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- 1. Multiple Choice
The leaf must have 3 factors to conduct photosynthesis. Sunlight and carbon dioxide are two factors. What is the third?
water
oxygen
hydrogen
nitrogen
- 2. Multiple Choice
What process makes food for plants?
respiration
condensation
reproduction
photosynthesis
- 3. Multiple Choice
In order to make glucose in photosynthesis, light energy must be trapped by-
the xylem
carbon dioxide
the chlorophyll
the carotenes
- 4. Multiple Choice
Which organelle from the plant cell is primarily responsible for converting sunlight to energy?
mitochondria
nucleus
vacuole
chloroplast
- 5. Multiple Choice
What is produced as a result of photosynthesis?
glucose and chlorophyll
water and light energy
glucose and oxygen
carbon dioxide and water
- 6. Multiple Choice
A plant traps light energy from the sun by using the chemical-
chloroplast found in the cytoplasm
chlorophyll found in the chloroplast
carbon found in the chlorophyll
glucose found in the chloroplast
- 7. Multiple Choice
Which word equation best represents the process of photosynthesis?
glucose ----> ATP + carbon dioxide
ATP + glucose ---> water + carbon dioxide + oxygen
carbon dioxide + water ---> glucose + oxygen
glucose --->carbon dioxide + water
- 8. Multiple Choice
Once the chemical process of photosynthesis is complete, the energy produced is stored in the chemical bonds of which molecules?
water
carbon dioxide
oxygen
glucose
- 9. Multiple Choice
The carrots, grasses, and grains are producers in this food web. Why are they called producers?
They have the ability to produce carbon.
They have the ability to produce glucose.
They have the ability to produce light energy.
They have the ability to produce water.
- 10. Multiple Choice
How does the oxygen produced by the plant during photosynthesis escape into the air?
through large holes in the stem
released when an animal eats a plant
through the roots
through tiny openings called stomata
- 11. Multiple Choice
The producers are the only organisms performing photosynthesis in the food web.
True
False
- 12. Multiple Choice
Photosynthesis is the foundation for energy transfer in food webs.
True
False
- 13. Multiple Choice
Some food webs do not have producers.
True
False
- 14. Multiple Choice
Through which structure does water enter plants.
stems
roots
leaves
stomata
- 15. Multiple Choice
Why do plant cells go through the process of called photosynthesis?
to darken the leaves of the plant for camouflage
to produce oxygen as a form of energy
to produce food used later by the plant for energy
to prodcue carbon dioxide as a form of energy
- 16. Multiple Choice
What process is the foundation of almost all food webs?
fermentation
photosynthesis
binary fission
mitosis
- 17. Multiple Choice
How does the plant obtain carbon dioxide?
through the glucose in the stem
through the stomata of the leaf
through the roots of the plant
through a chemical reaction in the chlorophyll
- 18. Multiple Choice
The driving force behind this energy web is the-
grass
sun
tree
wolf
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