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Flashcards on Biology: Photosynthesis
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What is photosynthesis?
A process used by plants to convert sunlight, carbon dioxide, and water into glucose and oxygen.
What are the two main stages of photosynthesis?
Light-dependent reactions and light-independent reactions (Calvin cycle).
Which organelle is responsible for photosynthesis in plants?
Chloroplasts.
What is the primary pigment involved in photosynthesis?
Chlorophyll.
What is the chemical equation for photosynthesis?
6 CO2 + 6 H2O → C6H12O6 + 6 O2
During the light-dependent reactions, what molecule is split to release oxygen?
Water (H2O).
What is the main function of the light-independent reactions (Calvin cycle)?
To convert carbon dioxide into glucose.
Where does photosynthesis primarily occur in plants?
In the leaves, specifically in the chloroplasts of mesophyll cells.
What are the three factors that can affect the rate of photosynthesis?
Light intensity, carbon dioxide concentration, and temperature.
What is the purpose of photosynthesis in the ecosystem?
To convert solar energy into chemical energy that can be used by organisms.
What is the role of ATP in photosynthesis?
ATP provides energy for the light-independent reactions (Calvin cycle).
What is the relationship between photosynthesis and cellular respiration?
Photosynthesis produces glucose and oxygen, which are needed for cellular respiration.
What are the end products of photosynthesis?
Glucose (C6H12O6) and oxygen (O2).
What are the reactants of photosynthesis?
Carbon dioxide (CO2) and water (H2O).
What is the role of stomata in photosynthesis?
Stomata allow for the exchange of gases, including carbon dioxide needed for photosynthesis.
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Test Your Knowledge
What is the process used by plants to convert sunlight, carbon dioxide, and water into glucose and oxygen?
Photosynthesis
Cellular respiration
Transpiration
Fermentation
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Which organelle is responsible for photosynthesis in plants?
Mitochondria
Chloroplasts
Nucleus
Endoplasmic reticulum
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The reactants of photosynthesis include:
Glucose and water
Carbon dioxide and water
Hydrogen peroxide and oxygen
Bicarbonate and oxygen
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What are the two main stages of photosynthesis?
Chlorophyll synthesis and sugar production
Light-dependent reactions and light-independent reactions
Glycolysis and citric acid cycle
DNA replication and protein synthesis
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During photosynthesis, light energy is absorbed by:
Mitochondria
Chlorophyll
Nucleus
Lysosomes
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Which molecule is split during the light-dependent reactions of photosynthesis to release oxygen?
Water
Carbon dioxide
Glucose
ATP
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Where does photosynthesis primarily occur in plants?
Stems
Leaves
Roots
Flowers
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The purpose of photosynthesis in the ecosystem is to:
Convert solar energy into chemical energy that can be used by organisms
Convert chemical energy into solar energy
Produce oxygen for aquatic organisms
Absorb carbon dioxide from the atmosphere
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What are the three factors that can affect the rate of photosynthesis?
Light intensity, carbon dioxide concentration, and temperature
Air pressure, humidity, and wind speed
pH level, salinity, and precipitation
Latitude, longitude, and altitude
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What is the role of stomata in photosynthesis?
Absorption of sunlight
Exchange of gases, including carbon dioxide needed for photosynthesis
Production of glucose
Transportation of water
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