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
EditQuestion 2
Appeared in Year: 2020
Describe in Detail Subjective▾
Carboxylation and oxygenation compete to decrease the efficiency of photosynthesis. Discuss.
EditExplanation
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)
EditExplanation
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…
… (631 more words, 8 figures) …
Question 4
Appeared in Year: 2020 (IFS)
Describe in Detail Subjective▾
Explain the Z-scheme of light reaction of photosynthesis. (Paper-2)
EditExplanation
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) …