Cells

Question 1

Define plant cell.

Answer 1

A eukaryotic cell with a rigid cell wall, chloroplasts, and large vacuoles.

Question 2

True or false: Animal cells have a cell wall.

Answer 2

FALSE

Animal cells have flexible membranes, unlike plant cells which have rigid walls.

Question 3

What is the function of chloroplasts?

Answer 3

They convert sunlight into energy through photosynthesis.

Question 4

Fill in the blank: Vacuoles are larger in _______ cells than in animal cells.

Answer 4

plant

Question 5

Define cell membrane.

Answer 5

A semi-permeable membrane surrounding the cytoplasm of a cell.

Question 6

What is a key difference between plant and animal cells?

Answer 6

Plant cells have chloroplasts; animal cells do not.

Question 7

True or false: Both plant and animal cells contain mitochondria.

Answer 7

TRUE

Mitochondria are the powerhouse of both cell types, generating energy.

Question 8

Fill in the blank: Lysosomes are more common in _______ cells.

Answer 8

animal

Question 9

What is the role of the cell wall?

Answer 9

It provides structural support and protection to plant cells.

Question 10

Define cytoplasm.

Answer 10

The jelly-like substance within a cell where organelles are suspended.

Question 11

Define plant cell.

Answer 11

A type of cell that has a cell wall, chloroplasts, and a large central vacuole.

Question 12

Define animal cell.

Answer 12

A type of cell that lacks a cell wall and chloroplasts, typically smaller than plant cells.

Question 13

What is the function of the cell membrane?

Answer 13

It controls the movement of substances in and out of the cell.

Question 14

True or false: Chloroplasts are found in animal cells.

Answer 14

FALSE

Chloroplasts are responsible for photosynthesis and are only present in plant cells.

Question 15

Fill in the blank: The nucleus contains _______.

Answer 15

DNA

Question 16

What is the role of the vacuole in plant cells?

Answer 16

It stores nutrients, waste products, and helps maintain turgor pressure.

Question 17

What is cytoplasm?

Answer 17

The jelly-like substance inside the cell where organelles are suspended.

Question 18

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

Answer 18

TRUE

Question 19

What is the function of ribosomes?

Answer 19

They are responsible for protein synthesis in the cell.

Question 20

Fill in the blank: The cell wall provides _______ to plant cells.

Answer 20

structure and support

Question 21

Define photosynthesis.

Answer 21

The process by which plants convert light energy into chemical energy.

Question 22

What is the main difference between plant and animal cells?

Answer 22

Plant cells have a cell wall and chloroplasts; animal cells do not.

Question 23

True or false: Endoplasmic reticulum is involved in lipid and protein synthesis.

Answer 23

TRUE

Question 24

What is the role of Golgi apparatus?

Answer 24

It modifies, sorts, and packages proteins and lipids for secretion or use.

Question 25

Fill in the blank: **Lysosomes** contain _______ that break down waste.

Answer 25

enzymes

Question 26

What is the function of **chlorophyll**?

Answer 26

It captures light energy for photosynthesis in plant cells.

Question 27

Define **cell theory**.

Answer 27

The theory that all living organisms are composed of cells, which are the basic units of life.

Question 28

What is the function of **peroxisomes**?

Answer 28

They break down fatty acids and detoxify harmful substances.

Question 29

True or false: **Centrioles** are found in plant cells.

Answer 29

FALSE ## Footnote Centrioles are involved in cell division and are typically found in animal cells.

Question 30

Fill in the blank: The **plasma membrane** is selectively _______.

Answer 30

permeable