Enzymes and Biochemical Reactions Vocabulary Quiz

Which of the following best describes metabolism?

• The process of breathing
• All chemical processes in an organism to maintain life
• The way we digest food
• How we exercise

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NGSS.MS-LS1-7

What is a sign that a chemical reaction is occurring?

• A change in color
• A change in temperature
• The production of bubbles
• All of the above

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NGSS.MS-PS1-2

Which process is an example of a catabolic reaction?

• Building muscle
• Growing taller
• Breaking down food during digestion
• Photosynthesis in plants

Tags

NGSS.HS-LS1-7

Anabolic processes involve:

• Breaking down large molecules
• Building up larger molecules from smaller ones
• Releasing energy
• Speeding up chemical reactions

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NGSS.HS-LS1-5

NGSS.HS-LS1-6

NGSS.HS-LS2-5

What is activation energy?

• The energy released in a reaction
• The minimum energy needed to start a reaction
• The energy stored in ATP
• The energy used in photosynthesis

In the reaction 2H₂ + O₂ → 2H₂O, what are the reactants?

• H₂O
• H₂ and O₂
• H₂ only
• O₂ only

Tags

NGSS.MS-PS1-1

What is the product in the reaction of baking a cake?

• The cake batter
• The heat from the oven
• The baked cake
• The cake pan

Which of the following is an example of an endothermic process?

• Burning wood
• Melting ice
• Rusting iron
• Lighting a match

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NGSS.MS-PS1-4

NGSS.MS-PS3-4

A compost pile feels warm because:

• It's an endothermic reaction
• It's an exothermic reaction
• The sun heats it up
• Worms create friction

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NGSS.HS-LS2-3

NGSS.HS-PS3-4

What is the primary function of enzymes in the body?

• To provide energy
• To speed up chemical reactions
• To slow down chemical reactions
• To produce heat