Photosynthesis: How Plants Make Food

Biology

Learn about photosynthesis, the process plants use to make food from sunlight, water, and carbon dioxide. Discover the role of chlorophyll and stomata.

Photosynthesis Plants Science

7 Questions Easy Ages 6+ Nov 28, 2025

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About this Study Set

This study set covers Biology through 7 practice questions. Learn about photosynthesis, the process plants use to make food from sunlight, water, and carbon dioxide. Discover the role of chlorophyll and stomata. Every question includes the correct answer so you can learn as you go — pick any format above to get started.

Questions & Answers

Browse all 7 questions from the Photosynthesis: How Plants Make Food study set below. Each question shows the correct answer — select a study format above to practice interactively.

1 What is the main source of energy for photosynthesis?

A Sunlight
B Water
C Carbon Dioxide
D Soil

2 What is the name of the process where plants make food?

A Respiration
B Photosynthesis
C Digestion
D Transpiration

3 What do plants take in through their stomata?

A Oxygen
B Carbon Dioxide
C Nitrogen
D Hydrogen

4 What do plants release into the atmosphere during photosynthesis?

A Carbon Dioxide
B Nitrogen
C Oxygen
D Water Vapor

5 What is the green pigment found in chloroplasts called?

A Melanin
B Chlorophyll
C Carotene
D Xanthophyll

6 Besides sunlight, what else do plants need for photosynthesis?

A Rocks and minerals
B Water and carbon dioxide
C Sugar and oxygen
D Nitrogen and soil

7 What are plants often called because they take in carbon dioxide and release oxygen?

A Lungs of the world
B Hearts of the world
C Brains of the world
D Stomachs of the world

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