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Tenth Grade (Grade 10) Biochemical Pathways Questions

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Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
What are the products of cellular respiration?
  1. Carbon dioxide
  2. Water
  3. Energy
  4. All of the above
Grade 10 Biochemical Pathways
Oxygen is released during what part of photosynthesis?
  1. Light Reactions
  2. Calvin Cycle
  3. Kreb's Cycle
  4. Glycolysis
Grade 10 Biochemical Pathways
Which of these best describes the process of cellular respiration?
  1. Occur only in animals
  2. Perform only by the ones who can't do photosynthesis
  3. Occur in all organisms
  4. Converts chemical energy in food to usable energy (ATP) in all organisms
Grade 10 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 10 Biochemical Pathways
What do both plants and animals use oxygen for?
  1. respiration
  2. breathing
  3. photosynthesis
  4. transpiration
Grade 10 Biochemical Pathways
What are the stages of cellular respiration?
  1. glycolysis
  2. krebs cycle
  3. electron transport
  4. all of these
Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
The most important role of pigments in photosynthesis is to                                    .
  1. capture light energy
  2. store energy
  3. screen out harmful ultraviolet rays
  4. catalyze the hydrolysis of water
Grade 10 Biochemical Pathways
Most of the oxygen in our atmosphere is present due to                                                .
  1. The light dependent reactions of photosynthesis
  2. The Kreb's Cycle
  3. Glycolysis
  4. The Calvin Cycle
  5. Fermentation
Grade 10 Biochemical Pathways
Which of these are the product of photosynthesis?
  1. Carbon dioxide and water
  2. Oxygen and glucose
  3. Water, carbon dioxide, and ATP
  4. ATP and water
Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
What are the reactants of cellular respiration?
  1. Glucose and oxygen
  2. Oxygen and carbon dioxide
  3. Water and oxygen
  4. Glucose and carbon dioxide
Grade 10 Biochemical Pathways
What pigment is present in leaves to trap sunlight?
  1. chloroplast
  2. stomata
  3. xanthophyll
  4. chlorophyll
Grade 10 Biochemical Pathways
Grade 10 Biochemical Pathways
What is cellular respiration?
  1. The breakdown of glucose molecules to release energy
  2. Takes place in all living organisms
  3. Is a step by step process
  4. All of the above
Grade 10 Biochemical Pathways
[math]ENERGY+6CO_2+6H_2OrarrC_6H_12O_6+6O_2[/math]

The formula above gives the overall products and reactants for what process?
  1. photosynthesis
  2. cellular respiration
  3. cellular transport
  4. the Kreb's cycle
  5. the Calving cycle
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