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Seventh Grade (Grade 7) Biochemical Pathways Questions

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Grade 7 Biochemical Pathways
What are the products of photosynthesis?
  1. oxygen and sugars
  2. carbon dioxide and water
  3. carbon dioxide and sugars
  4. oxygen and water
Grade 7 Biochemical Pathways
Which compound is a reactant of photosynthesis?
  1. carbon dioxide
  2. oxygen
  3. water
  4. a and c
  5. all of the above
Grade 7 Biochemical Pathways
The process of plants making food is
  1. sunlight.
  2. respiration.
  3. water.
  4. photosynthesis.
Grade 7 Biochemical Pathways
Organisms use energy to
  1. move materials into and out of cells.
  2. make or break down food.
  3. build cells.
  4. all of the above
Grade 7 Biochemical Pathways
What is the series of chemical reactions that converts the energy in food molecules into ATP?
  1. cellular respiration
  2. photosynthesis
  3. diffusion
  4. facilitated diffusion
Grade 7 Biochemical Pathways
Which process does NOT produce ATP in humans?
  1. Krebs cycle
  2. Alcohol fermentation
  3. Lactic acid fermentation
  4. Glycolysis
Grade 7 Biochemical Pathways
What is the food that plants produce during photosynthesis?
  1. glucose
  2. chlorophyll
  3. chloroplasts
  4. carbon dioxide
Grade 7 Biochemical Pathways
Because fermentation takes place in the absence of oxygen, fermentation is
  1. aerobic.
  2. anaerobic.
  3. cyclic.
  4. oxygen-rich.
Grade 7 Biochemical Pathways
In addition to light and chlorophyll, photosynthesis requires
  1. water and oxygen.
  2. water and sugar.
  3. oxygen and carbon dioxide.
  4. water and carbon dioxide.
Grade 7 Biochemical Pathways
What is the series of chemical reactions that converts light energy, water, and CO₂ into the food-energy molecule glucose and gives off oxygen?
  1. cellular respiration
  2. photosynthesis
  3. passive transport
  4. active transport
Grade 7 Biochemical Pathways
What is the second stage of cell respiration?
  1. Calvin cycle
  2. Krebs cycle
  3. Glycolysis
  4. Election transport chain
Grade 7 Biochemical Pathways

This question is a part of a group with common instructions. View group »

Respiration is the process of breaking down food to release its energy.
  1. True
  2. False
Grade 7 Biochemical Pathways
Green plants, algae, and some bacteria need                  to produce food by photosynthesis.
  1. sunlight
  2. water
  3. carbon dioxide
  4. all of the above
Grade 7 Biochemical Pathways
How does photosynthesis help heterotrophs?
  1. It adds carbon dioxide to the air.
  2. It creates the food they eat.
  3. It eliminates harmful sugars.
  4. It creates clean water.
Grade 7 Biochemical Pathways
Most of a cell's ATP is produced
  1. in the aqueous fluid surrounding all cells.
  2. on the rough endoplasmic reticulum.
  3. in the mitochondria of a cell.
Grade 7 Biochemical Pathways
Which is NOT produced in the light-dependent reactions of photosynthesis?
  1. ATP
  2. hydrogen ions
  3. NADPH
  4. sugars
Grade 7 Biochemical Pathways
What is one way that carbon is NOT stored in the biosphere?
  1. atmosphere
  2. fossil fuels underground
  3. tissues of living organisms
  4. ozone
Grade 7 Biochemical Pathways
The metabolism of an organism includes activities such as
  1. making food.
  2. moving materials in and out of cells.
  3. building cells.
  4. all of the above
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