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Biochemistry Questions - All Grades

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Grade 7 Biochemical Pathways
The cell organelle where photosynthesis takes place is the                .
  1. cell wall
  2. nucleus
  3. vacuole
  4. chloroplast
Grade 10 Macromolecules
Polymers are built from smaller subunits called                .
  1. monomers
  2. macromolecules
  3. electrons
  4. neutrons
Grade 9 Macromolecules
Amino acids are the building blocks for                .
  1. carbohydrates
  2. DNA and RNA
  3. lipids
  4. proteins
Grade 5 Biochemical Pathways
What does photosynthesis produce?
  1. oxygen and glucose
  2. water and sugar
  3. oxygen and proteins
Grade 8 Biochemical Pathways
In what process do cells obtain energy from sugar molecules?
  1. photosynthesis
  2. nitrogen cycle
  3. respiration
  4. food chains
Grade 7 Biochemical Pathways
Photosynthesis takes place in the
  1. chloroplasts.
  2. mitochondria.
  3. nucleus.
  4. Golgi apparatus.
Grade 7 Macromolecules
What simple sugar is made during photosynthesis?
  1. water
  2. glycerine
  3. hydrogen
  4. glucose
Grade 5 Biochemical Pathways
During photosynthesis, what do plants give off?
  1. water
  2. oxygen
  3. carbon dioxide
  4. all of the above
Grade 7 Macromolecules
What category of organic molecule are sugars, starches, and fibers?
  1. calories
  2. proteins
  3. lipids
  4. carbohydrates
Grade 8 Biochemical Pathways
What are the products of photosynthesis?
  1. water [math](H_2O)[/math] and glucose [math](C_6H_12O_6)[/math]
  2. glucose [math](C_6H_12O_6)[/math] and carbon dioxide [math](CO_2)[/math]
  3. carbon dioxide [math](CO_2)[/math] and water [math](H_2O)[/math]
  4. glucose [math](C_6H_12O_6)[/math] and oxygen [math](O_2)[/math]
Grade 8 Biochemical Pathways
What are the reactants of cellular respiration?
  1. water [math](H_2O)[/math] and glucose [math](C_6H_12O_6)[/math]
  2. glucose [math](C_6H_12O_6)[/math] and carbon dioxide [math](CO_2)[/math]
  3. carbon dioxide [math](CO_2)[/math] and water [math](H_2O)[/math]
  4. glucose [math](C_6H_12O_6)[/math] and oxygen [math](O_2)[/math]
Grade 8 Biochemical Pathways
Which statement 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 7 Biochemical Pathways
In which process do producers use carbon dioxide, water, and sunlight to produce oxygen and glucose?
  1. nitrogen cycle
  2. photosynthesis
  3. precipitation
  4. water cycle
Grade 10 Macromolecules
Amino acid sequence determines a protein's shape.
  1. True
  2. False
Grade 8 Biochemical Pathways
Which chemical process happens in cells to release energy?
  1. respiration
  2. photosynthesis
  3. breathing
  4. exercise
Grade 8 Biochemical Pathways
What process produces carbon dioxide?
  1. photosynthesis
  2. replication
  3. mutation
  4. respiration
Grade 7 Biochemical Pathways
Plants use sunlight to make food in a process called                .
  1. respiration
  2. photosynthesis
  3. fermentation
  4. mitosis
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