Biology Quiz

What is ATP and what does it do?

• A) Adenosine triphosphate stores small amounts of energy that are released when a P group is broken off.

• B) Adenosine triphosphate is a type of protein that builds muscle.

• C) Adenosine triphosphate is a sugar that provides energy for plants.

• D) Adenosine triphosphate is a vitamin that helps in digestion.

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What is the main purpose of the ATP cycle?

• To store and release energy for cellular processes

• To produce oxygen for respiration

• To convert glucose into energy

• To synthesize proteins directly

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Which molecule is formed when ATP loses a phosphate group?

• ADP

• AMP

• Glucose

• NADH

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What is the purpose of photosynthesis?

• To convert chemical energy into light energy

• To convert light energy into chemical potential energy (glucose) to be used as food

• To convert oxygen into carbon dioxide

• To convert water into oxygen

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What is the overall equation for photosynthesis?

• 6CO₂ + 6H₂O → C₆H₁₂O₆ + 6O₂

• 6O₂ + 6H₂O → C₆H₁₂O₆ + 6CO₂

• C₆H₁₂O₆ + 6O₂ → 6CO₂ + 6H₂O

• 6CO₂ + C₆H₁₂O₆ → 6H₂O + 6O₂

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What does chlorophyll do in photosynthesis?

• It absorbs water.

• It releases high energy electrons when struck by light.

• It produces oxygen.

• It stores glucose.

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In what wavelengths (colors) is chlorophyll most effective?

• Green to yellow

• Blue to indigo

• Orange to yellow

• Violet to ultraviolet

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What are accessory pigments and what do they do?

• Accessory pigments like carotenoids absorb light in wavelengths that chlorophyll does not.

• Accessory pigments are responsible for the green color of leaves.

• Accessory pigments only function in the absence of chlorophyll.

• Accessory pigments are used for storing energy in plants.

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What is the fluid-filled space inside a chloroplast called?

• Thylakoid

• Stroma

• Granum

• Thylakoid space

Which part of the chloroplast is a stack of thylakoids?

• Stroma

• Thylakoid space

• Granum

• Outer membrane