Biology (Photosynthesis)

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1) What is the function of the enzyme phosphoenolpyruvate carboxylase in photosynthesis?

A) To absorb light energy

B) To fix carbon dioxide

C) To produce glucose

D) To release oxygen

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2) What is the role of the pigment phycobilin in photosynthesis?

A) Absorbing light energy

B) Breaking down glucose

C) Releasing oxygen

D) Storing carbon dioxide

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3) What is the primary function of the midrib in a leaf during photosynthesis?

A) To absorb light energy

B) To produce glucose

C) To store carbon dioxide

D) To release oxygen

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4) What is the purpose of the CAM pathway in photosynthesis?

A) To produce glucose

B) To produce oxygen

C) To conserve water

D) To produce carbon dioxide

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5) What is the function of the enzyme PEP carboxylase in photosynthesis?

A) To absorb light energy

B) To fix carbon dioxide

C) To produce glucose

D) To release oxygen

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6) What is the role of the inner membrane of the chloroplast in photosynthesis?

A) To absorb light energy

B) To produce glucose

C) To store carbon dioxide

D) To release oxygen

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7) What is the primary function of the outer membrane of the chloroplast in photosynthesis?

A) To absorb light energy

B) To produce glucose

C) To store carbon dioxide

D) To release oxygen

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8) What is the role of the grana in photosynthesis?

A) To absorb light energy

B) To produce glucose

C) To store carbon dioxide

D) To release oxygen

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9) What is the function of the enzyme ATP synthase in photosynthesis?

A) To absorb light energy

B) To fix carbon dioxide

C) To produce glucose

D) To release oxygen

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10) What is the role of NADPH in photosynthesis?

A) To absorb light energy

B) To transport electrons

C) To produce glucose

D) To release oxygen

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11) What is the primary function of the stroma in photosynthesis?

A) To absorb light energy

B) To produce glucose

C) To store carbon dioxide

D) To release oxygen

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12) What is the role of the thylakoid space in photosynthesis?

A) To absorb light energy

B) To produce glucose

C) To store carbon dioxide

D) To release oxygen

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13) What is the function of the enzyme RuBisCO in photosynthesis?

A) To absorb light energy

B) To fix carbon dioxide

C) To produce glucose

D) To release oxygen

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14) What is the role of ATP in photosynthesis?

A) To absorb light energy

B) To transport electrons

C) To produce glucose

D) To release oxygen

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15) What is the purpose of the thylakoid membranes in photosynthesis?

A) To absorb light energy

B) To produce glucose

C) To store carbon dioxide

D) To release oxygen

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16) What is the primary function of the electron transport chain in photosynthesis?

A) To produce glucose

B) To produce oxygen

C) To produce carbon dioxide

D) To produce water

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17) What is the role of NADP+ in photosynthesis?

A) To absorb light energy

B) To transport electrons

C) To produce glucose

D) To release oxygen

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18) Which of the following is not required for photosynthesis?

A) Water

B) Light

C) Carbon dioxide

D) Oxygen

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19) What is the function of the Calvin cycle in photosynthesis?

A) To produce glucose

B) To produce oxygen

C) To produce carbon dioxide

D) To produce water

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20) What is the purpose of the light-dependent reactions in photosynthesis?

A) To produce glucose

B) To produce oxygen

C) To produce carbon dioxide

D) To produce water

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21) What is the overall equation for photosynthesis?

A) 6CO2 + 6H2O -> C6H12O6 + 6O2

B) C6H12O6 + 6O2 -> 6CO2 + 6H2O

C) 6O2 + 6H2O -> C6H12O6 + 6CO2

D) C6H12O6 + 6CO2 -> 6O2 + 6H2O

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22) What is the function of stomata in photosynthesis?

A) Absorbing light energy

B) Releasing oxygen

C) Taking in carbon dioxide

D) Transporting glucose

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23) What is the role of chlorophyll in photosynthesis?

A) Absorbing light energy

B) Breaking down glucose

C) Releasing oxygen

D) Storing carbon dioxide

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24) Which of the following is not a product of photosynthesis?

A) Oxygen

B) Glucose

C) Water

D) Carbon dioxide

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25) What gas is released during photosynthesis?

A) Carbon dioxide

B) Oxygen

C) Nitrogen

D) Methane

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26) What is the primary source of energy for photosynthesis?

A) Light

B) Water

C) Carbon dioxide

D) Oxygen

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27) What is the first stage of photosynthesis called?

A) Light-dependent reactions

B) Calvin cycle

C) Electron transport chain

D) Krebs cycle

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28) Where does photosynthesis occur in plants?

A) Roots

B) Stems

C) Leaves

D) Flowers

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29) What is the main pigment involved in photosynthesis?

A) Chlorophyll

B) Carotene

C) Phycobilin

D) Anthocyanin

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Biology (Photosynthesis)