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Question: Answered & Verified by Expert
Leghaemoglobin helps in
BiologyMineral NutritionAIIMSAIIMS 2007
Options:
  • A imparting colour to floral petals
  • B protecting nitrogenase from \(\mathrm{O}_2\)
  • C destroying bacteria
  • D transport of food in plants.
Solution:
2583 Upvotes Verified Answer
The correct answer is: protecting nitrogenase from \(\mathrm{O}_2\)
Leghaemoglobin is a pinkish pigment present inside the root nodules of nitrogen fixing plants like legumes. It is an oxygen scavenger and is related to blood pigment haemoglobin. It protects nitrogen fixing enzyme nitrogenase from oxygen. The most important bacteria present inside the nodules is Rhizobium.

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