Photosynthesis Overview Quiz

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What does xylem primarily transport within a plant?

Hormones
Photosynthates
Water (correct)
Nutrients

Which pigment is specifically mentioned as absorbing light in plants?

Carotene
Chlorophyll (correct)
Anthocyanin
Xanthophyll

Which Photosystem is responsible for absorbing wavelengths from 680 to 700 nanometers?

Photosystem IV
Photosystem II (correct)
Photosystem I
Photosystem III

What is the main function of phloem in plant anatomy?

Transport food (D) Signup and view all the answers

Where do the light reactions of photosynthesis occur?

On the thylakoid membrane (C) Signup and view all the answers

What are the main products of photosynthesis?

Oxygen and glucose (B) Signup and view all the answers

Where does the light reaction of photosynthesis occur?

Thylakoid (C) Signup and view all the answers

What is the purpose of the dark reaction in photosynthesis?

To make sugar (B) Signup and view all the answers

Which part of the leaf is primarily responsible for photosynthesis?

Palisade cells (A) Signup and view all the answers

What reactants are needed for the light reaction of photosynthesis?

Water and sunlight (C) Signup and view all the answers

What is the primary function of Photosystem II in the light-dependent reactions of photosynthesis?

To excite electrons using light energy (C) Signup and view all the answers

Which molecule serves as the electron acceptor after chlorophyll A in the light-dependent reactions?

NADP⁺ (C) Signup and view all the answers

What is produced by the splitting of water in Photosystem II?

Oxygen and hydrogen ions (B) Signup and view all the answers

What is the role of the Electron Transport Chain in photosynthesis?

To transport electrons and generate ATP (A) Signup and view all the answers

Which pigment is responsible for the initial electron transfer in the light-dependent reactions?

Chlorophyll A (B) Signup and view all the answers

Where does the Calvin Cycle take place?

In the stroma (B) Signup and view all the answers

What is the primary function of ATP and NADPH in the Calvin Cycle?

To convert CO₂ into sugar (D) Signup and view all the answers

How many turns of the Calvin Cycle are required to synthesize one molecule of glucose?

6 turns (B) Signup and view all the answers

What is the primary function of the Calvin cycle?

To convert carbon dioxide into glucose (A) Signup and view all the answers

What occurs during the Carbon Fixation step of the Calvin Cycle?

CO₂ is combined with a 5-carbon molecule to form a 6-carbon molecule (B) Signup and view all the answers

Which molecule combines with carbon dioxide at the start of the Calvin cycle?

RuBP (C) Signup and view all the answers

Which molecule is formed through the Reduction step of the Calvin Cycle from PGA?

G3P (C) Signup and view all the answers

What are the 3-carbon molecules produced during the Calvin cycle called?

G3P (C) Signup and view all the answers

Where does the Calvin cycle occur within the plant cell?

Stroma of the chloroplast (C) Signup and view all the answers

Which energy sources are used to convert 3-carbon molecules into glucose during the Calvin cycle?

ATP and NADPH (B) Signup and view all the answers

Photosynthesis

The process where autotrophs use sunlight to create sugar and oxygen from carbon dioxide and water.

Light Reaction

The stage of photosynthesis where sunlight is used to produce ATP (energy) and oxygen.