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Biochemistry Questions - All Grades

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Grade 9 Macromolecules
Glucose and fructose are examples of
  1. double sugars.
  2. disaccharides.
  3. single sugars.
  4. polysaccharides.
Grade 12 Macromolecules
All are properties of water except
  1. adhesion.
  2. cohesion.
  3. heat capacity.
  4. enzyme ability.
Grade 6 Biochemical Pathways
Sugars are broken down inside a cell, and energy is released. What is this process called?
  1. digestion
  2. cellular respiration
  3. decomposition
  4. photosynthesis
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 8 Biochemical Pathways
Plants make their own food through the process of                .
  1. gametophytes
  2. photokinesis
  3. respiration
  4. photosynthesis
Grade 3 Biochemical Pathways
Plants make their own food through a process called
  1. cooking.
  2. photosynthesis.
  3. creating.
  4. raining.
Grade 10 Macromolecules
Nucleic acids are made of
  1. sugars.
  2. fatty acids.
  3. nucleotides.
  4. amino acids.
Grade 7 Macromolecules
Which macromolecules do not dissolve in water?
  1. proteins
  2. lipids
  3. carbohydrates
  4. nucleic acids
Grade 7 Biochemical Pathways
What process occurs in a plant cell and uses light from the Sun and carbon dioxide to create energy?
  1. respiration
  2. cellular respiration
  3. photosynthesis
  4. osmosis
Grade 8 Biochemical Pathways
Which is a product of photosynthesis?
  1. carbon dioxide
  2. light energy
  3. oxygen
  4. carbon monoxide
Grade 7 Biochemical Pathways
                is used in photosynthesis to capture light energy.
  1. Water
  2. Sunlight
  3. Carbon dioxide
  4. Chlorophyll
Grade 10 Biochemical Pathways
What are the products of photosynthesis?
  1. oxygen and carbon dioxide
  2. oxygen and glucose
  3. glucose and carbon dioxide
  4. glucose and water
Grade 4 Biochemical Pathways
What process does a plant use to produce plant sugars from water, carbon dioxide, and energy from sunlight?
  1. transpiration
  2. respiration
  3. photosynthesis
  4. condensation
Grade 8 Biochemical Pathways
What are the products of respiration?
  1. water + carbon dioxide
  2. oxygen + water
  3. glucose + carbon dioxide
  4. glucose + oxygen
Grade 10 Macromolecules
This type of lipid is responsible for sending signals between cells.
  1. oil
  2. enzyme
  3. hormone
  4. starch
Grade 9 Macromolecules
The energy needed to start a chemical reaction is called the
  1. lightning.
  2. heat energy.
  3. reaction energy.
  4. activation energy.
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 5 Biochemical Pathways
Plants capture and use the energy from sunlight to help them make food through the process of
  1. reproduction.
  2. composition.
  3. photosynthesis.
  4. agriculture.
Grade 7 Biochemical Pathways
What is the goal of cellular respiration?
  1. make food
  2. use food
  3. get rid of oxygen
  4. create ATP
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