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Biochemical Pathways Questions - All Grades

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Grade 9 Biochemical Pathways
Grade 9 Biochemical Pathways
Which of the following are typically products of cellular respiration?
  1. carbon dioxide and water
  2. oxygen and carbon dioxide
  3. water and glucose
  4. glucose and oxygen
Grade 9 Biochemical Pathways
Which of the following are typically products of photosynthesis?
  1. oxygen and carbon dioxide
  2. glucose and oxygen
  3. carbon dioxide and water
  4. water and glucose
Grade 8 Biochemical Pathways
Which of the following statements correctly describes a primary distinction between respiration and photosynthesis?
  1. Photosynthesis needs oxygen, while respiration needs water
  2. Photosynthesis needs carbon dioxide, while respiration needs oxygen and sugars
  3. Photosynthesis makes oxygen, while respiration makes water
  4. Photosynthesis makes water, while respiration makes carbon dioxide
Grade 9 Biochemical Pathways
Which of the following correctly describes the purpose of photosynthesis?
  1. To release energy by decomposing glucose
  2. To store energy in the form of carbon dioxide
  3. To use sunlight energy to make sugars
  4. To create water for hydration
Grade 9 Biochemical Pathways
Grade 8 Biochemical Pathways
Which chemical process happens in cells releasing energy?
  1. respiration
  2. photosynthesis
  3. breathing
  4. exercise
Grade 8 Biochemical Pathways
Which of the following correctly represents the word equation for the process of respiration?
  1. oxygen + carbon dioxide -> water + glucose
  2. water + carbon dioxide -> oxygen + glucose
  3. carbon dioxide + glucose -> water + oxygen
  4. oxygen + glucose -> water + carbon dioxide
Grade 8 Biochemical Pathways
Which of the following correctly lists the products of respiration?
  1. water + carbon dioxide
  2. oxygen + water
  3. glucose + carbon dioxide
  4. glucose + oxygen
Grade 9 Biochemical Pathways
Grade 8 Biochemical Pathways
Which word equation correctly represents photosynthesis?
  1. carbon dioxide + oxygen -> glucose + water
  2. carbon dioxide + water -> glucose + oxygen
  3. oxygen + glucose -> carbon dioxide + water
  4. water + oxygen -> glucose + carbon dioxide
Grade 8 Biochemical Pathways
Why do plants generate starch from glucose?
  1. So the plant can use it to make chloroplasts
  2. So it can be stored for later
  3. because plants use it for photosynthesis
  4. because plants use it for respiration
Grade 9 Biochemical Pathways
Photosynthesis is an instance of
  1. homeostasis
  2. reproduction
  3. metabolism
  4. growth & development
  5. cell structure
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
Which of the following is not a part of cellular respiration?
  1. Glycolysis
  2. The Calvin Cycle
  3. The electron transport chain
  4. The Krebs Cycle
Grade 7 Biochemical Pathways
Grade 10 Biochemical Pathways
Which of the following correctly summarizes cellular respiration?
  1. [math]6 O_2 + C_6H_12O_6 = 6 CO_2 + 6 H_2O + "energy"[/math]
  2. [math]6 CO_2 + C_6H_12O_6 + "energy" = 6 CO_2 + 6 H_2O[/math]
  3. [math]6 CO_2 + 6 H_2O = 6 O_2 + C_6H_6O_6 + "energy"[/math]
  4. [math]6 CO_2 + 6 H_2O + "energy" = 6 O_2 + C_6H_12O_6[/math]
Grade 9 Biochemical Pathways
These are the energy-storing molecules of photosynthesis:
  1. ADP and NADP
  2. ATP and NADPH
  3. Carbon Dioxide and Water
  4. Light and Glucose
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