Biology gcse combined science paper 1 predicted questions

Question 1

What is the basic unit of life?

Answer 1

Cell

Question 2

True or False: All organisms are made up of one or more 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 organelle is responsible for energy production in cells?

Answer 4

Mitochondria

Question 5

Which part of the plant is primarily responsible for water absorption?

Answer 5

Roots

Question 6

What is the role of chlorophyll in plants?

Answer 6

To absorb light energy for photosynthesis

Question 7

Multiple Choice: Which of the following is NOT a type of tissue in animals? A) Epithelial B) Connective C) Chloroplast D) Muscle

Answer 7

C) Chloroplast

Question 8

What process do cells undergo to divide and reproduce?

Answer 8

Mitosis

Question 9

True or False: DNA is found in the nucleus of eukaryotic cells.

Answer 9

True

Question 10

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

Answer 10

Nucleus

Question 11

What is the primary function of red blood cells?

Answer 11

To transport oxygen

Question 12

Multiple Choice: Which type of blood vessel carries blood away from the heart? A) Veins B) Arteries C) Capillaries D) None of the above

Answer 12

B) Arteries

Question 13

What is the function of the stomata in leaves?

Answer 13

To allow gas exchange

Question 14

True or False: Enzymes are proteins that speed up chemical reactions.

Answer 14

True

Question 15

What is the pH range of acidic solutions?

Answer 15

Below 7

Question 16

Multiple Choice: Which of the following is a product of photosynthesis? A) Oxygen B) Carbon Dioxide C) Glucose D) Both A and C

Answer 16

D) Both A and C

Question 17

Fill in the blank: The __________ system is responsible for transporting nutrients and oxygen throughout the body.

Answer 17

Circulatory

Question 18

What is the main function of the immune system?

Answer 18

To protect the body from pathogens

Question 19

True or False: The heart has four chambers.

Answer 19

True

Question 20

What is the role of the ribosomes in a cell?

Answer 20

To synthesize proteins

Question 21

Multiple Choice: Which molecule carries genetic information? A) RNA B) DNA C) Protein D) Lipid

Answer 21

B) DNA

Question 22

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

Answer 22

Amino acids

Question 23

What is homeostasis?

Answer 23

The maintenance of a stable internal environment

Question 24

True or False: All living organisms can reproduce.

Answer 24

True

Question 25

What is the primary role of the digestive system?

Answer 25

To break down food and absorb nutrients

Question 26

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

Answer 26

A) Blood

Question 27

Fill in the blank: The __________ is the site of photosynthesis in plant cells.

Answer 27

Chloroplast

Question 28

What is the function of the xylem in plants?

Answer 28

To transport water and minerals from roots to leaves

Question 29

True or False: The process of cellular respiration occurs in the mitochondria.

Answer 29

True

Question 30

What is the role of the large intestine?

Answer 30

To absorb water and form feces

Question 31

Multiple Choice: Which part of the brain is responsible for balance? A) Cerebrum B) Cerebellum C) Brainstem D) Hypothalamus

Answer 31

B) Cerebellum

Question 32

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

Answer 32

Neurons

Question 33

What is the main function of the kidneys?

Answer 33

To filter blood and produce urine

Question 34

True or False: Plants can perform cellular respiration.

Answer 34

True

Question 35

What is the function of the epidermis in plants?

Answer 35

To protect the plant and reduce water loss

Question 36

Multiple Choice: Which of the following is a carbohydrate? A) Glucose B) Fatty acid C) Amino acid D) Nucleotide

Answer 36

A) Glucose

Question 37

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

Answer 37

Brainstem

Question 38

What is the role of insulin in the body?

Answer 38

To regulate blood sugar levels

Question 39

True or False: All enzymes are specific to a particular substrate.

Answer 39

True

Question 40

What is biodiversity?

Answer 40

The variety of life in a particular habitat or ecosystem