PHOTOSYNTHESIS AND CELLULAR RESPIRATION
OVERVIEW |COMPLETE STUDY GUIDE WITH 100%
ACCURATE QUESTIONS & ANSWERS | ACE EVERY TEST |
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Photosynthesis Answer: Process using sunlight to synthesize sugars.
Respiration Answer: Process extracting energy from organic compounds.
Chloroplast Answer: Organelle where photosynthesis occurs in plants.
Mitochondria Answer: Organelle responsible for cellular respiration.
Redox Reactions Answer: Chemical reactions transferring electrons between reactants.
Oxidation Answer: Loss of electrons by a substance.
Reduction Answer: Gain of electrons by a substance.
Endergonic Process Answer: Reaction requiring energy input, like photosynthesis.
Exergonic Process Answer: Reaction releasing energy, like cellular respiration.
Thylakoid Answer: Structural unit of chloroplasts for photosynthesis.
Grana Answer: Stacks of thylakoids in chloroplasts.
Stroma Answer: Fluid-filled space inside chloroplasts.
Light Reactions Answer: Photosynthesis phase converting light energy to chemical energy.
Dark Reactions Answer: Calvin Cycle; synthesizes sugars without light.
Autotrophs Answer: Organisms producing their own food, like plants.
Heterotrophs Answer: Organisms obtaining energy from consuming others.
General Formula for Photosynthesis Answer: 6 CO2 + 6 H2O → C6H12O6 + 6 O2.
General Formula for Cellular Respiration Answer: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O +
ATP.
Oxygen Production Answer: Byproduct of photosynthesis essential for aerobic life.
Carbon Dioxide Consumption Answer: Photosynthesis reduces atmospheric CO2 levels.
Photosynthetic Pigments Answer: Molecules capturing light energy for photosynthesis.
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, Chemical Bond Energy Answer: Energy stored in molecular bonds, released during
respiration.
Photosynthesis Importance Answer: Provides oxygen, food, and energy for life.
Evolution of Aerobic Respiration Answer: Dependent on oxygen produced by photosynthesis.
Photon Answer: Energy unit of light moving in waves.
Wavelength Answer: Distance between consecutive peaks of a wave.
Energy-Wavelength Relationship Answer: Longer wavelengths have lower energy; shorter
wavelengths have higher energy.
Visible Light Answer: Spectrum of light between ultraviolet and infrared.
Chlorophyll a Answer: Primary pigment in photosynthesis, absorbs blue and red light.
Chlorophyll b Answer: Accessory pigment aiding chlorophyll a in photosynthesis.
Accessory Pigments Answer: Absorb different wavelengths, enhancing photosynthesis
efficiency.
Absorption Spectrum Answer: Graph showing light wavelengths absorbed by chlorophyll a.
Action Spectrum Answer: Graph showing photosynthesis rate across different light
wavelengths.
Fluorescence Answer: Afterglow emitted when excited electrons return to ground state.
Ground State Answer: Stable energy state of an electron in a pigment.
Excited State Answer: Unstable state when a pigment absorbs light energy.
Electron Carriers Answer: Molecules transporting high-energy electrons in cells.
NADP+ Answer: Carrier molecule accepting two high-energy electrons and H+.
NADPH Answer: Reduced form of NADP+, carries high-energy electrons.
Granum Answer: Stack of thylakoids within chloroplasts.
Chloroplast Answer: Organelle where photosynthesis occurs in plant cells.
Light Absorption Answer: Process of pigments capturing light energy for photosynthesis.
Transmitted Light Answer: Light that passes through a substance without absorption.
Reflected Light Answer: Light that bounces off a surface, not absorbed.
Photosystem II Answer: A photosystem involved in light reactions.
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OVERVIEW |COMPLETE STUDY GUIDE WITH 100%
ACCURATE QUESTIONS & ANSWERS | ACE EVERY TEST |
GUARANTEED EXCELLENCE.
Photosynthesis Answer: Process using sunlight to synthesize sugars.
Respiration Answer: Process extracting energy from organic compounds.
Chloroplast Answer: Organelle where photosynthesis occurs in plants.
Mitochondria Answer: Organelle responsible for cellular respiration.
Redox Reactions Answer: Chemical reactions transferring electrons between reactants.
Oxidation Answer: Loss of electrons by a substance.
Reduction Answer: Gain of electrons by a substance.
Endergonic Process Answer: Reaction requiring energy input, like photosynthesis.
Exergonic Process Answer: Reaction releasing energy, like cellular respiration.
Thylakoid Answer: Structural unit of chloroplasts for photosynthesis.
Grana Answer: Stacks of thylakoids in chloroplasts.
Stroma Answer: Fluid-filled space inside chloroplasts.
Light Reactions Answer: Photosynthesis phase converting light energy to chemical energy.
Dark Reactions Answer: Calvin Cycle; synthesizes sugars without light.
Autotrophs Answer: Organisms producing their own food, like plants.
Heterotrophs Answer: Organisms obtaining energy from consuming others.
General Formula for Photosynthesis Answer: 6 CO2 + 6 H2O → C6H12O6 + 6 O2.
General Formula for Cellular Respiration Answer: C6H12O6 + 6 O2 → 6 CO2 + 6 H2O +
ATP.
Oxygen Production Answer: Byproduct of photosynthesis essential for aerobic life.
Carbon Dioxide Consumption Answer: Photosynthesis reduces atmospheric CO2 levels.
Photosynthetic Pigments Answer: Molecules capturing light energy for photosynthesis.
APPHIA – Crafted with Care and Precision for Academic Excellence.
1
, Chemical Bond Energy Answer: Energy stored in molecular bonds, released during
respiration.
Photosynthesis Importance Answer: Provides oxygen, food, and energy for life.
Evolution of Aerobic Respiration Answer: Dependent on oxygen produced by photosynthesis.
Photon Answer: Energy unit of light moving in waves.
Wavelength Answer: Distance between consecutive peaks of a wave.
Energy-Wavelength Relationship Answer: Longer wavelengths have lower energy; shorter
wavelengths have higher energy.
Visible Light Answer: Spectrum of light between ultraviolet and infrared.
Chlorophyll a Answer: Primary pigment in photosynthesis, absorbs blue and red light.
Chlorophyll b Answer: Accessory pigment aiding chlorophyll a in photosynthesis.
Accessory Pigments Answer: Absorb different wavelengths, enhancing photosynthesis
efficiency.
Absorption Spectrum Answer: Graph showing light wavelengths absorbed by chlorophyll a.
Action Spectrum Answer: Graph showing photosynthesis rate across different light
wavelengths.
Fluorescence Answer: Afterglow emitted when excited electrons return to ground state.
Ground State Answer: Stable energy state of an electron in a pigment.
Excited State Answer: Unstable state when a pigment absorbs light energy.
Electron Carriers Answer: Molecules transporting high-energy electrons in cells.
NADP+ Answer: Carrier molecule accepting two high-energy electrons and H+.
NADPH Answer: Reduced form of NADP+, carries high-energy electrons.
Granum Answer: Stack of thylakoids within chloroplasts.
Chloroplast Answer: Organelle where photosynthesis occurs in plant cells.
Light Absorption Answer: Process of pigments capturing light energy for photosynthesis.
Transmitted Light Answer: Light that passes through a substance without absorption.
Reflected Light Answer: Light that bounces off a surface, not absorbed.
Photosystem II Answer: A photosystem involved in light reactions.
APPHIA – Crafted with Care and Precision for Academic Excellence.
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