Chapter 8

What is the green pigment that "traps" sunlight?

• Chlorophyll

• Chloroplasts

• Photosynthesis

• ATP

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Plants need ________ to conduct photosynthesis

• Oxygen

• Soil

• Carbon dioxide

• Sugar

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How does most of the water needed by the plant get into its leaves?

• It enters through the stomata

• The roots absorb it and then it travels up the xylem

• It's made during a chemical reaction in the stem

• The flowers capture water and deliver it to the leaves

Why do plants conduct photosynthesis?

• To make light
• To make mitochondria
• To make glucose
• To release carbon dioxide

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Which organelle in the plant cell performs photosynthesis?

• Chloroplast
• Mitochondria
• Nucleus
• Cytoplasm

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What are the products of photosynthesis (what is made)?

• Glucose and Chlorophyll
• Glucose and Oxygen
• Water and Light
• Carbon dioxide and Water

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What is the source of energy for photosynthesis?

• Carbohydrates (chemical energy)
• Light (radiant energy)
• Heat (thermal energy)
• Wind (kinetic energy)

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Which choice correctly shows the gases that enter and exit plants during photosynthesis?

• Enter: Oxygen
  Exit: Carbon dioxide
• Enter: Water vapor
  Exit: Glucose
• Enter: Carbon dioxide
  Exit: Oxygen
• Enter: Light
  Exit: Water vapor

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What process occurs when light energy is captured in autotrophs and converted into sugar?

• Photosynthesis
• Cellular Respiration

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What gas  do plants give off after conducting photosynthesis that humans/animals need in order to live?

• Oxygen
• Carbon
• Nitrogen
• Hydrogen

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