Introduction to Photosynthesis

Why are many plants green?

• plant cells are green

• plants absorb green light

• chlorophyll reflects green light

• rigid cell walls are green

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Chloroplasts are...

• A type of pigment used for photosynthesis

• The location inside a plant cell where photosynthesis happens

• The location where cellular respiration happens

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What do plants give off after photosynthesis?

• hydrogen

• Oxygen

• nitrogen

• carbon

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Plants need ________from the air for photosynthesis

• carbon dioxide

• oxygen

• soil

• sugar

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The products of photosynthesis are

• water and carbon dioxide

• oxygen and water

• oxygen and sugar (glucose)

• sugar and cabon dioxide

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

• the Earth

• the sun

• the moon

• the food we eat/make

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What is the purpose of cellular respiration?

• to release energy from food

• there is none; it's a waste of tim

• to create energy in the body

• to break down food

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What is the correct equation for cellular respiration?

• 6O₂ + C₆H₁₂O₆ -> 6CO₂ + 6H₂O + Energy

• 6O₂ + C₆H₁₂O₆ + Energy -> 6CO₂ + 6H₂O

• 6CO₂ + 6H₂O + Energy -> 6O₂ + C₆H₁₂O₆

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Where does cellular respiration take place in the cell?

• Cell Membrane

• Mitochondria

• Nucleus

The products of cellular respiration

• CO2

• CO2, H2O, ATP

• CO2, H2O, glucose

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