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Flashcards on Photosynthesis
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What is photosynthesis?
The process by which plants convert sunlight, water, and carbon dioxide into glucose and oxygen.
What are the two main reactants needed for photosynthesis?
Sunlight and carbon dioxide.
What are the two main products of photosynthesis?
Glucose and oxygen.
Where does photosynthesis occur in a plant cell?
In the chloroplasts, specifically in the chlorophyll-containing thylakoid membranes.
What is the role of chlorophyll in photosynthesis?
Chlorophyll absorbs light energy and converts it into chemical energy during photosynthesis.
What is the equation for photosynthesis?
6CO2 + 6H2O → C6H12O6 + 6O2
What type of energy is sunlight converted into during photosynthesis?
Chemical energy.
Which pigment is responsible for capturing sunlight in photosynthesis?
Chlorophyll.
What is the primary source of oxygen in the Earth's atmosphere?
Photosynthesis.
Why is photosynthesis important for life on Earth?
It provides oxygen for living organisms and is the basis for food chains.
What are the two stages of photosynthesis?
Light-dependent reactions and light-independent reactions (Calvin cycle).
What factors affect the rate of photosynthesis?
Light intensity, carbon dioxide concentration, and temperature.
In which organelle does photosynthesis occur?
Chloroplast.
What is the purpose of photosynthesis in plants?
To produce glucose as a source of energy for the plant.
What is the waste product of photosynthesis?
Oxygen.
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Test Your Knowledge
Which of the following is not a reactant in photosynthesis?
Glucose
Sunlight
Carbon dioxide
Water
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What is the primary pigment involved in photosynthesis?
Carotene
Chlorophyll
Melatonin
Hemoglobin
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Where does photosynthesis mainly occur in plants?
Stem
Roots
Leaves
Flowers
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What is the equation for photosynthesis?
CO2 + H2O → O2 + C6H12O6
6O2 + C6H12O6 → 6CO2 + 6H2O
6CO2 + 6H2O → C6H12O6 + 6O2
C6H12O6 + 6O2 → 6CO2 + 6H2O
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What is the purpose of photosynthesis in plants?
To absorb water from the soil
To produce glucose for energy
To dispose of excess oxygen
To obtain carbon dioxide
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What factors affect the rate of photosynthesis?
Humidity, wind speed, and pH level
Light intensity, carbon dioxide concentration, and temperature
Soil fertility, nitrogen content, and precipitation
Altitude, barometric pressure, and cloud cover
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Which organelle is responsible for photosynthesis?
Nucleus
Chloroplast
Mitochondria
Vacuole
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What is the waste product of photosynthesis?
Carbon dioxide
Oxygen
Glucose
Water
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Photosynthesis is important for maintaining the balance of which gas in the Earth's atmosphere?
Carbon dioxide
Methane
Oxygen
Nitrogen
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During photosynthesis, sunlight energy is converted into which form of energy?
Mechanical energy
Chemical energy
Thermal energy
Electrical energy
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