Biology Vocabulary Quiz

Name:

Date:

Instructions: Discover the language of life sciences, from cells and organisms to ecosystems and evolution.

1.
What is 'photosynthesis'?
A
The breakdown of food in the stomach
B
The process by which plants convert sunlight into chemical energy
C
The movement of water through soil
D
The reproduction of cells
2.
What does 'mitosis' refer to?
A
The death of cells
B
The movement of organisms
C
A type of cell division that results in two identical daughter cells
D
The study of muscles
3.
What is a 'chromosome'?
A
A part of the cell membrane
B
An organ in the body
C
A type of protein
D
A thread-like structure of DNA that carries genetic information
4.
What does 'osmosis' describe?
A
The formation of new cells
B
The evaporation of water from leaves
C
The movement of water through a semipermeable membrane from low to high solute concentration
D
The digestion of proteins
5.
What is 'taxonomy'?
A
The study of diseases
B
The measurement of body temperature
C
The science of classifying and naming organisms
D
The study of fossils
6.
What does 'symbiosis' mean?
A
The death of an organism
B
The migration of animals
C
Competition between species
D
A close and often long-term interaction between different species
7.
What is 'metabolism'?
A
The sum of all chemical reactions in a living organism
B
The process of breathing
C
The growth of bones
D
The movement of blood through veins
8.
What is an 'enzyme'?
A
A type of blood cell
B
A structural protein in muscles
C
A type of hormone
D
A biological catalyst that speeds up chemical reactions in the body
9.
What does 'adaptation' mean in biology?
A
The process of decay
B
The migration of animals
C
The extinction of a species
D
A trait that helps an organism survive and reproduce in its environment
10.
What is 'cytoplasm'?
A
The wall of a plant cell
B
The jelly-like substance inside a cell that surrounds the nucleus
C
The DNA in a cell
D
The outer shell of a cell
11.
What is a 'genome'?
A
A type of cell
B
A single gene
C
The complete set of genetic material in an organism
D
A protein molecule
12.
What does 'biodiversity' refer to?
A
The variety of life forms in an ecosystem or on Earth
B
The number of plants in a garden
C
The depth of the ocean
D
The height of a forest canopy
13.
What is 'homeostasis'?
A
The process of reproduction
B
The growth of new tissue
C
The ability to move quickly
D
The maintenance of a stable internal environment in an organism
14.
What does 'mutation' mean in biology?
A
The growth of an organism
B
The death of a cell
C
The splitting of a cell
D
A change in the DNA sequence of an organism
15.
What is 'cellular respiration'?
A
Breathing through the nose
B
The process by which cells break down glucose to produce energy
C
The movement of air in the lungs
D
The absorption of oxygen through the skin

Answer Key

Question 1

B. The process by which plants convert sunlight into chemical energy

Question 2

C. A type of cell division that results in two identical daughter cells

Question 3

D. A thread-like structure of DNA that carries genetic information

Question 4

C. The movement of water through a semipermeable membrane from low to high solute concentration

Question 5

C. The science of classifying and naming organisms

Question 6

D. A close and often long-term interaction between different species

Question 7

A. The sum of all chemical reactions in a living organism

Question 8

D. A biological catalyst that speeds up chemical reactions in the body

Question 9

D. A trait that helps an organism survive and reproduce in its environment

Question 10

B. The jelly-like substance inside a cell that surrounds the nucleus

Question 11

C. The complete set of genetic material in an organism

Question 12

A. The variety of life forms in an ecosystem or on Earth

Question 13

D. The maintenance of a stable internal environment in an organism

Question 14

D. A change in the DNA sequence of an organism

Question 15

B. The process by which cells break down glucose to produce energy

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