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Photosynthesis for 12 A level (End of unit review)

Study Slideshow

What is the source of oxygen gas in photosynhtesis?

Water / photolysis

What is part Z?

Granum

What is W in the diagram?

Stroma

Which structures are labelled Y in the diagram?

Ribosomes (70S)

Visible light is between ...... nm and 740nm.

Accept 380-400

Name three photosynthetic pigments.

chlorophyll a , chlorophyll b, carotenoids and xanthophyll

Whic metallic atom is found in the structure of chlorophyll a and b, inside the light absorbing poryphyrin ring?

Magnesium

Which pigment(s) is/are located inside the reaction center of photosystems?

(a pair of) chlorophyll a

According to this chromatography result, which pigment is the smallest in size?

Beta carotene

According to this chromatography result, which pigment is the largest in concentration?

Beta carotene

Which two molecules are produced by light dependent reactions and used in light independent reactions?

ATP and reduced NADP

What is produced by light dependent reactions but not used by light-independent reactions?

Oxygen

What is used in light-independent reactions but not produced by light dependent reactions?

Carbon dioxide

Name two molecules produced in non-cyclic photophosphorylation but not porduced in cyclic phosphorylation.

Reduced NADP, Oxygen

Which photosystem(s) is/are involved in cyclic phosphorylation?

PS I only

Diagram shows ETS in chloroplast. Which parts of chloroplast are labelled as X and Y?

Y-Stroma X-thylakoid space