Photosynthesis Brings Energy & Matter Living Systems BSCS Ch 8

What is the primary way energy and matter get into organisms?

• Fermentation

• Photosynthesis

• Digestion

• Cellular respiration

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Which organisms carry out photosynthesis?

• Fungi and algae

• Plants, algae, and some eubacteria

• Only eubacteria

• All animals

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What is the role of chlorophyll in photosynthesis?

• It reflects all colors of light

• It absorbs light energy

• It produces carbon dioxide

• It converts ATP into sugar

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What are the products of the first phase of photosynthesis?

• Carbon dioxide and water

• Glucose and fructose

• ATP and NADPH

• Carbohydrates and oxygen

From what source do photosynthetic organisms obtain carbon to build carbohydrates?

• Soil

• Water

• Sunlight

• Air

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What type of energy do plants convert into chemical energy?

• Kinetic energy

• Thermal energy

• Mechanical energy

• Solar energy

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Which part of the light spectrum is used in photosynthesis?

• Only infrared light

• Certain wavelengths of visible light

• Only ultraviolet light

• All wavelengths of light

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What is the significance of the green color in most plants?

• It is just a characteristic feature with no significance

• It indicates the plant is young

• It reflects green light and absorbs other colors

• It helps in absorbing more sunlight

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