The process plants use to convert light energy to chemical energy is called:

• Cellular respiration

• Photosynthesis

• Fermentation

• Glycolysis

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The original source of energy for all life on Earth is:

• Inorganic molecules

• Organic molecules

• Sun

• Air

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Which of the following organisms CANNOT make their own food from sunlight through photosynthesis?

• Photosynthetic bacteria

• Animals

• Plants

• Algae

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What three inputs/reactants are required for photosynthesis?

• Sunlight + carbon dioxide + oxygen

• Sunlight + carbon dioxide + water

• Carbon dioxide + oxygen + water

• Sunlight + oxygen + water

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The outputs/products of photosynthesis are:

• Glucose + carbon dioxide

• Glucose + sunlight

• Oxygen + carbon dioxide

• Glucose + oxygen

The organelle that plant cells use to convert sunlight to glucose is the:

• Central vacuole

• Chloroplast

• Granum

• Stroma

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Autotrophs are organisms that:

• Must eat plants and/or animals for energy

• Can survive without energy

• Get energy from sunlight

• Get energy from bacteria

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Heterotrophs are organisms that:

• Must eat plants and/or animals for energy

• Can survive without energy

• Get energy from sunlight

• Get energy from bacteria

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Chlorophyll is the main pigment in chloroplasts and absorbs light energy to perform photosynthesis. Which of the following wavelengths of light does chlorophyll NOT absorb?

• Violet

• Blue

• Green

• Red

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Inside chloroplasts are individual sacs arranged in stacks. The individual sacs are called:

• Chlorophyll

• Carotenoids

• Thylakoid

• Stroma