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Chemistry Questions - All Grades

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Grade 9 Biochemical Pathways
Grade 9 Biochemical Pathways
Which 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 are typically products of photosynthesis?
  1. oxygen and carbon dioxide
  2. glucose and oxygen
  3. carbon dioxide and water
  4. water and glucose
Grade 9 Biochemical Pathways
Which 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
Which most accurately describes the purpose of cellular respiration?
  1. to decompose glucose into energy that can be used for cellular functions
  2. to decompose usable energy into smaller parts
  3. to decompose different types of substances to be used to construct other parts of the cell
  4. all of the above
Grade 7 Acids and Bases
Grade 9 Biochemical Pathways
Grade 11 Biochemical Pathways
Grade 10 Macromolecules
An organic compound made of sugar molecules is a
  1. carbohydrate.
  2. lipid.
  3. protein.
  4. nucleic acid.
Grade 9 Macromolecules
Phospholipids are the primary component of
  1. cell membranes.
  2. cell walls.
  3. ribosomes.
  4. steroids.
Grade 10 Macromolecules
An enzyme speeds up a reaction by
  1. absorbing energy.
  2. lowering the activation energy.
  3. raising the activation energy.
  4. releasing energy.
Grade 10 Acids and Bases
Which of the following represents an acid-base neutralization reaction?
  1. [math]AgCl + Na rarr NaCl + Ag[/math]
  2. [math]CH_3COOH + CH_3CH_2OH rarr CH_3COOCH_3CH_2 + H_2O[/math]
  3. [math]2H_3PO_4 + 6LiOH rarr 2Li_3PO_4 + 6H_2O[/math]
  4. None of the above
Grade 10 Macromolecules
What type of macromolecules are the enzymes found in our bodies?
  1. lipids
  2. carbohydrates
  3. proteins
  4. nucleic acids
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