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WorksheetsEnergy in Organisms
Total questions: 18
Worksheet time: 18mins
What is an autotroph?
An organism that makes their own food
An organism that can drive an automobile
An organism that eats other things for food
An organism that eats ATP
What is the function of chlorophyll?
To take in the sun's energy
To make glucose
To feed plants
To take in oxygen
After his experiment, where did van Helmont think plants got their energy from?
Soil
Sunlight
Water
Air
Where do nearly all organisms technically get their energy from, even if it is indirectly?
Oxygen
Sunlight
Moonlight
Thermodynamics
Which of these things do plants NOT need in order to do photosynthesis?
Carbon dioxide
Water
Sunlight
Oxygen
What would happen to a plant that is kept in a dark room?
It would not grow at all even with water
It would grow larger than if it were kept in the sunlight
It would grow to fill the size of the room
It would grow only if you also watered it
Where does photosynthesis actually take place in a plant cell?
Nucleus
Ribosome
Chloroplast
Mitochondria
What are the reactants in the chemical equation for photosynthesis?
CO2 and H2O
H2O and glucose
CO2 and glucose
O2 and glucose
What are the products in the chemical equation for photosynthesis?
CO2 and glucose
CO2 and O2
Glucose and O2
Cells and glucose
What are the two separate reactions in photosynthesis?
"Light" and "dark" reactions
"Light" and "heavy" reactions
"White" and "dark" reactions
"Energy" and "glucose" reactions
How do heterotrophs obtain their energy?
They make their own food
They consume other organisms for food
They eat air for food
They do not need energy
What is the primary purpose of photosynthesis?
For plants to make oxygen for animals to consume
For animals to make glucose to store energy
To make plants look green
For plants to make glucose to store energy
What biological molecule is used to store chemical energy in all organisms?
H2O (water)
CO2 (carbon dioxide)
ATP (adenosine triphosphate)
O2 (oxygen)
What molecule do plants use to store energy?
Glucose
Oxygen
Water
Carbon dioxide
What would happen to heterotrophs if all autotrophs (plants, trees, algae) went extinct?
Heterotrophs would eventually die out too
Heterotrophs would take over the world
Heterotrophs would have to eat each other
Heterotrophs would do just fine
What object can ATP be best compared to?
Blender
Rechargeable battery
Treadmill
Solar panel
Which part of photosynthesis requires sunlight?
Entropy
The Calvin Cycle
"Dark" reaction
"Light" reaction
Which of these substances is required for plants to survive but is not necessarily needed for photosynthesis?
Soil for nutrients
Water
Carbon dioxide
Sunlight
