Cell Structure

Question 1

What is the basic unit of life?

Answer 1

Cell

Question 2

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

Answer 2

True

Question 3

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

Answer 3

nucleus

Question 4

What structure in the cell is responsible for producing energy?

Answer 4

Mitochondria

Question 5

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

Answer 5

Mitochondria

Question 6

What is the function of ribosomes?

Answer 6

Protein synthesis

Question 7

Multiple Choice: Which of the following is NOT a part of the cell theory? A) All living things are made of cells B) Cells are the basic unit of life C) Cells arise from spontaneous generation D) All cells come from pre-existing cells

Answer 7

C) Cells arise from spontaneous generation

Question 8

What is the jelly-like substance inside the cell called?

Answer 8

Cytoplasm

Question 9

True or False: The cell membrane is selectively permeable.

Answer 9

True

Question 10

What structure protects and gives shape to plant cells?

Answer 10

Cell wall

Question 11

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

Answer 11

Golgi apparatus

Question 12

What is the role of lysosomes in the cell?

Answer 12

Digestion and waste removal

Question 13

Multiple Choice: Which organelle is involved in lipid synthesis? A) Ribosome B) Smooth Endoplasmic Reticulum C) Nucleus D) Golgi apparatus

Answer 13

B) Smooth Endoplasmic Reticulum

Question 14

What is the primary function of the endoplasmic reticulum?

Answer 14

Synthesis of proteins and lipids

Question 15

True or False: Prokaryotic cells do not have a nucleus.

Answer 15

True

Question 16

What type of cell contains membrane-bound organelles?

Answer 16

Eukaryotic cells

Question 17

Fill in the blank: __________ are the structures that provide support and shape to the cell.

Answer 17

Cytoskeleton

Question 18

Which organelle is involved in detoxifying harmful substances?

Answer 18

Smooth Endoplasmic Reticulum

Question 19

What is the function of chloroplasts?

Answer 19

Photosynthesis

Question 20

Multiple Choice: Which of the following is a function of the cell membrane? A) Energy production B) Protein synthesis C) Selective permeability D) Photosynthesis

Answer 20

C) Selective permeability

Question 21

What is the role of the nucleolus within the nucleus?

Answer 21

Ribosome production

Question 22

True or False: Vacuoles are larger in plant cells than in animal cells.

Answer 22

True

Question 23

What is the primary role of the plasma membrane?

Answer 23

Regulating the movement of substances in and out of the cell

Question 24

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

Answer 24

cytoskeleton

Question 25

What is the function of peroxisomes?

Answer 25

Breakdown of fatty acids and detoxification

Question 26

Multiple Choice: Which organelle is responsible for the synthesis of ATP? A) Chloroplast B) Ribosome C) Mitochondria D) Golgi apparatus

Answer 26

C) Mitochondria

Question 27

What is the primary function of the cytoskeleton?

Answer 27

The primary function of the cytoskeleton is to provide structural support, shape, and organization to the cell.

Question 28

True or False: The cytoskeleton is made up of three main types of filaments.

Answer 28

True

Question 29

Fill in the blank: The three main types of filaments in the cytoskeleton are ________, ________, and ________.

Answer 29

microfilaments, intermediate filaments, microtubules

Question 30

What role do microtubules play in the cell?

Answer 30

Microtubules provide structural support, facilitate intracellular transport, and are essential for cell division.

Question 31

Which cytoskeletal component is primarily involved in muscle contraction?

Answer 31

Microfilaments (actin filaments) are primarily involved in muscle contraction.

Question 32

Multiple Choice: Which of the following is NOT a function of the cytoskeleton? A) Cell shape maintenance B) Transport of organelles C) Energy production D) Cell division

Answer 32

C) Energy production

Question 33

What are intermediate filaments composed of?

Answer 33

Intermediate filaments are composed of various proteins, including keratins, vimentin, and neurofilaments.

Question 34

True or False: The cytoskeleton is static and does not change in response to cellular signals.

Answer 34

False

Question 35

What is the role of motor proteins in relation to the cytoskeleton?

Answer 35

Motor proteins interact with the cytoskeleton to facilitate movement of organelles and vesicles within the cell.

Question 36

Short Answer: How do microtubules contribute to mitosis?

Answer 36

Microtubules form the mitotic spindle, which helps segregate chromosomes during mitosis.