Physiology and Biochemistry-Photosynthesis [IAS (Admin.) Mains Botany]: Questions 1 - 4 of 4

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Question 1

Appeared in Year: 2013 (IFS)

Write in Short Short Answer▾

Write short notes on each of the following: Phytochrome

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Question 2

Appeared in Year: 2020

Describe in Detail Subjective▾

Carboxylation and oxygenation compete to decrease the efficiency of photosynthesis. Discuss.

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Explanation

Carboxylation

  • It brings about assimilation of .
  • Oxygen is liberated.
  • It is a photosynthesizing anabolic process.
  • It conserves energy.
  • Carboxylation takes place within chloroplasts.
  • There is just one sort of organelle involved. They′re called chloroplasts.
  • It benefits from high concentrations.
  • The…

… (143 more equations, 7 figures) …

Question 3

Appeared in Year: 2022 (IFS)

Describe in Detail Subjective▾

How is ATP synthesized in plants? Discuss the role of ATP in photosynthesis. (Paper 2)

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Explanation

Define Binding Change Mechanism of Paul Boyer

The ATP Synthase in plants produces ATP during photosynthesis. Chemiosmosis is the process through which ATP is synthesized. Across the thylakoid membrane, a proton gradient is formed. Protons accumulate in the thylakoid lumen rather than the intramembranous region of the mitochondria.

The following steps…

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Question 4

Appeared in Year: 2020 (IFS)

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Explain the Z-scheme of light reaction of photosynthesis. (Paper-2)

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Explanation

Light Dependent Reaction-Z Scheme - Study Solutions

The Z-scheme depicts the light reactions of photosynthesis, specifically the flux of electrons in the electron transport chain (ETC) within the thylakoid membranes of chloroplasts. It is termed the Z-scheme because, when plotted against their redox potentials, the energy levels of the electron carr…

… (342 more words, 3 figures) …