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Fourth Grade (Grade 4) Biochemistry Questions

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Grade 4 Biochemical Pathways
Plants take in                          and give out                         .
  1. carbon dioxide / oxygen
  2. helium / oxygen
  3. carbon dioxide / glucose
  4. oxygen / carbon dioxide
Grade 4 Biochemical Pathways
What process do plants use to make food?
  1. Mitosis
  2. Photosynthesis
  3. Digestion
  4. Chlorophyll
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
Which process produces CO2?
  1. photosynthesis
  2. cellular respiration
Grade 4 Biochemical Pathways
What is the process that a plant uses to produce plant sugars from water, carbon dioxide, and energy from the sunlight?
  1. Transpiration
  2. Respiration
  3. Photosynthesis
  4. Condensation
Grade 4 Biochemical Pathways
What is the process that breaks down sugars and releases energy in a plant?
  1. Transpiration
  2. Respiration
  3. Photosynthesis
  4. Calorie
Grade 4 Biochemical Pathways
During photosynthesis a plant makes sugar and oxygen.
  1. True
  2. False
Grade 4 Biochemical Pathways
Where do plants make their food?
  1. Roots
  2. Leaves
  3. Stamin
  4. Stem
Grade 4 Biochemical Pathways
Animals need                 to turn food into energy.
  1. oxygen
  2. food
  3. sunlight
  4. shapes
Grade 4 Biochemical Pathways
What do plants need to make food for themselves?
  1. Sun light, water, nutrients, and carbon dioxide
  2. Sun light, oxygen, sugar, and chloroplasts
  3. Roots, stems, leaves, and flowers
  4. Roots, soil, sugar, and chloroplasts
Grade 4 Biochemical Pathways
What is energy stored as during photosynthesis?
  1. stomata
  2. leaves
  3. plant sugars
  4. sunlight
Grade 4 Macromolecules
Tiny machines that glue, cut, copy and carry molecules in your body are called                .
  1. proteins
  2. properties
  3. carbohydrates
  4. glucose
Grade 4 Biochemical Pathways
Sugar is the food that plants create to stay alive.
  1. True
  2. False
Grade 4 Biochemical Pathways
Animals breathe in oxygen and exhale carbon dioxide. Plants use the carbon dioxide and make oxygen. This is called the                .
  1. food cycle
  2. air cycle
  3. bicycle
  4. breathing cycle
Grade 4 Macromolecules
What is the flavor and energy nutrient that comes from both plants and animals?
  1. Fat
  2. Protein
  3. Flavor
  4. Respiration
Grade 4 Biochemical Pathways
Plants use oxygen to make food.
  1. True
  2. False
Grade 4 Biochemical Pathways
Plants give out          oxygen          when they make food. They give out                  carbon dioxide                  during respiration.
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
What does a plant need to carry out photosynthesis?
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