Biology Paper 1 Cell Biology B1

Question 1

What is the basic unit of life?

Answer 1

The cell

Question 2

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

Answer 2

True

Question 3

What structure controls the entry and exit of substances in a cell?

Answer 3

The cell membrane

Question 4

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

Answer 4

nucleus

Question 5

What is the function of ribosomes?

Answer 5

Protein synthesis

Question 6

Which organelle is responsible for energy production?

Answer 6

Mitochondria

Question 7

True or False: Plant cells have chloroplasts.

Answer 7

True

Question 8

What is the function of the cell wall?

Answer 8

To provide structure and support to the cell

Question 9

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

Answer 9

Cytoplasm

Question 10

Which type of cell lacks a nucleus?

Answer 10

Prokaryotic cell

Question 11

What is the primary function of the endoplasmic reticulum?

Answer 11

Protein and lipid synthesis

Question 12

Fill in the blank: The __________ is involved in processing and packaging proteins.

Answer 12

Golgi apparatus

Question 13

What is the role of lysosomes?

Answer 13

Digestion and waste removal

Question 14

True or False: All cells have the same structure and function.

Answer 14

False

Question 15

What are the two main types of cells?

Answer 15

Prokaryotic and eukaryotic

Question 16

Which organelle is responsible for photosynthesis in plant cells?

Answer 16

Chloroplasts

Question 17

What is the function of the vacuole in plant cells?

Answer 17

Storage of substances and maintaining turgor pressure

Question 18

Multiple choice: Which of the following is NOT found in animal cells? A) Cell wall B) Mitochondria C) Nucleus

Answer 18

A) Cell wall

Question 19

What is diffusion?

Answer 19

The movement of particles from an area of high concentration to an area of low concentration.

Question 20

True or False: Osmosis is the diffusion of water.

Answer 20

True

Question 21

What is active transport?

Answer 21

The movement of molecules against a concentration gradient, requiring energy.

Question 22

Fill in the blank: The __________ function to transport substances within the cell.

Answer 22

vesicles

Question 23

What is the role of the cytoskeleton?

Answer 23

To provide structural support and shape to the cell.

Question 24

Multiple choice: Which organelle is involved in detoxification? A) Ribosome B) Smooth endoplasmic reticulum C) Golgi apparatus

Answer 24

B) Smooth endoplasmic reticulum

Question 25

What is the primary role of the plasma membrane?

Answer 25

To regulate the movement of substances in and out of the cell.

Question 26

What is the difference between plant and animal cells?

Answer 26

Plant cells have a cell wall, chloroplasts, and a large central vacuole; animal cells do not.

Question 27

True or False: Mitochondria are known as the powerhouse of the cell.

Answer 27

True

Question 28

What are stem cells?

Answer 28

Undifferentiated cells that can develop into different cell types.

Question 29

Fill in the blank: Cells that have specialized functions are called __________ cells.

Answer 29

differentiated

Question 30

What is the function of the nucleolus?

Answer 30

To produce ribosomes.

Question 31

Multiple choice: Which of the following is responsible for protein modification? A) Ribosomes B) Golgi apparatus C) Mitochondria

Answer 31

B) Golgi apparatus

Question 32

What is the role of chlorophyll?

Answer 32

To absorb light energy for photosynthesis.

Question 33

True or False: Cell division occurs only in prokaryotic cells.

Answer 33

False

Question 34

What is the process of cell division in eukaryotic cells called?

Answer 34

Mitosis