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Our Amazing Bodies: Biochemistry Basics

Biochemistry

Learn the fundamental building blocks and processes that make living things work, explained simply for young learners.

biology science elementary cells nutrients

18 Questions Easy Ages 5+ Sep 4, 2026

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About this Study Set

This study set covers Biochemistry through 18 practice questions. Learn the fundamental building blocks and processes that make living things work, explained simply for young learners. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

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Browse all 18 questions from the Our Amazing Bodies: Biochemistry Basics study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What are the tiny building blocks that make up all living things, like plants and animals?

A Legos
B Cells
C Bricks
D Grains of sand

2 Which of these is a type of nutrient our bodies need to grow strong and get energy?

A Plastic
B Water
C Rock
D Air

3 What gas do plants take in from the air to help them make their own food?

A Oxygen
B Helium
C Carbon Dioxide
D Nitrogen

4 What is the main source of energy for almost all life on Earth?

A The Moon
B The Sun
C Electricity
D Fire

5 What important job does water do inside our bodies?

A Makes us float
B Helps carry nutrients and remove waste
C Makes our bones hard
D Keeps us cold

6 Which of these is a food group that gives us energy to run and play?

A Sweets
B Vegetables
C Carbohydrates (like bread and rice)
D Water

7 What do we call the process where plants use sunlight, water, and carbon dioxide to make food?

A Digestion
B Photosynthesis
C Respiration
D Evaporation

8 What part of the cell controls what goes in and out?

A The nucleus
B The cell wall
C The cell membrane
D The cytoplasm

9 What is the main ingredient in many foods that helps build and repair our muscles?

A Sugar
B Fat
C Proteins
D Water

10 What gas do humans and animals breathe in that is essential for life?

A Carbon Dioxide
B Nitrogen
C Oxygen
D Steam

11 What are the tiny structures inside cells that help them perform their jobs?

A Big rocks
B Organelles
C Clouds
D Stars

12 Which of these is a type of fat that is good for our bodies and found in things like avocados and nuts?

A Butter
B Unhealthy fats
C Healthy fats
D Grease

13 What is the control center of a cell that contains its genetic information?

A The cell membrane
B The cytoplasm
C The nucleus
D The vacuole

14 What is the process where our bodies break down food to get energy?

A Photosynthesis
B Digestion
C Fermentation
D Condensation

15 What are the small powerhouses inside cells that provide energy for the cell to work?

A Nucleus
B Ribosomes
C Mitochondria
D Lysosomes

16 What nutrient helps our bodies absorb certain vitamins and keeps our skin healthy?

A Carbohydrates
B Proteins
C Fats
D Minerals

17 What do we call the process where living things release energy from food?

A Photosynthesis
B Digestion
C Respiration
D Absorption

18 What are the basic building blocks of proteins?

A Sugars
B Amino acids
C Fatty acids
D Nucleotides

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