus

Question 24

Which type of cells have a cell membrane?

Accepted Answer

all of them

Answer

plants

Answer

animals

Answer

bacteria

Question 25

Identify the type of cell.

Accepted Answer

prokaryotic

Answer

eukaryotic

Answer

plant

Answer

animal

Question 26

Students use a microscope to look for structures present in four different cells. The students placed an X for each structure that was viewed for each cell of the table shown.

Which cell that was viewed is most likely a prokaryote?

Accepted Answer

Cell X

Answer

Cell W

Answer

Cell Y

Answer

Cell Z

Question 27

This is a picture of:

Accepted Answer

Eukaryotic Cell

Answer

Prokaryotic Cell

Question 28

What is the main difference between Prokaryotic and Eukaryotic Cells?

Accepted Answer

Eukaryotic cells DO have a nucleus and Prokaryotic cells do NOT have a nucleus.

Answer

Eukaryotic cells do NOT have a nucleus and Prokaryotic cells DO have a nucleus.

Answer

Eukaryotic cells do NOT have membrane-bound organelles. Prokaryotic cells DO have membrane-bound organelles.

Answer

There is no difference between eukaryotic and prokaryotic cells.

Question 29

Which organelle is directly responsible for converting solar energy into chemical energy?

Accepted Answer

Chloroplast

Answer

<ul><li>Ribosome</li><li></li></ul>

Answer

Mitochondria

Answer

<ul><li>Vacuole</li></ul>

Question 30

Which part of the cell regulates what enters and leaves, helping the cell maintain homeostasis?

Accepted Answer

Cell membrane

Answer

<ul><li>Cytoplasm</li></ul>

Answer

<ul><li>Ribosome</li></ul>

Answer

<ul><li>Nucleus</li></ul>

Question 31

Which organelle contains enzymes that break down waste and worn-out cell parts?

Accepted Answer

<ul><li>Lysosome</li></ul>

Answer

Golgi apparatus

Answer

<ul><li>Nucleus</li></ul>

Answer

Mitochondria

Question 32

Which statement best describes prokaryotic cells?

Accepted Answer

They lack membrane-bound organelles.

Answer

They contain a nucleus with linear DNA.

Answer

They have mitochondria but no ribosomes

Answer

They are only found in multicellular organisms.

Question 33

Which of the following is true for BOTH plant and animal cells?

Accepted Answer

They both contain a nucleus.

Answer

They both have chloroplasts.

Answer

They both have a rigid cell wall.

Answer

They both lack mitochondria.

Question 34

Which structure is found in plant cells but NOT in animal cells?

Accepted Answer

Answer

<ul><li>Nucleus</li></ul>

Answer

<ul><li>Ribosome</li></ul>

Answer

Mitochondria

Question 35

Which type of human cell would likely contain the greatest number of mitochondria?

Accepted Answer

Muscle cell

Answer

Answer

Red blood cell

Answer

nerve cell

Question 36

The folded inner membranes of mitochondria provide:

Accepted Answer

Increased surface area for ATP production

Answer

A barrier for waste removal

Answer

Storage for glucose molecules

Answer

Space for ribosome assembly

Question 37

Which organelle packages and ships proteins in vesicles?

Accepted Answer

Golgi Apparatus

Answer

<ul><li>Ribosome</li></ul>

Answer

Endoplasmic Reticulum

Answer

<ul><li>Lysosome</li></ul>

Question 38

Which structure is present in all living cells?

Accepted Answer

Plasma membrane

Answer

Chloroplast

Answer

<ul><li>Nucleus</li></ul>

Answer

Mitochondria

Question 39

Which structure in plant cells helps maintain rigidity and structure?

Accepted Answer

Answer

Cell membrane

Answer

<ul><li>Cytoplasm</li></ul>

Answer

<ul><li>Lysosome</li></ul>

Question 40

Which organelle produces enzymes for digestion inside the cell?

Accepted Answer

<ul><li>Lysosome</li></ul>

Answer

<ul><li>Nucleus</li></ul>

Answer

<ul><li>Vacuole</li></ul>

Answer

<ul><li>Ribosome</li></ul>

Question 41

Which process occurs in both plant and animal mitochondria?

Accepted Answer

Cellular respiration

Answer

Photosynthesis

Answer

Protein synthesis

Answer

<ul><li>Osmosis</li></ul>

Question 42

Which organelle contains the genetic material of a eukaryotic cell?

Accepted Answer

<ul><li>Nucleus</li></ul>

Answer

<ul><li> Vacuole</li></ul>

Answer

<ul><li>Ribosome</li></ul>

Answer

<ul><li>Golgi body</li></ul>

Question 43

Which organelle is more abundant in muscle cells than in skin cells?

Accepted Answer

Mitochondria

Answer

<ul><li>Lysosomes</li></ul>

Answer

Chloroplasts

Answer

<ul><li>Vacuoles</li></ul>

Question 44

Which organelle is primarily responsible for producing glucose in plant cells?

Accepted Answer

Chloroplast

Answer

Mitochondria

Answer

<ul><li>Nucleus</li></ul>

Answer

<ul><li>Lysosome</li></ul>

Question 45

Which structure provides rigid support in plants, fungi, and some bacteria?

Accepted Answer

Answer

<ul><li>Cytoplasm</li></ul>

Answer

<ul><li>Ribosome</li></ul>

Answer

Cell membrane

Question 46

The main role of the cytoplasm in a cell is to:

Accepted Answer

Suspend and support organelles

Answer

Produce ATP

Answer

Store glucose

Answer

Direct protein synthesis

Question 47

Which organelle helps white blood cells digest bacteria?

Accepted Answer

<ul><li>Lysosome</li></ul>

Answer

<ul><li>Ribosome</li></ul>

Answer

Mitochondrion

Answer

Golgi apparatus

Question 48

A student observes a pond organism that has chloroplasts, an eyespot, and a whip-like flagellum. When light is unavailable, it consumes organic matter.

The flagellum helps the organism by:

Accepted Answer

Moving through water

Answer

Absorbing light

Answer

Digesting food

Answer

Storing glucose

Question 49

A student observes a pond organism that has chloroplasts, an eyespot, and a whip-like flagellum. When light is unavailable, it consumes organic matter.

The ability to perform both photosynthesis and consume food makes the organism:

Accepted Answer

Both autotrophic and heterotrophic

Answer

Autotrophic only

Answer

Heterotrophic only

Answer

Neither autotrophic nor heterotrophic

Question 50

A student observes a pond organism that has chloroplasts, an eyespot, and a whip-like flagellum. When light is unavailable, it consumes organic matter.

Which organelle would contain nucleotides in this organism?

Accepted Answer

Nucleus

Answer

<ul><li>Ribosome</li></ul>

Answer

Mitochondrion

Answer

<ul><li>Cytoplasm</li></ul>

Question 51

Which best compares the roles of the cell membrane and the cell wall?

Accepted Answer

The cell membrane regulates entry/exit, while the wall provides structure.

Answer

Both are selectively permeable barriers.

Answer

The cell wall is in all cells, while the membrane is only in animals.

Answer

Both are mainly used for photosynthesis.

Question 52

If a cell had very few lysosomes, what would happen?

Accepted Answer

It could not remove waste efficiently.

Answer

It would lose its shape.

Answer

It could not produce ATP.

Answer

It would not make proteins.

Question 53

Which statement BEST explains why plant cells have both chloroplasts and mitochondria?

Accepted Answer

Chloroplasts produce glucose, while mitochondria release energy from it.

Answer

Mitochondria make glucose, and chloroplasts break it down.

Answer

Chloroplasts store oxygen, and mitochondria use it.

Answer

Plant cells need extra organelles because they are multicellular.

Unit 3 Cells Review

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