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Biology NEET - XI: Chapter 13- Photosynthesis Part 2
A flashcard deck covering the second part of the NEET-XI Biology chapter on Photosynthesis, focusing on the light reaction, electron transport chains, and types of photosynthetic pathways.
What is the light harvesting complex made of in a photosystem?
Pigment molecules and proteins
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Key Terms
Term
Definition
What is the light harvesting complex made of in a photosystem?
Pigment molecules and proteins
What forms the antenna of the photosystem?
Light harvesting complex
What is present in the reaction centre of a photosystem?
Chlorophyll a
In which phase of photosynthesis are assimilatory powers generated?
Light reaction
What is Hill reaction in photosynthesis also called?
Light reaction
What occurs in the photophysical phase of light reaction?
Accessory pigments transfer light energy to chlorophyll a, Chlorophyll a is activated by photons
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| Term | Definition |
|---|---|
What is the light harvesting complex made of in a photosystem? | Pigment molecules and proteins |
What forms the antenna of the photosystem? | Light harvesting complex |
What is present in the reaction centre of a photosystem? | Chlorophyll a |
In which phase of photosynthesis are assimilatory powers generated? | Light reaction |
What is Hill reaction in photosynthesis also called? | Light reaction |
What occurs in the photophysical phase of light reaction? | Accessory pigments transfer light energy to chlorophyll a, Chlorophyll a is activated by photons |
What happens in the photochemical phase of light reactions? | Photolysis of water, production of assimilatory powers |
How much energy does the electron liberated from photosystem by a photon contain? | 23 kcal/mol |
How many ATP and NADPH molecules are produced in cyclic photophosphorylation? | 2 ATP and no NADPH |
What is the effect of photosynthetic poisons on cyclic photophosphorylation? | No effect |
What is the sequence of electron transport chain in cyclic photophosphorylation? | PSI, X, FeS, Fd, PQ, Cyt-b6, Cyt-f, PC, PSI |
How many ATP and NADPH molecules are produced in non-cyclic photophosphorylation? | 1 ATP, 1 NADPH |
Which is the first electron donor in non cyclic photophosphorylation? | Water |
What is the sequence of electron transport chain in non-cyclic photophosphorylation? | PSII, Phe, PQ, Cyt-b6, Cyt-f, PC, PSI, FeS, Fd |
What is also called Blackman's reaction? | Dark reaction of photosynthesis |
Which is the first stable product formed from combination of ribulose 1,5 bisphosphate with carbon dioxide? | 3-phoshoglycerate |
How many ATP and NADPH are utilized in calvin cycle? | 3 ATP and 2 NADPH |
Which algae were used by Calvin to formulate the calvin cycle? | Chlorella and Scendesmus |
C3 cycle is found in which monocots? | Wheat and rice |
What kind of inhibition is seen when oxygen reacts with RuBisCO instead of CO2? | Competitive inhibition |
Which photosynthetic pathway is found in Euphorbia? | C4 cycle |
In what manner are bundle sheath cell and mesophyll cells arranged in C4 plants? | Crown ring manner |
In what form is oxaloacetic acid transfered from mesophyll cell to bundlesheath cell in C4 plants? | Malic acid |
What is formed from the breakdown of malic acid in bundle sheath cell in C4 plants? | Pyruvic acid and CO2 |
In which type of plants is CAM pathway found? | Succulent xerophytes |