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Biochemical Pathways Questions - All Grades

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Grade 9 Biochemical Pathways
The process carried out by yeast that causes bread dough to rise is called
  1. alcoholic fermentation
  2. cellular respiration
  3. lactic acid fermentation
  4. mitosis
Grade 9 Biochemical Pathways
Photosynthesis is the process in which a plant
  1. converts sunlight to chemical energy
  2. utilizes carbon dioxide and releases oxygen
  3. produces a sugar called glucose
  4. all of the above
Grade 9 Biochemical Pathways
Grade 9 Biochemical Pathways
The process that obtains energy from food when oxygen is present is
  1. cellular respiration
  2. ATP synthase
  3. photosynthesis
  4. anaerobic respiration
Grade 7 Biochemical Pathways
Grade 9 Biochemical Pathways
What is the type of anaerobic respiration that humans perform?
  1. Diffusion
  2. Lactic Acid Fermentation
  3. Alcoholic Fermentation
  4. Aerobic Fermentation
Grade 9 Biochemical Pathways
Which type of cellular respiration has Krebs Cycle as one of its steps?
  1. Anerobic Respiration
  2. Kreb Respiration
  3. Photosynthesis
  4. Aerobic Respiration
Grade 9 Biochemical Pathways
The electron transport chain uses the high-energy electrons from the Krebs cycle to
  1. make glucose
  2. convert glucose to pyruvic acid
  3. concert pyruvic acid to citric acid
  4. move [math]"H"^"+"[/math] ions across the inner mitochondrial membrane
  5. convert ADP into ATP
Grade 9 Biochemical Pathways
Which process converts nitrogen gas into a solid?
  1. Conjugation
  2. Sublimation
  3. Nitrogen fixation
  4. Condensation
Grade 9 Biochemical Pathways
The elements or compounds produced by a chemical reaction are called
  1. reactants
  2. catalysts
  3. products
  4. activation energies
Grade 8 Biochemical Pathways
What is the difference between photosynthesis and cellular respiration?
  1. Photosynthesis needs oxygen, Respiration needs water
  2. Photosynthesis needs carbon dioxide, Respiration needs oxygen and sugars
  3. Photosynthesis makes oxygen, Respiration makes water
  4. Photosynthesis makes water, Respiration makes carbon dioxide
Grade 9 Biochemical Pathways
What is the main difference between aerobic and anaerobic respiration?
  1. Anaerobic respiration requires oxygen
  2. Aerobic respiration requires oxygen
  3. Aerobic respiration requires carbon dioxide
  4. Anaerobic respiration requires carbon dioxide
Grade 11 Biochemical Pathways
__ is the primary source of food for most cells.
  1. sucrose
  2. cellulose
  3. PGAL
  4. glucose
Grade 9 Biochemical Pathways
What is the step in aerobic respiration that is also necessary in anaerobic respiration?
  1. Glycolysis
  2. Prep Step
  3. Krebs Cycle
  4. Oxidated Phosphorylation
Grade 9 Biochemical Pathways
Grade 9 Biochemical Pathways
When fermentation occurs in the absence of oxygen, it is
  1. aerobic
  2. cyclic
  3. anaerobic
  4. oxygen-rich
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 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 6 Biochemical Pathways
Photosynthesis requires both                          to occur.
  1. sugar and oxygen
  2. water and carbon dioxide
  3. oxygen and water
  4. water and energy
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