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Fourth Grade (Grade 4) Biochemical Pathways Questions

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Grade 4 Biochemical Pathways
Plants take in                         and give off                        .
  1. carbon dioxide; oxygen
  2. helium; oxygen
  3. carbon dioxide; glucose
  4. oxygen; carbon dioxide
Grade 4 Biochemical Pathways
What provides the energy for photosynthesis to take place?
  1. air
  2. water
  3. sunlight
  4. soil
Grade 4 Biochemical Pathways
During photosynthesis, a plant makes sugar and oxygen.
  1. True
  2. False
Grade 4 Biochemical Pathways
What process does a plant use to produce plant sugars from water, carbon dioxide, and energy from sunlight?
  1. transpiration
  2. respiration
  3. photosynthesis
  4. condensation
Grade 4 Biochemical Pathways
What process breaks down sugars and releases energy in a plant?
  1. transpiration
  2. respiration
  3. photosynthesis
  4. calorie
Grade 4 Biochemical Pathways
What process do plants use to make food?
  1. mitosis
  2. photosynthesis
  3. digestion
  4. chlorophyll
Grade 4 Biochemical Pathways
How is energy stored during photosynthesis?
  1. stomata
  2. leaves
  3. plant sugars
  4. sunlight
Grade 4 Biochemical Pathways
Animals need                 to turn food into energy.
  1. oxygen
  2. food
  3. sunlight
  4. shapes
Grade 4 Biochemical Pathways
Animals breathe in oxygen and exhale carbon dioxide. Plants use the carbon dioxide and give off oxygen. This is called the
  1. food cycle.
  2. air cycle.
  3. bicycle.
  4. breathing cycle.
Grade 4 Biochemical Pathways
Where do plants make their food?
  1. roots
  2. leaves
  3. stamens
  4. stems
Grade 4 Biochemical Pathways
What do plants need to make food for themselves?
  1. sunlight, water, nutrients, and carbon dioxide
  2. sunlight, oxygen, sugar, and chloroplasts
  3. roots, stems, leaves, and flowers
  4. roots, soil, sugar, and chloroplasts
Grade 4 Biochemical Pathways
Sugar is the food that plants create to live.
  1. True
  2. False
Grade 4 Biochemical Pathways
Plants use oxygen to make food.
  1. True
  2. False
Grade 4 Biochemical Pathways
I am the process plants use to convert energy from the Sun to food. Who am I?                  photosynthesis                 
Grade 4 Biochemical Pathways
Plants give out          oxygen          when they make food. They give out                  carbon dioxide                  during respiration.
Grade 4 Biochemical Pathways
What does a plant need to carry out photosynthesis?
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