Eukaryotic Cells And Organelles

Question 1

What is the basic unit of life in eukaryotic organisms?

Answer 1

The eukaryotic cell.

Question 2

True or False: Eukaryotic cells have a defined nucleus.

Answer 2

True.

Question 3

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

Answer 3

nucleus.

Question 4

What organelle is responsible for energy production in eukaryotic cells?

Answer 4

Mitochondria.

Question 5

Which organelle is known as the ‘powerhouse of the cell’?

Answer 5

Mitochondria.

Question 6

What structure surrounds and protects the eukaryotic cell?

Answer 6

Cell membrane.

Question 7

Which organelle is involved in protein synthesis?

Answer 7

Ribosomes.

Question 8

True or False: Eukaryotic cells do not contain organelles.

Answer 8

False.

Question 9

What is the function of the endoplasmic reticulum?

Answer 9

Synthesis of proteins and lipids.

Question 10

What are the two types of endoplasmic reticulum?

Answer 10

Rough ER and Smooth ER.

Question 11

Fill in the blank: The __________ is responsible for packaging and transporting proteins.

Answer 11

Golgi apparatus.

Question 12

What organelle contains digestive enzymes to break down waste?

Answer 12

Lysosomes.

Question 13

True or False: Chloroplasts are found in all eukaryotic cells.

Answer 13

False.

Question 14

Which organelle is responsible for photosynthesis?

Answer 14

Chloroplasts.

Question 15

What is the function of the cytoskeleton?

Answer 15

Provides structural support and shape to the cell.

Question 16

Multiple Choice: Which of the following is NOT a component of the endomembrane system? a) Golgi apparatus b) Mitochondria c) Endoplasmic reticulum

Answer 16

b) Mitochondria.

Question 17

What is the primary component of the cell wall in plant cells?

Answer 17

Cellulose.

Question 18

Fill in the blank: The __________ is a network of protein filaments that helps the cell maintain its shape.

Answer 18

cytoskeleton.

Question 19

True or False: Eukaryotic cells can be unicellular or multicellular.

Answer 19

True.

Question 20

What structure is responsible for the movement of materials in and out of the cell?

Answer 20

Cell membrane.

Question 21

Which organelle is involved in lipid synthesis and detoxification?

Answer 21

Smooth endoplasmic reticulum.

Question 22

What type of eukaryotic cell lacks a cell wall?

Answer 22

Animal cell.

Question 23

Multiple Choice: Which organelle is NOT present in animal cells? a) Chloroplasts b) Nucleus c) Mitochondria

Answer 23

a) Chloroplasts.

Question 24

What is the role of peroxisomes in eukaryotic cells?

Answer 24

Break down fatty acids and detoxify harmful substances.

Question 25

Fill in the blank: The __________ is a double-membrane organelle that contains the genetic material.

Answer 25

nucleus.

Question 26

What is the function of the vacuole in plant cells?

Answer 26

Storage of substances and maintaining turgor pressure.

Question 27

True or False: Ribosomes can be found free-floating in the cytoplasm.

Answer 27

True.

Question 28

What is the primary function of the plasma membrane?

Answer 28

Regulates the movement of substances in and out of the cell.

Question 29

Which organelle is responsible for the synthesis of ATP?

Answer 29

Mitochondria.

Question 30

Fill in the blank: The __________ contains the cell’s genetic material.

Answer 30

nucleus.

Question 31

What is the difference between rough and smooth endoplasmic reticulum?

Answer 31

Rough ER has ribosomes on its surface; Smooth ER does not.

Question 32

Multiple Choice: Which of the following organelles is involved in modifying proteins? a) Ribosomes b) Golgi apparatus c) Nucleus

Answer 32

b) Golgi apparatus.

Question 33

What is the function of the nucleolus?

Answer 33

Produces ribosomal RNA (rRNA).