Physiology and Biochemistry-Respiration [IFS (Forest Services) Botany]: Questions 1 - 5 of 5

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Question 1

Appeared in Year: 2014

Describe in Detail Subjective▾

Describe bottom up regulation of plant respiration. (Paper 2)

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Explanation

Bottom up Regulation of Plant Respiration

  • The breakdown of the C-C bonds of complex compounds thorough oxidation within the cells, leading to release of considerable amount of energy is called respiration. The compounds that are oxidised during this process are known as respiration substance.
  • During oxidation within a cell, all the energy contained i…

… (452 more words, 10 figures) …

Question 2

Appeared in Year: 2015

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“Tricarboxylic acid cycle is an amphibolic process.” Explain. (Paper II)

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Explanation

Tricarboxylic Acid an Amphibolic Process

  • Any biochemical pathway which involves both metabolic processes catabolism and anabolism is known as amphibolic pathways.
  • Tricarboxylic acid cycle, citric acid cycle or kerbs cycle is and amphibolic process.
  • As in all eukaryotic cell and many bacteria under aerobic condition oxidation of organ fuels are convert…

… (141 more words, 10 figures) …

Question 3

Appeared in Year: 2020 (IAS)

Describe in Detail Subjective▾

Describe the following in about 150 words each:

Cyanide-resistant respiration in plants.

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Explanation

The presence of cyanides, which impede the action of cytochrome oxidase, prevents electron flow in the typical mitochondrial electron transport chain (in both animals and plants) during aerobic respiration. As a result, this form of respiration is known as cyanide sensitive respiration. Plant mitochondria, on the other hand, vary from animal mitoch…

… (378 more words, 17 figures) …

Question 4

Appeared in Year: 2019 (IAS)

Describe in Detail Subjective▾

Write explanatory notes with examples on the following:

Photorespiration

(Paper 2)

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Explanation

At midday, when temperature and concentration is both high, the affinity of RuBP carboxylase for increases while its affinity for falls. Consequently, it transforms RuBP into PGA and a 2-carbon molecule (phosphoglycolate) . The phosphoglycolate is promptly transforme…

… (174 more words, 11 figures) …

Question 5

Appeared in Year: 2019 (IAS)

Describe in Detail Subjective▾

Write explanatory notes with examples on the following:

Difference between aerobic and anaerobic respiration as well as fermentation processes (Paper 2)

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Explanation

Aerobic Respiration: There are two forms of cellular respiration: aerobic and anaerobic. Aerobic meaning “involving air.” Therefore, aerobic respiration is the process of cellular respiration that uses oxygen to convert food into energy. This form of respiration is prevalent in the majority of plants and animals, such as humans, birds, and other ma…

… (607 more words) …