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Biology I (BIO131) Photosynthesis Quiz

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Questions and Answers

What is the primary function of carotenes, chlorophyll a, anthocyanin, and xanthophyll in the plant cell?

Storing chemical energy for later use

Absorbing specific wavelengths of light

Protecting the plant cell from UV light (correct)

Converting solar energy to ATP and NADPH

Which pigment absorbs best in red and blue wavelengths and least in green wavelengths?

Anthocyanin

Chlorophyll a (correct)

Xanthophyll

Chlorophyll b

What is the primary function of the accessory pigments (chlorophyll b, carotenoids, xanthophylls) in photosynthesis?

Absorbing light of different wavelengths (correct)

Producing glucose in the Calvin cycle

Generating chemical energy in the form of ATP

Releasing oxygen as a byproduct

In which part of the chloroplast does the Calvin cycle occur?

Stroma Signup and view all the answers

What is the primary role of RuBisCo in photosynthesis?

Fixing carbon from the air Signup and view all the answers

What is the main purpose of photosynthesis in plants?

To convert light energy into chemical energy Signup and view all the answers

Which part of the chloroplast is responsible for the light-dependent reactions of photosynthesis?

Thylakoid membrane Signup and view all the answers

What role do carotenoids play in photosynthesis?

Protect chlorophyll from free radicals Signup and view all the answers

In the context of photosynthesis, what does oxidation refer to?

Loss of electrons Signup and view all the answers

What is the function of the ATP synthase in photosynthesis?

Generation of ATP from ADP and inorganic phosphate Signup and view all the answers