Cell Theory

Question 1

What is the cell theory?

Answer 1

The cell theory states that all living organisms are composed of cells, cells are the basic units of life, and all cells arise from pre-existing cells.

Question 2

True or False: Prokaryotic cells have a nucleus.

Answer 2

False

Question 3

Fill in the blank: The two main types of cells are __________ and __________.

Answer 3

prokaryotic, eukaryotic

Question 4

What is a key characteristic of prokaryotic cells?

Answer 4

Prokaryotic cells lack a membrane-bound nucleus.

Question 5

Which type of cell is generally larger, prokaryotic or eukaryotic?

Answer 5

Eukaryotic

Question 6

Multiple choice: Which of the following is a characteristic of eukaryotic cells? A) No membrane-bound organelles B) Membrane-bound organelles C) Always unicellular

Answer 6

B) Membrane-bound organelles

Question 7

What organelle is responsible for energy production in eukaryotic cells?

Answer 7

Mitochondria

Question 8

True or False: Bacteria are an example of eukaryotic cells.

Answer 8

False

Question 9

What structure surrounds the cell membrane in plant cells?

Answer 9

Cell wall

Question 10

Fill in the blank: Prokaryotic cells often have __________, which are hair-like structures that help with movement.

Answer 10

flagella

Question 11

Multiple choice: Which of the following is NOT found in prokaryotic cells? A) Ribosomes B) Nucleus C) Cell membrane

Answer 11

B) Nucleus

Question 12

Which type of cell can be multicellular?

Answer 12

Eukaryotic

Question 13

True or False: All eukaryotic cells contain chloroplasts.

Answer 13

False

Question 14

What is the function of the ribosome?

Answer 14

To synthesize proteins

Question 15

Fill in the blank: The __________ is the control center of the eukaryotic cell.

Answer 15

nucleus

Question 16

What type of genetic material do prokaryotic cells contain?

Answer 16

Circular DNA

Question 17

Multiple choice: Which of the following is a feature of eukaryotic cells? A) No organelles B) Membrane-bound nucleus C) No cytoplasm

Answer 17

B) Membrane-bound nucleus

Question 18

What is the primary component of the cell membrane?

Answer 18

Phospholipids

Question 19

True or False: Prokaryotic cells reproduce by mitosis.

Answer 19

False

Question 20

Fill in the blank: Eukaryotic cells reproduce through __________.

Answer 20

mitosis or meiosis

Question 21

What type of cell division do prokaryotic cells undergo?

Answer 21

Binary fission

Question 22

Multiple choice: Which of the following is TRUE about prokaryotic cells? A) They have membrane-bound organelles B) They are typically larger than eukaryotic cells C) They can be unicellular

Answer 22

C) They can be unicellular

Question 23

What is the role of the endoplasmic reticulum in eukaryotic cells?

Answer 23

To synthesize proteins and lipids

Question 24

True or False: Eukaryotic cells can have multiple nuclei.

Answer 24

True

Question 25

Fill in the blank: The __________ is responsible for packaging and distributing proteins in eukaryotic cells.

Answer 25

Golgi apparatus

Question 26

What is the function of lysosomes?

Answer 26

To digest waste materials and cellular debris

Question 27

Multiple choice: Which of the following structures is found in plant cells but not in animal cells? A) Cell membrane B) Chloroplasts C) Ribosomes

Answer 27

B) Chloroplasts

Question 28

What type of transport requires energy to move substances across the cell membrane?

Answer 28

Active transport

Question 29

True or False: All living organisms are made up of cells.

Answer 29

True

Question 30

Fill in the blank: The __________ is the semi-permeable barrier that controls what enters and exits the cell.

Answer 30

cell membrane

Question 31

What is the primary difference between prokaryotic and eukaryotic cells?

Answer 31

Prokaryotic cells lack a nucleus and membrane-bound organelles, while eukaryotic cells have both.

Question 32

Multiple choice: Which of the following is NOT a type of eukaryotic cell? A) Fungi B) Bacteria C) Animals

Answer 32

B) Bacteria

Question 33

What is the role of the cytoskeleton in eukaryotic cells?

Answer 33

To provide structure and support to the cell.

Question 34

True or False: The plasma membrane is the same as the cell membrane.

Answer 34

True