Biology GCSES

Question 1

What is the basic unit of life?

Answer 1

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 function of the ribosome?

Answer 4

Protein synthesis

Question 5

Which organelle is known as the powerhouse of the cell?

Answer 5

Mitochondria

Question 6

Multiple choice: Which of the following is a type of RNA? A) mRNA B) DNA C) Protein

Answer 6

A) mRNA

Question 7

What is the term for the genetic makeup of an organism?

Answer 7

Genotype

Question 8

True or False: All mutations are harmful.

Answer 8

False

Question 9

Fill in the blank: The structure that controls the movement of substances in and out of the cell is the _______.

Answer 9

Cell membrane

Question 10

What is the primary function of red blood cells?

Answer 10

Transport oxygen

Question 11

Multiple choice: Which phase of mitosis involves the separation of sister chromatids? A) Prophase B) Anaphase C) Telophase

Answer 11

B) Anaphase

Question 12

What is the role of enzymes in biological reactions?

Answer 12

To act as catalysts and speed up reactions

Question 13

True or False: The heart is part of the respiratory system.

Answer 13

False

Question 14

Fill in the blank: The process of converting glucose into energy in the presence of oxygen is called _______.

Answer 14

Aerobic respiration

Question 15

What is the main function of the chloroplast?

Answer 15

To perform photosynthesis

Question 16

Multiple choice: Which of the following is NOT a type of connective tissue? A) Bone B) Cartilage C) Neuron

Answer 16

C) Neuron

Question 17

What is homeostasis?

Answer 17

The maintenance of a stable internal environment

Question 18

True or False: The liver is responsible for detoxifying harmful substances.

Answer 18

True

Question 19

Fill in the blank: The _______ is responsible for the exchange of gases in the lungs.

Answer 19

Alveoli

Question 20

What is the role of the large intestine?

Answer 20

To absorb water and electrolytes

Question 21

Multiple choice: Which type of immunity is gained through vaccination? A) Passive B) Active C) Natural

Answer 21

B) Active

Question 22

What are the building blocks of proteins?

Answer 22

Amino acids

Question 23

True or False: All living organisms are composed of cells.

Answer 23

True

Question 24

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

Answer 24

Nucleus

Question 25

What is the difference between prokaryotic and eukaryotic cells?

Answer 25

Prokaryotic cells lack a nucleus; eukaryotic cells have a nucleus.

Question 26

Multiple choice: Which process involves the movement of water across a semi-permeable membrane? A) Diffusion B) Osmosis C) Filtration

Answer 26

B) Osmosis