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Questions and Answers
Which of the following is the primary pigment involved in photosynthesis?
Which of the following is the primary pigment involved in photosynthesis?
Heterotrophs can produce their own food through photosynthesis.
Heterotrophs can produce their own food through photosynthesis.
False (B)
Briefly describe the role of sunlight in photosynthesis.
Briefly describe the role of sunlight in photosynthesis.
Sunlight provides the energy needed to power the process of photosynthesis.
Organisms that can produce their own food using sunlight are called ______.
Organisms that can produce their own food using sunlight are called ______.
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Match the following terms with their descriptions:
Match the following terms with their descriptions:
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Study Notes
Photosynthesis
- Photosynthesis is the process by which plants and some other organisms convert light energy into chemical energy in the form of sugars.
- Autotrophs are organisms that produce their own food using photosynthesis. Examples include plants, algae, and some bacteria.
- Heterotrophs are organisms, like animals and fungi, that cannot produce their own food and must consume other organisms or organic matter for energy.
Autotrophs vs. Heterotrophs
- Autotrophs are producers, meaning they make their own food.
- Heterotrophs are consumers, meaning they rely on other organisms for food.
Chlorophyll
- Chlorophyll is a green pigment found in chloroplasts of plants and algae.
- Chlorophyll absorbs light energy from the sun, primarily in the blue and red wavelengths.
Photosynthesis Equation
- Photosynthesis is summarized by the following equation: 6CO₂ + 6H₂O + light energy → C₆H₁₂O₆ + 6O₂ (Carbon dioxide + Water + Light energy → Glucose + Oxygen)
Expressing Photosynthesis
- Photosynthesis converts light energy to chemical energy stored in sugars.
- This energy is used by organisms for growth and other essential life processes.
How Organisms Use the Sun to Obtain Food
- Plants use chlorophyll to capture the sun's energy.
- This captured sunlight drives the chemical reactions in photosynthesis, producing food (sugars).
Energy from the Sun
- The sun is the primary source of energy for most life on Earth.
- Plants absorb sunlight to convert it into chemical energy through photosynthesis.
Trapping Sun's Energy
- Chlorophyll within plant cells absorbs sunlight.
- This absorbed light energy fuels the process of photosynthesis, enabling plants to synthesize their own food.
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Description
This quiz explores the process of photosynthesis, detailing the roles of autotrophs and heterotrophs, the importance of chlorophyll, and the photosynthesis equation. Understand how plants and certain organisms convert light energy into chemical energy. Test your knowledge on these fundamental concepts of biology.
