B1 - Cell Biololgy

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 movement of substances in and out of the cell?

Answer 3

The cell membrane.

Question 4

Fill in the blank: The jelly-like substance inside a cell is called ______.

Answer 4

cytoplasm.

Question 5

What is the function of the nucleus?

Answer 5

To store genetic information and control cell activities.

Question 6

Which organelle is responsible for energy production?

Answer 6

Mitochondria.

Question 7

What is the function of ribosomes?

Answer 7

To synthesize proteins.

Question 8

True or False: Plant cells have chloroplasts.

Answer 8

True.

Question 9

What is the function of chloroplasts?

Answer 9

To carry out photosynthesis.

Question 10

Fill in the blank: The rigid outer layer of a plant cell is called the ______.

Answer 10

cell wall.

Question 11

What is the role of the vacuole in a plant cell?

Answer 11

To store nutrients and maintain turgor pressure.

Question 12

What type of cell lacks a nucleus?

Answer 12

Prokaryotic cell.

Question 13

Multiple choice: Which of the following is a prokaryotic organism? A) Plant B) Animal C) Bacteria D) Fungus

Answer 13

C) Bacteria.

Question 14

True or False: All cells have a cell wall.

Answer 14

False.

Question 15

What is osmosis?

Answer 15

The movement of water molecules from a region of lower solute concentration to a region of higher solute concentration through a semi-permeable membrane.

Question 16

Fill in the blank: The process by which cells divide to produce two identical daughter cells is called ______.

Answer 16

mitosis.

Question 17

What are stem cells?

Answer 17

Undifferentiated cells that can develop into different cell types.

Question 18

Multiple choice: Which of the following is NOT a function of the cell membrane? A) Protection B) Regulation of substances C) Energy production D) Communication

Answer 18

C) Energy production.

Question 19

True or False: Eukaryotic cells are generally larger than prokaryotic cells.

Answer 19

True.

Question 20

Fill in the blank: The process of converting glucose into energy in the presence of oxygen is called ______.

Answer 20

aerobic respiration.

Question 21

What is the difference between diffusion and active transport?

Answer 21

Diffusion is the passive movement of molecules from high to low concentration, while active transport requires energy to move molecules against their concentration gradient.

Question 22

What is the purpose of cell specialization?

Answer 22

To allow cells to perform specific functions efficiently.

Question 23

True or False: All cells in an organism have the same DNA.

Answer 23

True.

Question 24

What is the role of the plasma membrane?

Answer 24

To protect the cell and control the movement of substances in and out.

Question 25

Multiple choice: Which organelle is known as the powerhouse of the cell? A) Nucleus B) Ribosome C) Mitochondria D) Golgi apparatus

Answer 25

C) Mitochondria.

Question 26

Fill in the blank: The green pigment found in chloroplasts is called ______.

Answer 26

chlorophyll.

Question 27

What are the two main types of cells?

Answer 27

Prokaryotic and eukaryotic cells.

Question 28

True or False: Bacteria are eukaryotic cells.

Answer 28

False.

Question 29

What is the function of the cell wall in plant cells?

Answer 29

To provide structure and protection.

Question 30

What is the primary role of DNA in a cell?

Answer 30

To store and transmit genetic information.

Question 31

Multiple choice: Which of the following is NOT found in a plant cell? A) Chloroplast B) Cell wall C) centrioles D) Vacuole

Answer 31

C) Centrioles.

Question 32

What process do cells use to produce energy without oxygen?

Answer 32

Anaerobic respiration.

Question 33

Multiple choice: Which structure is responsible for protein synthesis? A) Lysosome B) Ribosome C) Nucleus D) Mitochondria

Answer 33

B) Ribosome.

Question 34

What is diffusion

Answer 34

The spreading out of particles from an area of high concentration to an area of low concentration

Question 35

What is the formula for magnification

Answer 35

Magnification = image size / real size

Question 36

What are the different parts of a microscope called

Answer 36

Eyepiece, stage, objective lens and coarse adjustment knob