Understanding Photosynthesis Process

Quiz
•
Science
•
7th Grade
•
Medium
Standards-aligned
Jesus Hernandez
Used 5+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the primary source of energy for almost all living things?
Water
The Sun
Oxygen
Glucose
Answer explanation
The primary source of energy for almost all living things is the Sun. It drives photosynthesis in plants, which produce glucose, the energy source for many organisms, making the Sun essential for life on Earth.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS1-7
NGSS.MS-LS2-3
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the role of chlorophyll in photosynthesis?
It absorbs water
It captures and stores light energy
It releases oxygen
It combines with glucose
Answer explanation
Chlorophyll plays a crucial role in photosynthesis by capturing and storing light energy from the sun, which is essential for converting carbon dioxide and water into glucose and oxygen.
Tags
NGSS.MS-LS1-6
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which organelle is responsible for photosynthesis in plant cells?
Mitochondria
Nucleus
Chloroplast
Ribosome
Answer explanation
The chloroplast is the organelle in plant cells responsible for photosynthesis, converting sunlight into energy. Mitochondria generate energy, the nucleus contains genetic material, and ribosomes synthesize proteins.
Tags
NGSS.MS-LS1-6
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What are the reactants in the photosynthesis process?
Glucose and Oxygen
Carbon Dioxide and Water
Oxygen and Water
Glucose and Carbon Dioxide
Answer explanation
In photosynthesis, plants use carbon dioxide and water as reactants to produce glucose and oxygen. Therefore, the correct answer is carbon dioxide and water.
Tags
NGSS.MS-LS1-6
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Explain the role of stomata in the process of photosynthesis.
They absorb sunlight
They allow the exchange of gases
They store glucose
They transport water
Answer explanation
Stomata are small openings on leaves that facilitate gas exchange. During photosynthesis, they allow carbon dioxide to enter and oxygen to exit, which is essential for the process to occur effectively.
Tags
NGSS.MS-LS1-6
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the chemical equation for photosynthesis?
Answer explanation
The correct equation for photosynthesis is 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂. This shows that carbon dioxide and water are converted into glucose and oxygen using sunlight.
Tags
NGSS.MS-LS1-6
NGSS.MS-LS2-3
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe how plants store excess glucose produced during photosynthesis.
As proteins
As starch
As fats
As oxygen
Answer explanation
Plants store excess glucose produced during photosynthesis primarily as starch. Starch serves as a compact energy reserve that can be broken down into glucose when needed, unlike proteins or fats, which serve different functions.
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