Photosynthesis Vocab

Photosynthesis occurs inside of which organelle? Remember that an organelle is a part of a cell.

• chloroplast

• cell wall

• mitochondria

• ribosomes

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What is transformed into chemical energy during photosynthesis?

• oxygen

• sound energy

• light energy

• glucose

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Organisms that make their own food through photosynthesis are called

• autotrophs

• heterotrophs

• troposphere

• decompose

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How do plants get the carbon dioxide they need for photosynthesis?

• it is produced in a chemical reaction inside the chloroplasts

• it enters their leaves from the atmosphere

• it enters their roots from the soil

• it is produced inside mitochondria

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In addition to carbon dioxide, ____ is a reactant of photosynthesis. This means that this substance is required for photosynthesis to happen.

• oxygen

• glucose

• carbon monoxide

• water

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What do plants do with most of the oxygen produced in photosynthesis?

• They use it to make more glucose

• They release oxygen into the atmosphere

• They release oxygen into the soil

• They use the oxygen to make carbon dioxide

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Why is photosynthesis important to plants?

• it prevents the buildup of too much water

• it produces the carbon dioxide they need

• it breaks down a simple sugar into energy for their cells

• it produces a simple sugar they need for energy for things like cellular respiration

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Photosynthesis is important to animals because it releases

• oxygen, which animals breathe

• carbon dioxide, which animals breathe

• water, which animals drink

• the sun's energy

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Animals, including humans,

• do not need glucose

• make their own glucose

• get glucose from the food they eat

• get glucose from the sun's energy

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True or false? Photosynthesis is an important part of the carbon cycle.

• true

• false

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