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14 Questions

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Photosynthesis: Function and Process

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Questions and Answers

What is the main function of photosynthesis?

To release oxygen into the atmosphere

To break down glucose into carbon dioxide

To produce energy for cellular respiration

To convert light energy into chemical energy (correct)

Which of the following are the reactants of photosynthesis?

Water and carbon dioxide (correct)

Chlorophyll and sunlight

Stoma and mesophyll cells

Glucose and oxygen

Where does photosynthesis mainly occur in a plant?

Roots

Stems

Flowers

Leaves (correct)

What is the primary function of stomata in photosynthesis?

To regulate the exchange of gases Signup and view all the answers

Which organelle is directly involved in photosynthesis?

Chloroplast Signup and view all the answers

What is the main product of photosynthesis?

Glucose Signup and view all the answers

What is the function of spongy mesophyll in a leaf?

To facilitate gas exchange with the atmosphere Signup and view all the answers

Why are plants green in color?

Plants reflect green light and absorb other wavelengths Signup and view all the answers

What causes the leaves to change colors during the fall season?

Decrease in chlorophyll pigments revealing other pigments Signup and view all the answers

What is the process that involves the gain of electrons by a substance?

Reduction reaction Signup and view all the answers

What is the ultimate source of energy for all life on Earth?

Sunlight Signup and view all the answers

Which compound forms the structural basis of ATP (adenosine triphosphate)?

Adenine Signup and view all the answers

What happens when the last phosphate group is broken from ATP (adenosine triphosphate)?

Energy is released for cells to use Signup and view all the answers

Which part of photosynthesis produces energy from solar power in the form of ATP and NADPH?

Light reaction or light-dependent reaction Signup and view all the answers