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Photosynthesis Test
Test Description: Utah Photosynthesis 8.3.1
Instructions: Answer all questions to get your test result.
1) An aquatic plant is placed under water and bubbles form on the leaves and stem. What do the bubbles indicate? The plant is
A
using oxygen
B
producing oxygen
C
using carbon dioxide
D
producing carbon dioxide
2) Which of the following depends on solar energy?
A
a plant using energy
B
plants making sugar
C
energy being released by a volcano
D
people using sugar
3) Scientists agree that plants get their “food” from the air. Why do scientists accept something that does not appear to be true?
A
They have evidence from experiments with plant growth
B
They found information on plant growth in ancient books.
C
They have interviewed farmers in many places on Earth.
D
They have studied plants growing on other planets
4) In an investigation two of the same plants are grown with the same amount of water. One plant is put in the window so the sun can hit it, one is in the basement where there is not sun. Why won’t the one in the basement grow?
A
There is no CO2
B
There is not light energy
C
It has no water
D
There is no chemical energy
5) What type of energy does a plant store as it absorbs solar energy?
A
electrical energy
B
mechanical energy
C
sound energy
D
chemical energy
6) 6. What resources must a plant have for photosynthesis (the reactants)?
A
Sun and CO2
B
Glucose and Oxygen
C
CO2 and glucose
D
Sun, water, and carbon dioxide(CO2)
7) What are the products of photosynthesis?
A
ATP and water
B
Sun and water
C
CO2 and glucose
D
Glucose (C6H12O6) and oxygen.
8) In a closed terrarium, more photosynthesis is taking place than respiration. Which gas would you expect to increase?
A
Carbon Dioxide
B
Air
C
Oxygen
D
Nitrogen
9) Where does most of the matter in plants come from?
A
Carbon dioxide (CO2) and water
B
Sunlight
C
The soil
D
Oxygen
10) 10. How does photosynthesis help humans survive?
A
Humans can eat animals so we don’t need photosynthesis
B
Photosynthesis gives us light energy
C
Photosynthesis gives us oxygen to breathe and glucose for energy
D
Photosynthesis gives us carbon dioxide to breathe and glucose for energy
11) What is the main energy source to power photosynthesis?
A
Carbon dioxide
B
Sunlight
C
Glucose
D
Water
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