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Fifth Grade (Grade 5) Biochemistry Questions

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Grade 5 Biochemical Pathways
Which process produces carbon dioxide?
  1. photosynthesis
  2. cellular respiration
Grade 5 Biochemical Pathways
Plants change                and water into sugars.
  1. oxygen
  2. nutrients
  3. hydrogen
  4. carbon dioxide
Grade 5 Biochemical Pathways
How can living things obtain energy?
  1. by consuming water
  2. from the Sun
  3. by consuming other organisms
  4. both b and c
Grade 5 Biochemical Pathways
                 Photosynthesis                  is the process when plants produce their own food from the energy of the Sun by chemical reactions.
Grade 5 Biochemical Pathways
Plants need oxygen and a gas called                .
  1. carbon dioxide
  2. space
  3. iron
  4. hydrogen
Grade 5 Macromolecules
Tiny machines that glue, cut, copy and carry molecules in your body are called                .
  1. proteins
  2. properties
  3. carbohydrates
  4. glucose
Grade 5 Biochemical Pathways
The 3 things that plants need for photosynthesis is         water        ,           sunlight           , and                  carbon dioxide                 .
Grade 5 Macromolecules
What is the flavor and energy nutrient that comes from both plants and animals?
  1. Fat
  2. Protein
  3. Flavor
  4. Respiration
Grade 5 Biochemical Pathways
Photosynthesis is the process by which                 make their own food.
  1. consumers
  2. producers
Grade 5 Biochemical Pathways
What does photosynthesis produce?
  1. oxygen and glucose
  2. water and sugar
  3. oxygen and proteins
Grade 5 Biochemical Pathways
The process plants use to capture the energy in sunlight to help them make food is called                .
  1. reproduction
  2. composition
  3. photosynthesis
  4. agriculture
Grade 5 Biochemical Pathways
What do plants need to make energy?
  1. sunlight
  2. carbon dioxide (CO2)
  3. water
  4. chlorophyll
  5. all of the above
  6. none of the above
Grade 5 Biochemical Pathways
During photosynthesis, what do plants give out?
  1. water
  2. oxygen
  3. carbon dioxide
  4. all of the above
Grade 5 Biochemical Pathways
What are the products of photosynthesis?
  1. sugar and oxygen
  2. water and carbon dioxide
  3. energy and sunlight
  4. starch and waste products
Grade 5 Biochemical Pathways
Which process do most cells use to get energy?
  1. digestion
  2. excretion
  3. respiration
  4. photosynthesis
Grade 5 Biochemical Pathways
                is what we breathe and we cannot live without it.
  1. Carbon dioxide
  2. Oxygen
  3. Nitrogen
  4. Helium
Grade 5 Biochemical Pathways
What do producers need in order for photosynthesis to happen?
  1. sunlight, food, soda pop
  2. water, sunlight, carbon dioxide
  3. Oxygen, darkness, carbon dioxide
  4. water, darkness, big leaves
Grade 5 Biochemical Pathways
                from the air passes through small pores (holes) in the leaves.
  1. Oxygen
  2. Methane
  3. Carbon dioxide
  4. Helium
Grade 5 Biochemical Pathways
When a plant releases energy from the food it makes, this process is called?
  1. Breathing
  2. Produce Energy
  3. Respiration
  4. Glucose
Grade 5 Biochemical Pathways
What do you call the process that most cells use to GET ENERGY?
  1. digestion
  2. excretion
  3. respiration
  4. photosynthesis
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