Bio

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 plants make their own food is called ______.

Answer 3

photosynthesis.

Question 4

What is the function of ribosomes in a cell?

Answer 4

To synthesize proteins.

Question 5

Which organelle is known as the powerhouse of the cell?

Answer 5

Mitochondria.

Question 6

True or False: DNA stands for Deoxyribonucleic Acid.

Answer 6

True.

Question 7

What is the role of the nucleus in a cell?

Answer 7

To store genetic material and control cell activities.

Question 8

What type of cell division is used for growth and repair?

Answer 8

Mitosis.

Question 9

Fill in the blank: The ______ is a semi-permeable membrane that surrounds the cell.

Answer 9

cell membrane.

Question 10

What are the two main types of cells?

Answer 10

Prokaryotic and Eukaryotic.

Question 11

True or False: All prokaryotic cells have a nucleus.

Answer 11

False.

Question 12

What is the primary function of chloroplasts?

Answer 12

To conduct photosynthesis.

Question 13

What is the difference between autotrophs and heterotrophs?

Answer 13

Autotrophs produce their own food; heterotrophs consume other organisms.

Question 14

Fill in the blank: The ______ theory states that all living things are composed of cells.

Answer 14

cell.

Question 15

What is the role of enzymes in biological reactions?

Answer 15

To act as catalysts and speed up reactions.

Question 16

Which macromolecule is primarily responsible for storing genetic information?

Answer 16

Nucleic acids.

Question 17

True or False: Proteins are made up of amino acids.

Answer 17

True.

Question 18

What is osmosis?

Answer 18

The diffusion of water across a semi-permeable membrane.

Question 19

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

Answer 19

To provide structure and protection.

Question 20

What is the main difference between plant and animal cells?

Answer 20

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

Question 21

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

Answer 21

cellular respiration.

Question 22

What are the building blocks of proteins?

Answer 22

Amino acids.

Question 23

True or False: All cells have a mitochondria.

Answer 23

False.

Question 24

What is a mutation?

Answer 24

A change in the DNA sequence.

Question 25

What is the function of the Golgi apparatus?

Answer 25

To modify, sort, and package proteins and lipids.

Question 26

What is the primary function of the endoplasmic reticulum?

Answer 26

To synthesize proteins and lipids.

Question 27

Fill in the blank: The ______ is a structure that helps in cell division.

Answer 27

spindle apparatus.

Question 28

What is the role of the lysosome?

Answer 28

To digest waste materials and cellular debris.

Question 29

True or False: The cell membrane is made up of a phospholipid bilayer.

Answer 29

True.

Question 30

What is the process by which cells take in large particles?

Answer 30

Endocytosis.

Question 31

What is the primary role of the plasma membrane?

Answer 31

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

Question 32

Fill in the blank: The ______ is the region of a cell where metabolic processes occur.

Answer 32

cytoplasm.

Question 33

What is the role of the cytoskeleton?

Answer 33

To maintain cell shape and support cellular movement.

Question 34

What is the function of vacuoles in plant cells?

Answer 34

To store substances and maintain turgor pressure.

Question 35

True or False: All eukaryotic cells have a nucleus.

Answer 35

True.

Question 36

What is the function of the plasma membrane?

Answer 36

To protect the cell and regulate what enters and exits.

Question 37

Fill in the blank: The ______ is the part of the cell that controls the activities of the cell.

Answer 37

nucleus.

Question 38

What is the role of the peroxisome?

Answer 38

To break down fatty acids and detoxify harmful substances.

Question 39

What is the difference between aerobic and anaerobic respiration?

Answer 39

Aerobic respiration requires oxygen; anaerobic does not.

Question 40

True or False: ATP is the energy currency of the cell.

Answer 40

True.

Question 41

What is the role of the phospholipid bilayer?

Answer 41

To form the basic structure of the cell membrane.

Question 42

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

Answer 42

cytoskeleton.