Gcse Biology Mocks

Question 1

What is the basic unit of life?

Answer 1

The cell

Question 2

True or False: DNA is made up of amino acids.

Answer 2

False

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 primary function of red blood cells?

Answer 4

To transport oxygen

Question 5

Multiple choice: What organelle is responsible for energy production in the cell? A) Nucleus B) Mitochondria C) Ribosome D) Golgi apparatus

Answer 5

B) Mitochondria

Question 6

What is the role of the ribosome in a cell?

Answer 6

Protein synthesis

Question 7

True or False: Mitosis results in two identical daughter cells.

Answer 7

True

Question 8

Fill in the blank: The genetic material of an organism is known as its __________.

Answer 8

genome

Question 9

What is the function of the cell membrane?

Answer 9

To control what enters and leaves the cell

Question 10

Multiple choice: Which of the following is NOT a type of macromolecule? A) Carbohydrates B) Proteins C) Nucleic acids D) Water

Answer 10

D) Water

Question 11

What is the pH range of acids?

Answer 11

Less than 7

Question 12

True or False: Enzymes speed up chemical reactions in the body.

Answer 12

True

Question 13

Fill in the blank: The __________ is the powerhouse of the cell.

Answer 13

mitochondria

Question 14

What type of cell division occurs in gametes?

Answer 14

Meiosis

Question 15

Multiple choice: Which part of the plant is responsible for water absorption? A) Leaves B) Roots C) Stem D) Flowers

Answer 15

B) Roots

Question 16

What process do animals use to obtain energy from food?

Answer 16

Cellular respiration

Question 17

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

Answer 17

True

Question 18

Fill in the blank: __________ are the building blocks of proteins.

Answer 18

Amino acids

Question 19

What is the main function of the chloroplast?

Answer 19

To conduct photosynthesis

Question 20

Multiple choice: Which of the following is a function of the liver? A) Producing insulin B) Filtering blood C) Producing bile D) All of the above

Answer 20

D) All of the above

Question 21

What is the role of the nervous system?

Answer 21

To transmit signals throughout the body

Question 22

True or False: Bacteria are eukaryotic organisms.

Answer 22

False

Question 23

Fill in the blank: The __________ system is responsible for transporting hormones throughout the body.

Answer 23

endocrine

Question 24

What is the primary function of the immune system?

Answer 24

To defend against pathogens

Question 25

Multiple choice: Which of the following is a type of connective tissue? A) Muscle B) Epithelial C) Bone D) Nervous

Answer 25

C) Bone

Question 26

What is the function of the large intestine?

Answer 26

To absorb water and form feces

Question 27

True or False: Homeostasis refers to maintaining a stable internal environment.

Answer 27

True

Question 28

Fill in the blank: The __________ is the part of the brain that controls balance.

Answer 28

cerebellum

Question 29

What is the process called when a cell takes in liquid?

Answer 29

Pinocytosis

Question 30

Multiple choice: What is the main organ of the circulatory system? A) Heart B) Lungs C) Kidneys D) Liver

Answer 30

A) Heart

Question 31

What type of bond holds the two strands of DNA together?

Answer 31

Hydrogen bonds

Question 32

True or False: Genetic mutations can be beneficial, harmful, or neutral.

Answer 32

True

Question 33

Fill in the blank: The __________ is a semi-permeable barrier surrounding a cell.

Answer 33

cell membrane

Question 34

What is the primary purpose of meiosis?

Answer 34

To produce gametes

Question 35

Multiple choice: Which of the following structures is involved in detoxifying harmful substances? A) Ribosome B) Smooth endoplasmic reticulum C) Mitochondria D) Golgi apparatus

Answer 35

B) Smooth endoplasmic reticulum

Question 36

What term describes a trait that can be masked by another trait?

Answer 36

Recessive

Question 37

True or False: Photosynthesis occurs in the mitochondria.

Answer 37

False

Question 38

Fill in the blank: __________ are specialized cells that transmit nerve impulses.

Answer 38

Neurons

Question 39

What is the role of the endocrine system?

Answer 39

To regulate bodily functions through hormones

Question 40

Multiple choice: Which process occurs in the nucleus? A) Photosynthesis B) Cellular respiration C) DNA replication D) Protein synthesis

Answer 40

C) DNA replication