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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Botany
Chapter
Mineral Nutrition

NTA Abhyas 2020 · Botany · Mineral Nutrition

The enzyme nitrogenase is highly sensitive to the molecular oxygen...

The enzyme nitrogenase is highly sensitive to the molecular oxygen as it requires anaerobic condition. In nodule anaerobic condition is provided by&

Options

  1. ANod factor
  2. Bbacteroids
  3. CLeghaemoglobin
  4. DAuxin

Correct answer

C. Leghaemoglobin

Step-by-step solution

Leghaemoglobin functions as oxygen scavenger and has high affinity for oxygen. It is synthesized by host cell and surrounds the bacteroid present in root nodule. It takes the oxygen, thereby protecting the enzyme nitrogenase from oxidation.
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