Science - Cells and life

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

Fill in the blank: The process by which cells divide to form new cells is called ______.

Answer 3

cell division.

Question 4

What is the function of the cell membrane?

Answer 4

To protect the cell and control what enters and leaves.

Question 5

Multiple Choice: Which organelle is known as the powerhouse of the cell? (a) Nucleus (b) Mitochondria (c) Ribosome

Answer 5

b) Mitochondria.

Question 6

What is DNA?

Answer 6

The molecule that carries genetic information.

Question 7

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

Answer 7

False.

Question 8

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

Answer 8

cytoplasm.

Question 9

Multiple Choice: Which organelle is responsible for photosynthesis? (a) Chloroplast (b) Golgi apparatus (c) Lysosome

Answer 9

a) Chloroplast.

Question 10

What is the primary purpose of reproduction in living organisms?

Answer 10

To produce new individuals and ensure the continuation of a species.

Question 11

Fill in the blank: The type of reproduction that involves the fusion of gametes is called ______.

Answer 11

sexual reproduction.

Question 12

What are gametes?

Answer 12

Reproductive cells (sperm and eggs).

Question 13

What is the main function of the nucleus in a cell?

Answer 13

To store genetic information and control cell activities.

Question 14

Multiple Choice: Which of the following is a characteristic of living things? (a) Growth (b) Ability to move (c) Ability to reproduce

Answer 14

c) Ability to reproduce.

Question 15

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

Answer 15

nucleus.

Question 16

What is the function of the cell wall?

Answer 16

To provide structure and support to plant cells.

Question 17

True or False: All cells have a cell wall.

Answer 17

False.

Question 18

What is the primary function of chloroplasts?

Answer 18

To conduct photosynthesis in plant cells.

Question 19

What is a zygote?

Answer 19

The fertilized egg that forms after the fusion of gametes.

Question 20

True or False: Genetic information is passed from parents to offspring through DNA.

Answer 20

True.

Question 21

Fill in the blank: The ______ is the region of the cell where the genetic material is located.

Answer 21

nucleus.

Question 22

What is the significance of stem cells?

Answer 22

They have the potential to develop into different cell types.

Question 23

True or False: Cells can only come from pre-existing cells.

Answer 23

True.

Question 24

What is the function of the vacuole in plant cells?

Answer 24

To store nutrients

Question 25

True or False: The cell theory states that all cells come from existing cells.

Answer 25

True.

Question 26

Multiple Choice: Which structure is found in plant cells but not in animal cells? (a) Cell membrane (b) Chloroplast (c) Mitochondria

Answer 26

b) Chloroplast.

Question 27

True or False: Cells can store energy in the form of glucose.

Answer 27

True.

Question 28

Multiple Choice: Which of the following is a characteristic of living things? (a) Ability to move (b) Growth (c) Both

Answer 28

c) Both.

Question 29

What is the function of the cell's cytoplasm?

Answer 29

To support and suspend organelles.

Question 30

What is the role of the cell vacuole?

Answer 30

To store materials