Photosynthesis & Cell Respiration

Photosynthesis is the process where:

• Plants turn green

• Plants make energy storage molecules

• Plants grow

• Plants make flowers

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Photosynthesis could not happen without

• The sun

• The ocean

• Their flowers

• Their stems

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The two REACTANTS of photosynthesis are

• Water and Carbon Dioxide

• Water and Oxygen

• Glucose and Oxygen

• Glucose and Water

The two PRODUCTS of photosynthesis are

• Water and Oxygen

• Water and Carbon Dioxide

• Glucose and Oxygen

• Glucose and Carbon Dioxide

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During photosynthesis, the energy from the sun is used to split water molecules into hydrogen and oxygen.

• True

• False

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Photosynthesis occurs in...

• Humans

• Animals

• Plants

• All of the above

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Why do humans NEED plants to survive?

• They produce water we drink

• We get energy storage molecules from them (or from things that eat them)

• We breathe the oxygen they release

• They absorb the carbon dioxide we release

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Where does photosynthesis occur?

• mitochondria
• stomata
• xylem
• chloroplast

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The main source of energy for all life comes from ____.

• the Earth
• the moon
• the sun
• the food we eat/make

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A student is collecting the gas given off from a plant in bright sunlight. The gas being collected is probably ________.

• oxygen
• carbon dioxide
• ATP
• glucose

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