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- 1. Multiple Choice
Where does main source of energy for all life comes from?
soil
air
sun
food
- 2. Multiple Choice
Which colors of light does chlorophyll absorb the most?
red and blue
yellow and green
- 3. Multiple Choice
Why are plants green?
Plant pigments absorb green light.
Plant pigments absorb violet light.
Plant pigments reflect green light.
Plant pigments refliect violet light.
- 4. Multiple Choice
What are the reactants of photosynthesis?
glucose and water
glucose and oxygen.
carbon dioxide and water
carbon dioxide and oxygen
- 5. Multiple ChoiceWhich statement about photosynthesis is correct?Plants get the energy they need for photosynthesis from water.Plants get the energy they need for photosynthesis from soil.Plants get the energy they need for photosynthesis from sunlight.Plants do not require energy to perform photosynthesis.
- 6. Multiple ChoiceWhat are the products of photosynthesis?Carbon dioxide and waterCarbon dioxide and oxygenGlucose and oxygenGlucose and water
- 7. Multiple Choice
Which pigments absorb sunlight for photosynthesis?
green
yellow
carotenoids
chlorophyll
- 8. Multiple ChoiceWhich of the following is the correct equation for PHOTOSYNTHESIS?6CO2 + 6H2O --> 6O2 + C6H12O66CO2 + C6H12O6 + 6H2O --> O26O2 + 6H2O --> 6CO2 + C6H12O6C6H12O6 + 6O2 ---> 6H2O + 6CO2
- 9. Multiple ChoiceWhich gas is removed from the atmosphere during photosynthesis?hydrogenoxygennitrogencarbon dioxide
- 10. Multiple Choice
In which organelle does photosynthesis occur?
mitochondria
stomata
xylem
chloroplast
- 11. Multiple ChoiceWhch pigments absorbs green and blue light but reflects orange and red light?CarotenoidsChlorophylls
- 12. Multiple ChoiceFrom which molecule does a plant get most of its mass?carbon dioxidewatersunlightsoil
- 13. Multiple ChoiceWhich of the following is considered a waste product of photosynthesis?glucoseoxygencarbon dioxidesunlight
- 14. Multiple ChoiceAnimal cells do not have chloroplasts.TRUEFALSE
- 15. Multiple ChoiceChloroplasts are organelles found in leaves.TRUEFALSE
- 16. Multiple Choice
Which pigment absorbs blue light at the highest percentage?
Chlorophyll a
Chlorophyll b
Carotenoids
- 17. Multiple Choice
Which pigment absorbs green light?
Chlorophyll a
Chlorophyll b
Carotenoids
- 18. Multiple Choice
Which pigment reflects orange and red light?
Chlorophyll a
Chlorophyll b
Carotenoids
- 19. Multiple Choice
Which pigment absorbs orange and red light at the highest percentage?
Chlorophyll a
Chlorophyll b
Carotenoids
- 20. Multiple Choice
What form of energy is glucose?
light
chemical
heat
movement
- 21. Multiple Choice
What is an organism that can make its own food?
animal
plant
- 22. Multiple Choice
What is an organism that cannot make its own food?
animal
plant
- 23. Multiple Choice
What is a sugar (SOM) that is an important energy source in living organisms?
starch
cellulose
glucose
protein
- 24. Multiple Choice
Which gas is released during photosynthesis?
oxygen
nitrogen
carbon dioxide
- 25. Multiple Choice
Which of the following are products of photosynthesis?
carbon dioxide
oxygen
water
glucose
- 26. Multiple Choice
Which of the following are reactants of photosynthesis?
carbon dioxide
water
oxygen
glucose
- 27. Multiple Choice
In which part of the plant does photosynthesis occur?
Leaves
Roots
Stem
- 28. Multiple Choice
Where does most of the mass of a plant come from?
carbon dioxide from the air
nitrates from the soil
Water
Sun
- 29. Multiple Choice
Plants store energy in which of the following large organic molecules?
starch
glucose
cellulose
- 30. Multiple Choice
Plants parts such as leaves and stems are made up of which of the following large organic molecules?
starch
glucose
cellulose
- 31. Multiple Choice
Which of the following equations represents the overall chemical reaction for photosynthesis?
6O2+ 6H2O → C6H12O6+ 6O2
C6H12O6 + 6H2O→ 6O2+ 6O2
6CO2+ 6H2O→ C6H12O6+ 6O2
6O2 + 6H2O→ C6H12O6 + 6CO2
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