Biology paper 1 gcse science combined higher exam style content

Question 1

What is the basic unit of life?

Answer 1

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 the mitochondria?

Answer 4

To produce energy through respiration

Question 5

Which organelle is responsible for protein synthesis?

Answer 5

Ribosome

Question 6

What type of cell division produces gametes?

Answer 6

Meiosis

Question 7

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

Answer 7

True

Question 8

What is the function of the cell membrane?

Answer 8

To control what enters and leaves the cell

Question 9

Multiple Choice: Which of the following is NOT a characteristic of living things? A) Growth B) Reproduction C) Inability to adapt D) Response to stimuli

Answer 9

C) Inability to adapt

Question 10

What is natural selection?

Answer 10

The process by which organisms better adapted to their environment tend to survive and produce more offspring.

Question 11

Fill in the blank: The genetic makeup of an organism is known as its _____

Answer 11

Genotype

Question 12

What is the role of enzymes in biological reactions?

Answer 12

To act as catalysts and speed up the reactions

Question 13

True or False: All enzymes are proteins.

Answer 13

True

Question 14

What is the primary function of the chloroplast?

Answer 14

To conduct photosynthesis

Question 15

Multiple Choice: Which process do cells undergo to obtain energy from glucose? A) Photosynthesis B) Fermentation C) Respiration D) Digestion

Answer 15

C) Respiration

Question 16

What is homeostasis?

Answer 16

The maintenance of a stable internal environment in an organism.

Question 17

Fill in the blank: The _____ is the part of the cell that contains the genetic material.

Answer 17

Nucleus

Question 18

True or False: Prokaryotic cells lack a nucleus.

Answer 18

True

Question 19

What is the difference between a dominant and a recessive allele?

Answer 19

A dominant allele expresses its trait even if only one copy is present, while a recessive allele only expresses its trait if two copies are present.

Question 20

What is a phenotype?

Answer 20

The observable characteristics of an organism.

Question 21

Multiple Choice: Which of the following is a method of asexual reproduction? A) Binary fission B) Meiosis C) Fertilization D) Budding

Answer 21

A) Binary fission

Question 22

What is the purpose of the scientific method?

Answer 22

To provide a systematic approach for investigating phenomena and acquiring new knowledge.

Question 23

Fill in the blank: The _____ is a measure of the acidity or alkalinity of a solution.

Answer 23

pH

Question 24

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

Answer 24

True

Question 25

What is the function of the ribosome?

Answer 25

To synthesize proteins from amino acids.

Question 26

Multiple Choice: What is the primary component of the cell wall in plant cells? A) Cellulose B) Protein C) Lipids D) Nucleic acids

Answer 26

A) Cellulose